JP2004041260A - Soft interdental cleaning implement - Google Patents

Soft interdental cleaning implement Download PDF

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JP2004041260A
JP2004041260A JP2002199259A JP2002199259A JP2004041260A JP 2004041260 A JP2004041260 A JP 2004041260A JP 2002199259 A JP2002199259 A JP 2002199259A JP 2002199259 A JP2002199259 A JP 2002199259A JP 2004041260 A JP2004041260 A JP 2004041260A
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interdental
sponge
cleaning
shape
interdental cleaning
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Atsushi Takahashi
高橋　淳
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Priority to JP2002199259A priority Critical patent/JP2004041260A/en
Priority to PCT/JP2003/008640 priority patent/WO2004004515A1/en
Priority to AU2003281267A priority patent/AU2003281267A1/en
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/005—Arrangements of the bristles in the brush body where the brushing material is not made of bristles, e.g. sponge, rubber or paper
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A46B9/045—Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C15/00—Devices for cleaning between the teeth
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures
    • A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an interdental cleaning auxiliary tool with which an interdental cleaning implement is easily inserted into an embrasure for cleaning an oral cavity at an interdental part by using a oral cavity cleaning auxiliary tool without damaging a gum by an end of a cleaning brush part and without generating a pain or unnatural feeling simultaneously, the intredental cleaning tool is adjusted to the intredental part regulated in an inserting direction such as a labyrinth having a complicated tooth root shape without resistance, a tooth recess part is left unbrushed, a user feels comfortable during intredental cleaning work, and the interdental cleaning imprement is hardly broken. <P>SOLUTION: An interdental cleaning sponge obtained by sticking or welding a sponge (continuous porous body)consisting of natural cellulose, natural rubber, synthetic rubber or synthetic resin which has high compressibility receiving property and of various kinds of shapes to a periphery of an end of a shaft part such as resin, metal having proper elasticity, shape restoration property and flexibility is connected to a movement axis of an electric interdental cleaning implement or a holding part of an interdental cleaning implement for the hand. <P>COPYRIGHT: (C)2004,JPO

Description

【特許請求の範囲】
【請求項１】特願２０００−３８０６８６、特願２００１−２３０２０７の様なスライド運動、回転運動、あるいは回転スライド運動を発生する電動歯間清掃器具の運動軸、あるいは手用歯間清掃器具に接続し歯間部の歯面、歯肉および歯肉溝を清掃する歯間ブラシであって、
前記歯間ブラシの軸部の断面形状をテーパー状、逆テーパー状、あるいは細部と太部を設けることによって任意の部位をより応力変形の高い形状にした適度な弾性と形状復元性および可撓性を併せ持つ樹脂や部分的に焼きいれあるいは焼き生しすることによって弾力性を発揮する部位を任意に調節した金属などで構成することによって、
頬や舌あるいは口唇などで、手用歯間清掃器具や電動歯間清掃器具の口腔挿入方向が解剖学的制約を受け、歯間清掃部の軸方向と、鼓形歯間空隙の頬舌的貫通方向を一致させることが困難な場合も、頬側歯肉側鼓形歯間空隙、あるいは舌側（口蓋側）歯肉側鼓形歯間空隙に位置させて、頬舌方向に軽く圧入すれば、適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部が適度な弾性をもって先端部分が変形しガイドの役目をすることによって、容易に挿入を可能となり、
さらに、歯間部に挿入後、歯間清掃部をスライド運動、回転運動あるいは回転スライド運動させると、複雑な歯根形状を有する迷路のような歯間部にも挿入するだけで、軸部が、鼓形歯間空隙の複雑な解剖学的形態に応じて適合変形することによって、過不足なく清掃部表面を歯間部の歯面、歯肉および歯肉溝に圧接し、表面の微細な凹凸が同部の歯垢を除去清掃するとともに、形状復元性と弾性を有する歯間清掃部および軸部の材質によって変形破折を防止したことを特徴とする歯間清掃器具。
【請求項２】請求項 １ に記載の歯冠清掃器具の軸部の先端部を包み込むように、先端が滑らかな丸みを持った円柱あるいは多角柱形状の被圧縮性の高い天然繊維素、合成繊維、前記繊維で構成された不織布、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（特殊連続多孔体）を、接着あるいは溶着した歯間清掃部と、
　を含み、
前記、歯間清掃部を歯間部に挿入する場合、軸先端部を被覆する歯間清掃部が、歯間部に挿入する際に辺縁および乳頭歯肉を傷つけることを防止し、
頬や舌あるいは口唇などによって、手用歯間清掃器具や電動歯間清掃器具の口腔挿入方向が解剖学的制約を受け、歯間清掃部の軸方向と、鼓形歯間空隙の頬舌的貫通方向を一致させることが困難な場合も、滑らかな丸みを持った先端部を、頬側歯肉側鼓形歯間空隙、あるいは舌側（口蓋側）歯肉側鼓形歯間空隙に位置させて、頬舌方向に軽く圧入すれば、適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部と歯間清掃スポンジ部が適度な弾性をもって変形適合することによって、容易に挿入を可能とし、
さらに、歯間部に挿入後、歯間清掃部をスライド運動、回転運動あるいは回転スライド運動させると、複雑な歯根形状を有する迷路のような歯間部にも挿入するだけで、軸部と歯間清掃部が、鼓形歯間空隙の複雑な解剖学的形態に応じて適合変形することによって、過不足なく清掃部表面を歯間部の歯面、歯肉および歯肉溝に圧接し、表面の微細な凹凸が同部の歯垢を除去清掃するとともに、形状復元性と弾性を有する歯間清掃部および軸部の材質によって変形破折を防止したことを特徴とする歯間清掃器具。
【請求項３】請求項１及び請求項２に加えて、請求項１に記載の手用歯間清掃器具の保持部、あるいはスライド運動する電動器具のスライド軸に勘合した鞘状のジョイント部と、
前記、ジョイント部の鞘に勘合し、軸回転方向に左右０度から左右４５度回転自在に装着した適度な弾性と形状復元性および可撓性を併せ持つ軸部と、
その軸部先端を包み込むように、長軸断面形状を、歯間乳頭退縮による鼓形歯間空隙の状況に適合した、頂点を両隣在歯の接触点とし、底辺は両端を隣接面歯周ポケット底とし、乳頭歯肉の豊隆に適合するように弓状に窪んだ三角柱、または、先端部から後端部にかけテーパー状の三角錐の外形になるように比較的軟質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で成型し、その三角柱の長軸中心から長軸に平行な三辺に向けて放射状（矢尻状）に配置した比較的硬質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で構成した歯間清掃スポンジ部か、
前記、歯間清掃スポンジの厚みを０．１ミリから２ミリの板状のピースとした歯間清掃フィン中心部を同一角度で連続的に数珠状に配列し、各フィンを連ねた外形が三角柱、または、先端部から後端部にかけテーパー状の三角錐の外形になる歯間清掃スポンジ部と、
を含み、
前記、歯間清掃スポンジ部を装着した手用歯間清掃器具および電動歯間器具を鼓形歯間空隙に向けて任意の方向から挿入するだけで、挿入方向にかかわらず歯牙接触点を頂点とし、隣接歯の近遠心遊離歯肉を底辺とする二等辺三角形の外形を呈する鼓形歯間空隙に適合するように自動的に回転して歯間清掃スポンジ部を挿入可能とし、軸中心から長軸に平行な三辺に向けて放射状（矢尻状）に配置した比較的硬質な天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）が隣接面歯周ポケット底内部の清掃を可能としたことを特徴とする歯間清掃器具。
【請求項４】請求項１及び請求項２に加えて、請求項１に記載の清掃スポンジの長軸面に、長軸方向に螺旋状（螺子状）の溝を形成し、軸部を回転運動させることによって意図的に歯垢を頬側あるいは舌側の一定方向に排出し、電動歯間清掃器具軸部の回転運動方向を随時変換することによって、螺子状の溝は、その推進力により狭窄した鼓形歯間空隙に対して歯間清掃スポンジの侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジを引く抜く手助けとなる歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。
【請求項５】請求項１及び請求項２に加えて、請求項１に記載の清掃スポンジの長軸断面形状を、星形（ヒトデ形）、歯車形、あるいは星形（ヒトデ形）、歯車形の突起部頂点を軸回転方向に対して一定に渦巻き状に回転変形させた形状になるように、軸長軸方向に対して平行か、あるいは多重螺旋状に複数の溝を形成する事によって、軸の回転で歯垢を掻き出すとともに、多重螺旋（多重螺子状）の推進力により狭窄した鼓形歯間空隙に対して歯間清掃スポンジ部の侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジ部を引く抜く手助けとなる歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。
【請求項６】請求項１及び請求項２に加えて、請求項１に記載の清掃スポンジの長軸断面形状を、星形（ヒトデ形）、歯車形、あるいは星形（ヒトデ形）、歯車形の突起部頂点を軸回転方向に対して一定に回転変形させた断面形状の厚さ０．１ミリから２ミリの被圧縮性の高い被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）を、各星形（ヒトデ形）、歯車形の突起部頂点が近接するそれぞれのピースでランダムにオフセットするか、あるいは、軸に対して一定角度で連続的に変異（軸方向に対して多重螺旋の溝を形成）するピースを、軸部に数珠状に接着あるいは溶着した歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。
【請求項７】請求項１、請求項２および請求項５に加えて、請求項１および請求項４に記載の各種断面形状のスポンジ部表面に、軸方向に対して直角方向に複数の溝を形成するか、外周の形状が多角形あるいは円形のカップ型のピースを軸部に数珠状に均等配置し、軸方向にスライド運動することによって歯垢を、溝の内部あるいはカップ部分の内面に歯垢を捕らえ、さらに頬側あるいは舌側に排出する歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。
【請求項８】請求項１に加えて、請求項２から請求項５に記載の歯間清掃スポンジ部の先端部、中央部、後端部でおのおのの同一の被圧縮性、あるいは異なった被圧縮性を有するように被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）を移行的にあるいは部位別に多重成型し、請求項５および請求項６に記載の清掃スポンジ部では、先端のピースと後端のピースを中央のピースに比較してより硬質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で構成することによって、歯間挿入時に、頬側、舌側あるいは両側に貫通突出したより硬質なスポンジの反発抵抗により、手指の感覚で清掃スポンジ部が歯間部に的確に挿入されていることを感じ取ることができるだけでなく、軟質なピースは歯根陥窮部によく適合して歯垢除去能率を高めたことを特徴とする歯間清掃スポンジ部を備えた歯間清掃器具。
【請求項９】請求項１に加えて、請求項１に記載の軸部を構成する樹脂や金属などの表面をカバーした樹脂の断面形状を円形、多角形、星形とするか、あるいは縦状断面の形状を波形、凸凹形とし、さらに先端小口面の形状を平面、半球形、あるいは多面体とすることによって、前記軸部に単一の長さのナイロンなどのバイルを静電植毛加工したブラシ部の形状を、自在に再現したことを特徴とする歯間清掃器具。
【請求項１０】請求項１及び請求項 ９ に加えて、請求項１及び請求項 ９ に記載の軸部にナイロンなどのバイルを静電植毛加工する際に被植毛部位をあらかじめマスキングして静電植毛加工することによってブラシ部の植毛形状を、自在に再現したことを特徴とする歯間清掃器具。
【０００１】
【発明の属する技術野】
歯牙表面と歯周組織に付着するプラークは虫歯と歯槽膿漏の原因である細菌の温床となり歯牙喪失の二大原因である。本発明は、特に歯周病の原因となる歯間部のプラークコントロールに最適な口腔清掃用具に関するものである。
【０００２】
【従来の技術】
一般に、歯牙喪失の二大疾患は、カリエスと歯周病であるが、特に歯周病に罹患して歯肉退縮を起こしているケースでは、一般的な歯ブラシによる歯間部のプラークコントロールには限界があり、そのため歯間ブラシなどの口腔清掃補助具が広く使用されている。その代表的な清掃補助器具歯間ブラシは金属よじり線に同心円状にナイロンブラシを巻きつけて配列したものであるが、歯間部挿入時に先端部が歯肉に当たると歯肉を傷つけることも多く、歯牙に先端部の金属があたると違和感を発現し、反復使用によって金属よじり線は金属疲労によって清掃作業中に破損する危険性が高く、日常のオーラルケアに定着させるためには数々の問題があった。さらに、挿入方向に適合す様に清掃ブラシ部分にプレカーブを付与すると、金属線自体に形状復元性がないために歯根陥窮部位などに磨き残し部位が発生する危険性があった。
【０００３】
【発明が解決しようとする課題】
前述の如く、歯間部のプラークコントロールの有用性は高い。しかるに、口腔清掃補助具を用いて歯間部の口腔清掃のために鼓形歯間空隙に歯間清掃器具を挿入する場合に、清掃部先端で歯肉を傷つけることなく、同時に疼痛や違和感を発現することなく容易に挿入可能であるとともに、複雑な歯根形状を有する迷路のような挿入方向に規制のある歯間部にも抵抗なく挿入するだけで適合し、歯根陥窮部にも磨きのこしがなく、さらに、上記清掃作業中に快適で破損することが少ない歯間清掃補助具を提供することである。
【０００４】
【課題を解決するための手段および効果】
本発明は、上記目的を達成するためになされたものであり、第一の発明は、歯間ブラシの軸部の断面形状をテーパー状、逆テーパー状、あるいは細部と太部を設けることによって任意の部位をより応力変形の高い形状にした適度な弾性と形状復元性および可撓性を併せ持つ樹脂や部分的に焼きいれあるいは焼きなましすることによって弾力性を発揮する部位を任意に調節した金属などで構成することによって、特願２０００−３８０６８６、特願２００１−２３０２０７の様なスライド運動、回転運動、あるいは回転スライド運動を発生する電動歯間清掃器具の運動軸、あるいは手用歯間清掃器具に接続し歯間部の歯面、 歯肉および歯肉溝を清掃する歯間ブラシである。
このような軸部を持つ歯間ブラシによって頬や舌あるいは口唇などで、手用歯間清掃器具や電動歯間清掃器具の口腔挿入方向が解剖学的制約を受け、歯間清掃部の軸方向と、鼓形歯間空隙の頬舌的貫通方向を一致させることが困難な場合も、頬側歯肉側鼓形歯間空隙、あるいは舌側（口蓋側）歯肉側鼓形歯間空隙に位置させて、頬舌方向に軽く圧入すれば、適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部が適度な弾性をもって先端部分が変形しガイドの役目をすることによって、容易に挿入を可能となり、
さらに、歯間部に挿入後、歯間清掃部をスライド運動、回転運動あるいは回転スライド運動させると、複雑な歯根形状を有する迷路のような歯間部にも挿入するだけで、軸部が、鼓形歯間空隙の複雑な解剖学的形態に応じて適合変形することによって、過不足なく清掃部表面を歯間部の歯面、歯肉および歯肉溝に圧接し、表面の微細な凹凸が同部の歯垢を除去清掃するとともに、形状復元性と弾性を有する歯間清掃部および軸部の材質によって変形破折を防止しすることが可能となる。
第二の発明は、第一の発明に記載の歯冠清掃器具の軸部の先端部を包み込むように、先端が滑らかな丸みを持った円柱あるいは多角柱形状の被圧縮性の高い天然繊維素、合成繊維、前記繊維で構成された不織布、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（特殊連続多孔体）を、接着あるいは溶着した歯間ブラシを、特願２０００−３８０６８６、特願２００１−２３０２０７の様なスライド運動、回転運動あるいは回転スライド運動を発生する電動歯間清掃器具の運動軸、あるいは手用歯間清掃器具の保持部に接続した歯間清掃スポンジを備える歯間清掃器具である。この弾力性を有する被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）によって、清掃スポンジ部を歯間部に挿入するだけでスポンジ表面各種形状は歯面、歯肉および歯肉溝に圧接され、天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）の表面の微細な凹凸によって同部の清掃が可能となる。
【０００５】
また、軸先端部を弾性のある被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で被覆してあるので、歯間部に挿入する際に辺縁および乳頭歯肉を傷つけることを防止し、頬舌的に鼓形歯間空隙に対する軸挿入方向に制約がある場合も、適度な弾性と形状復元性および可撓性を併せ持つ軸部とともに歯間清掃部の意図的に設計されたより弾性（変形性）の高い部位が適度な弾性をもって変形するので容易に歯間清掃部への挿入が可能となり、さらに、複雑な歯根形状を有する迷路のような歯間部にも抵抗なく挿入するだけで歯間清掃部が被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）の弾力性によって変形適合するので歯根陥窮部まで清掃可能である。加えて、形状復元性と弾性を有する歯間清掃部および軸部の材質によって従来の歯間ブラシのように金属疲労などによる変形破折を防止することが可能となる。
【０００６】
この電動歯間清掃器具によって歯肉の炎症による腫脹があるケースや直視不可能な臼歯部、特に最後臼歯遠心部や歯間部など各種清掃ブラシや合成樹脂などで成型した清掃チップを装着した口腔清掃部の挿入方向に制約が生じる場合においても、無理のない任意の方向から歯間清掃スポンジの滑らかな丸みを持った先端部を、頬側歯肉側鼓形歯間空隙、あるいは舌側（口蓋側）歯肉側鼓形歯間空隙に位置させて、頬舌方向に軽く圧入し、目的部位に到達させ、保持するだけでプラークコントロールが可能となるので正確な歯面清掃とともに歯間乳頭歯肉の損傷防止に役立つばかりか、歯間清掃スポンジや清掃チップ自体、あるいは口腔清掃部分と本体接合部分が不必要な圧力を受けることが無くなるので破損を防止し耐久性を向上させることができる。
【０００７】
第三の発明は、一般的に歯間乳頭退縮の大きいケースでは、鼓形歯間空隙の形状は頂点を両隣在歯の接触点とし、底辺をその両端を隣接面歯周ポケット底とする三角形の外形となるので、この形状に相似する断面形態の中心部から放射状に鼓形歯間空隙形状の三角形の頂点に向けて矢尻状に配置した比較的硬質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で構成した歯間清掃スポンジ部か、あるいは、その歯間清掃スポンジを厚み０．１ミリから２ミリの板状のピースとした歯間清掃フィンの中心部を同一角度で連続的に数珠状に軸通した歯間清掃スポンジ部を適度な弾性と形状復元性および可撓性を併せ持つ軸部に接着あるいは溶着し、その軸部と鞘状に勘合し軸方向に左右０度から左右４５度回転自在に、手用歯間清掃器具の保持部、あるいはスライド運動する電動器具のスライド軸に勘合した歯間清掃スポンジ部を備える歯間清掃器具である。
【０００８】
この歯間清掃器具によって、手用歯間清掃器具の保持部および電動器具を任意の挿入角度と方向から歯間部に挿入するだけで、歯牙接触点を頂点として隣接歯の近遠心遊離歯肉を底辺とする二等辺三角形の鼓形歯間空隙に適合した角度に歯間清掃スポンジ部が自動的に回転適合して鼓形歯間空隙を間隙無く満たすように挿入される。この種の形状の歯間清掃スポンジでは、テーパー状に先端部から後端部にかけて板状のピースとした歯間清掃フィンの外形を移行的に大きくしてやれば、より歯間部挿入操作が容易になる。加えて、鼓形歯間空隙に密着圧入した歯間清掃フィンの被圧縮性の差異によって、比較的硬質なスポンジなどの特殊連続多孔体が隣接面歯周ポケット底部内部や両隣在歯の接触点の歯垢を清掃することを可能とする。
【０００９】
第四の発明は、第一の発明の歯間清掃スポンジ長軸面に螺旋状の溝を形成した歯間清掃スポンジを備える歯間清掃器具である。電動歯間清掃器具軸部の回転運動によって長軸面の螺旋形の溝は、歯垢を掻き出すとともに頬側あるいは舌側の一定方向へ意図的に排出することが可能とするだけではなく、電動歯間清掃器具軸部の回転運動方向を随時変換することによって、螺子状の溝は推進力を発揮するので狭窄した鼓形歯間空隙に対して歯間清掃スポンジの侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジを引く抜く手助けとなる
【００１０】
第五の発明は、第一の発明の清掃スポンジ部の長軸断面形状を、星形（ヒトデ形）、歯車形、あるいは星形（ヒトデ形）、歯車形の突起部頂点を軸回転方向に対して一定に渦巻き状に回転変形させた形状になるように、軸長軸方向に対して平行か、あるいは多重螺旋状に複数の溝を形成した歯間清掃器具である。
【００１１】
この歯間清掃器を歯間部に挿入の上回転させると、軸長軸方向に対して平行の溝を形成した形状のものでは、星形（ヒトデ形）、歯車形、あるいは星形（ヒトデ形）、歯車形の突起部頂点を軸回転方向に対して一定に渦巻き状に回転変形させた断面形状により、溝の底部に歯垢がかき集められ、多重螺旋状に複数の溝を形成する形状の物では、かき集められた歯垢は、さらに電動歯間清掃器具軸部の回転運動によって歯垢を掻き出すと同時に頬側あるいは舌側の一定方向へ意図的に排出することが可能となる。また、電動歯間清掃器具軸部の回転運動方向を随時変換することによって、第三の発明と同様に、多重螺旋状（多重螺子状）の推進力によって狭窄した鼓形歯間空隙に対して歯間清掃スポンジの侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジを引き抜く手助けとなる

【００１２】
第六の発明は、第一の発明の歯間清掃スポンジを星形（ヒトデ形）、歯車形、あるいは星形（ヒトデ形）、歯車形の突起部頂点を軸回転方向に対して一定に回転変形させた断面形状で、厚さ０．１ミリから２ミリの被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）のおのおのの同一の被圧縮性、あるいは異なった被圧縮性を有するピースを、ランダムにオフセットするか、あるいは、軸に対して一定角度で変異（軸方向に対してステップ状に複数の螺旋形の溝を形成）するよう軸部に数珠状に接着あるいは溶着したことを特徴とする歯間清掃スポンジである。
【００１３】
この歯間清掃スポンジ部を歯間部に挿入の上、保持するだけで軸回転方向に対してランダムに配列した複数の各星形（ヒトデ形）、歯車形の突起部頂点が歯垢を掻き出し、その基底部に歯垢を蓄える。また軸に対して一定角度で変異（軸方向に対してステップ状に複数の螺旋形の溝を形成）するよう配列した歯間清掃部では、電動歯間清掃器具の回転力を利用して、意図的に歯垢を頬側あるいは舌側の一定方向に排出することを可能とするだけでなく、第三、第四の発明と同様に、多重螺旋状（多重螺子状）の推進力によって狭窄した鼓形歯間空隙に対して歯間清掃スポンジの侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジを引く抜く手助けとなる。
【００１４】
第七の発明は、第一の発明および第四の発明の各種断面形状のスポンジ部表面に、軸方向に対して垂直方向に複数の溝を形成するか、外周の形状が多角形あるいは円形のカップ型で、おのおのの同一の被圧縮性、あるいは異なった被圧縮性を有するピースを軸部に数珠状に均等配置した歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具である。
【００１５】
この歯間清掃スポンジ部を、電動歯間清掃器具や手用器具を用いて軸方向にスライド運動することによって、溝の内部あるいはカップ部分の内面に歯垢を捕らえ、さらに頬側あるいは舌側に排出することが可能となる。
【００１６】
第八の発明は、第一の発明から第四の発明の歯間清掃スポンジ部を先端部、中央部、後端部で、異なった被圧縮性を有するように、天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）を移行的にあるいは部位別に多重成型したものか、第五の発明および第六の発明の先端のピース、後端のピース、中央のピースを異なった被圧縮性を有する天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で構成する歯間清掃スポンジである。
【００１７】

一例として、先端部分と後端部分を比較的硬質に、中央部分を比較的軟質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で構成すれば、歯間部挿入時に両端の比較的硬質な部位の摩擦抵抗を手指の感覚で感じ取り、鏡などを使用せずに、清掃スポンジ部が歯間部に的確に挿入されていることを確認ことができる。また、中央部の比較的軟質部位、あるいは軟質なピースは、歯根陥窮部によく適合して歯垢除去能率を高める。
【００１８】

第九の発明は、第一の発明の軸部を構成する樹脂や金属などの表面をカバーした樹脂の断面形状を円形、多角形、星形とするか、あるいは縦状断面の形状を波形、凸凹形とし、先端小口面の形状を平面、半球形、あるいは多面体とすることによって、前記軸部に単一の長さのナイロンなどのバイルを静電植毛加工したブラシ部の形状を、自在に再現したことを特徴とする歯間清掃器具である。
このような軸部の形状は、単一の長さのナイロンなどのバイルが静電植毛加工されたブラシ部の外形形状を相似形に再現することになるので過不足なくブラシを歯間部の歯面、歯肉および歯肉溝に適合圧接し、歯垢を効率よく除去清掃すると共に先端部のブラシ毛の外形も自由に設計できるので、使用時に各種外形のブラシ毛によって覆われた先端部が歯肉などを傷つけることを防止すると共に歯間部への挿入を助けるガイドとしての役目を果たす。
【００１９】

第十の発明は、第一の発明および第 ９ の発明に加えて、軸部にナイロンなどのバイルを静電植毛加工する際に被植毛部位をあらかじめマスキングして静電植毛加工したことを特徴とする歯間清掃器である。これにより植毛される部位は自由に設計することができるので、螺旋状、並列形状など回転、スライド、あるいは回転スライド運動などブラッシング方法に従って最適な植毛形状を自由に再現することは可能となる。
【００２０】

【発明の実施の形態】
以下、本発明の実施の形態を図示例と共に説明する。
図３〜図９は発明を実施する形態の一例であって、図中、図と同一の符号を付した部分は同一物を表わしており、実際に口腔内で使用する場合の基本的な構成は図１および図２示す従来のものと同様であるが、本図示例の特徴とするところは、図１示すような電動歯間清掃器具や図２に示す手用歯間ブラシの金属よじり線とナイロン繊維等で構成する清掃ブラシ部分を適度な弾性と形状復元性および可撓性のある金属あるいは樹脂などとスポンジなどの特殊連続多孔で作成した点にある。
【００２１】
図１に示す如く、電動歯間清掃器具の軸部２に接着あるいは溶着した歯間清掃スポンジ部１を歯間部に挿入して電動歯間清掃器具保持部１１をその位置で維持するだけで電動歯間清掃器具の回転運動２１、往復運動２３、あるいは回転スライド運動で歯間部の歯垢がスポンジ表面各種形状と歯面、歯肉および歯肉溝に圧接され天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）の表面の微細な凹凸によって自動的に除去清掃される。
【００２２】

また、図３に示す螺旋歯間清掃スポンジを電動歯間清掃器具が稼動状態で歯間部に挿入すると弾性のあるスポンジで被覆してある螺旋歯間清掃スポンジ先端部１ａが歯間部に挿入する際に辺縁および乳頭歯肉を傷つけることを防止し、適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部２によって、頬舌的に鼓形歯間空隙に対する軸挿入方向に制約がある場合、軸部２とともに歯間清掃スポンジ部１が適度な弾性をもって図４に示すように変形するので複雑な歯根形状を有する迷路のような歯間部にも抵抗なく挿入できるばかりか特殊連続多孔体の被圧縮弾性によって変形適合するので歯根陥窮部まで清掃可能である。
加えて、形状復元性と弾性を有する歯間清掃部および軸部の材質によって従来の歯間ブラシのように金属疲労などによる変形破折が防止される。
【００２３】
また、図７に示すような軸部２に鼓形歯間空隙頬舌的断面形状と相似形になるような硬質スポンジ部７ｂ、軟質スポンジ部７ａを組み合わせ、数珠状に連続させた連続鼓形歯間空隙形状歯間清掃スポンジ７を、回転ストッパー３で軸方向に左右０度から左右４５度自由反復運動２２可能に回転自在な軸受け鞘部４で、図２に示すような手用歯間清掃器具の手用歯間清掃器具ヘッド部３１に固定した清掃スポンジを歯間乳頭退縮部位に挿入すると、その三角形の各頂点を両隣在歯の接触点とし、両端を隣接面歯周ポケット底とする三角形の形状に適合する角度に自動的に回転して清掃スポンジが鼓形歯間空隙に導かれる。
【００２４】

さらに、連続鼓形歯間空隙形状歯間清掃スポンジ７は、軟質スポンジ部７ａと硬質スポンジ部７ｂで構成されているので、硬質スポンジ部７ｂが隣接面歯周ポケット底部内部の歯垢を除去清掃する。この機構は、軸部２をスライド運動させる電動歯間清掃器具においても同様に有用であることは言うまでもない。
【００２５】
加えて、図３に示すように先端部と後端部を硬質スポンジ２４、中央部を軟質スポンジ２５で構成する歯間清掃スポンジは、図４に示すように、狭窄した鼓形歯間空隙に挿入すると、両端の比較的硬質な硬質スポンジ２４の摩擦抵抗を手指の感覚で感じ取り、鏡などを使用することなく、清掃スポンジ部が歯間部に的確に挿入されていることを確認ことができる。また、中央部の比較的軟質な軟質スポンジ２５は、歯牙（歯根）断面陥窮部３４によく適合して歯垢除去能率を高める。
【００２６】
このように、図３、図５、図６、図７、図８、図９に示す適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部の先端部周囲に各種形態を変形させた被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）を接着あるいは溶着した歯間清掃スポンジを、スライド運動、回転運動あるいは回転スライド運動を発生する電動歯間清掃器具の運動軸や手用歯間清掃器具に装着して使用すれば、図３、図６、図９に示す形態の歯間清掃スポンジでは、歯垢を掻き出すと同時に軸部２の回転方向に従って歯垢を回転運動で頬側あるいは舌側に排出するとともに、図６、図９の歯間清掃スポンジでは、多重螺旋状（多重螺子状）、図３の歯間清掃スポンジでは、螺旋状（螺子状）の推進力によって狭窄した鼓形歯間空隙に対して歯間清掃スポンジの侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジを引く抜く手助けとなる。
【００２７】
また、図８に示す形態の歯間清掃スポンジでは、往復運動２３で掻き出した歯垢を連続カップ式歯間清掃スポンジ凹部８ｂに貯留しながら清掃可能であるので、不快感が減少させることができる。当然、図３、図５、図６、図７、図８、図９に示す歯間清掃スポンジの形状はそれぞれ単独でも清掃能力を高めるが、各種形状を組み合わせることによってさらにその能力を発揮する。
【００２８】

変形した発明においては、図１０に示すように、適度な弾性を有する被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのファイバーブラシ２６ａを、先端部ファイバーブラシ２６ｂは、滑らかな丸みを持った円柱あるいは多角柱形状の外形になるように、スライド軸に接続した適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部２に電着、接着あるいは溶着してあるので、歯間部に挿入する際に辺縁および乳頭歯肉を傷つけることを防止し、頬側歯肉側鼓形歯間空隙をガイドとして手用歯間清掃器具や電動歯間清掃器具の口腔挿入方向によって決まるファイバーブラシの軸方向を、軸部の適度な弾性と形状復元性および可撓性により変形し、鼓形歯間空隙の頬舌的貫通方向に導くと同時に、ファイバーブラシ部をスライド運動、回転運動あるいは回転スライド運動させると、複雑な歯根形状を有する迷路のような歯間部にも挿入するだけで、軸部が、鼓形歯間空隙の複雑な解剖学的形態に応じて適合変形するので、図４の歯間清掃スポンジと同様に変形することによって、過不足なくファイバーブラシ部を歯間部の歯面、歯肉および歯肉溝に圧接し、歯垢を除去清掃するとともに、形状復元性と弾性を有する軸部の材質によって変形破折を防止する。
【００２９】
さらに図 １ に示すスポンジブラシは、図１１に示すスポンジブラシのように軸を軸断面細（応力変形）部４０と太い部分に分けることによって軸断面細（応力変形）部４０はより応力変形を受けることになるので、一層外力により変形することになり、任意の設定部位でブラシ全体を変形させることが可能となる。
【００３０】
さらにこの発明を発展させれば、図１２に示すように軸縦状断面に軸断面細部３７と軸断面太部３８を設け、さらに先端部の小口面の正常を各種変更することによって、等長のナイロンバイル３９を静電植毛加工すれば、ナイロンブラシ部の外形が軸部と相似形の任意の植毛方向を持ったブラシ外形を設定することができる。加えて、図１３に示すように軸断面４１を星形、あるいは多角形などに設定することによって、やはり同様に静電植 毛加工される等長ナイロンバイル３９によって、ブラシ部の断面形状は任意に設定することができる。また、ブラシ部の植毛位置は、図１４に示すように軸部２の植毛加工以外をマスキング部３５とし、接着剤塗布部３６に静電植毛加工すれば自在にナイロンバイル植毛加工位置を設定できるので全体の植毛の流れを螺旋状、ポイント（ドット）状など自在に設定することも可能となる。
【００３１】
尚、本発明の全体の形状、軸材や被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）の材質とおよび接着あるいは溶着方法、電動歯間清掃器具のスライド運動、回転運動、あるいは回転スライド運動などのメカニズムや手用歯間清掃器具の形状は、上述の図示例にのみ限定されるものではなく、本発明の要旨を逸脱しない範囲内において種々変更を加え得ることは勿論である。
【図面の簡単な説明】
【図１】本発明の一実施例を示す被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）歯間清掃スポンジを備える電動歯間清掃器具を示す図。
【図２】本発明の一実施例を示す被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）歯間清掃スポンジを備える手用歯間清掃器具を示す図。
【図３】弾性と形状復元性および可撓性を有する軸部に螺旋歯間清掃スポンジブラシを示す図。
【図４】弾性と形状復元性および可撓性を有する軸部に螺旋歯間清掃スポンジ変形状態を示す図。
【図５】弾性と形状復元性および可撓性を有する軸部に縦翼式歯間清掃スポンジブラシを示す図。
【図６】弾性と形状復元性および可撓性を有する軸部に螺旋縦翼式歯間歯間清掃スポンジブラシを示す図。
【図７】弾性と形状復元性および可撓性を有する軸部に鼓形歯間空隙形状に硬質、軟質特殊連続多孔体を組み合わせ数珠状に連続させた歯間清掃スポンジブラシを示す図。
【図８】弾性と形状復元性および可撓性を有する軸部にカップ形状の特殊連続多孔体を数珠状に連続させた歯間清掃スポンジブラシを示す図。
【図９】弾性と形状復元性および可撓性を有する軸部にヒトデ形状の特殊連続多孔体を数珠状にランダム連続させた歯間清掃スポンジブラシを示す図。
【図１０】弾性と形状復元性および可撓性を有する軸部を備えるファイバーブラシを示す図。
【図１１】軸縦状断面に細部と太部を設けることによって応力変形する部位を設定した軸部を持つスポンジブラシを示す図。
【図１２】軸縦状断面に細部と太部を設け、各種先端部形状の軸断面にナイロンバイルを静電植毛加工したブラシ外形を示す図。
【図１３】各種軸断面とその軸断面にナイロンバイルを静電植毛加工したブラシ外形を示す図。
【図１４】軸部をマスキングすることによってナイロンバイルを螺旋状に静電植毛加工をする状況を示す図。
【符号の説明】
１、歯間清掃スポンジ
１ａ、螺旋歯間清掃スポンジ先端部
１ｂ、螺旋歯間清掃スポンジ凸部
１ｃ、螺旋歯間清掃スポンジ凹部
２、軸部
３、軸部、回転ストッパー
４、軸受け鞘部
５ａ、縦翼式歯間清掃スポンジ先端部
５ｂ、縦翼式歯間清掃スポンジ翼根部
５ｃ、縦翼式歯間清掃スポンジ翼端部
６ａ、螺旋縦翼式歯間清掃スポンジ先端部
６ｂ、螺旋縦翼式歯間清掃スポンジ翼根部
６ｃ、螺旋縦翼式歯間清掃スポンジ翼端部
７、連続鼓形歯間空隙形状歯間清掃スポンジ
７ａ、軟質スポンジ部
７ｂ、硬質スポンジ部
８、連続カップ式歯間清掃スポンジ
８ａ、連続カップ式歯間清掃スポンジ凸部
８ｂ、連続カップ式歯間清掃スポンジ凹部
９、連続ランダム配列縦翼式歯間清掃スポンジ先端部
９ａ、連続ランダム配列縦翼式歯間清掃スポン翼端部
９ｂ、連続ランダム配列縦翼式歯間清掃スポンジ翼根部
１１、電動歯間清掃器具保持部
１２、電動歯間清掃器具本体
１３、電動歯間清掃器具スイッチ部
２１、回転運動
２２、自由反復運動
２３、往復運動
２４、硬質スポンジ
２５、軟質スポンジ
２６ａ、ファイバーブラシ
２６ｂ、先端部ファイバーブラシ
３０、手用歯間清掃器具保持部
３１、手用歯間清掃器具ヘッド部

３３、歯牙（歯根）断面
３４、歯牙（歯根）断面陥窮部

３５、マスキング部

３６、接着剤塗布部

３７、軸断面細部

３８、軸断面太部

３９、ナイロンバイル

４０、軸断面細（応力変形）部

４１、軸断面

４２、先端部半球形軸断面

４３、先端部多面体軸断面 [Claims]
1. A connection between a moving shaft of an electric interdental cleaning device or a manual interdental cleaning device that generates a sliding motion, a rotating motion, or a rotating sliding motion as disclosed in Japanese Patent Application Nos. 2000-380686 and 2001-230207. Clean the tooth surface, gingiva and sulcus in the interdental regionInterdental brushAnd
The cross-sectional shape of the shaft portion of the interdental brush is tapered, reverse tapered, or by providing a thick portion with details, any portion has a shape with higher stress deformation.Resins with both moderate elasticity, shape resilience and flexibilityArbitrarily adjusted the part that exerts elasticity by partially burning or burningMetal etc.By composing,
Cheeks, tongue or lipssoDue to anatomical restrictions, the insertion direction of the manual interdental cleaning device and the electric interdental cleaning device into the mouth is anatomical, and the axial direction of the interdental cleaning portion and the buccolingual penetration direction of the interdrum space can be matched. Even in difficult cases, if it is positioned in the buccal gingival-side interdental space or the lingual (palate) gingival-side interdental space and lightly pressed in the buccolingual direction, it will have adequate elasticity and shape resilience The shaft part of resin and metal which have both flexibility and moderate elasticityThe tipDeformationBy acting as a guideAllows for easy insertionBecome,
Further, after the insertion into the interdental portion, if the interdental cleaning portion is slid, rotated or rotated and slid, the shaft portion is simply inserted into the interdental portion such as a maze having a complex root shape. By adapting and deforming according to the complex anatomical form of the interdental space, the cleaning surface is pressed against the interdental surface, gingiva and gingival sulcus without excess and deficiency. An interdental cleaning device, which removes and cleans the plaque of the portion, and prevents deformation and fracture by the material of the interdental cleaning portion and the shaft portion having shape resilience and elasticity.
(2)Claim 1 Of the crown cleaning device described inA highly compressible natural fibrous material of cylindrical or polygonal column shape with a smooth rounded tip so as to enclose the tip of the shaft,Synthetic fiber, non-woven fabric composed of the fiberA sponge (special continuous porous body) made of natural rubber, synthetic rubber, or synthetic resin, etc.
　Including
When inserting the interdental cleaning portion into the interdental portion, the interdental cleaning portion covering the shaft tip prevents the margin and papillary gum from being damaged when inserted into the interdental portion,
Due to the cheek, tongue, or lips, the insertion direction of the manual interdental cleaning device or the electric interdental cleaning device into the mouth is anatomically restricted, and the axial direction of the interdental cleaning portion and the buccolingual If it is difficult to match the penetration directions, place the smooth rounded tip in the buccal gingival-side interdental space or lingual (palate side) gingival-side interdental space. When lightly pressed in the buccolingual direction, the sponge and the interdental cleaning sponge with appropriate elasticity are deformed with appropriate elasticity and shape restoration properties and flexibility.FitAllows easy insertion,
Furthermore, if the interdental cleaning part is slid, rotated or rotated and slid after the insertion into the interdental part, the shaft part and the tooth are merely inserted into the interdental part such as a maze having a complicated root shape. The interstitial cleaning unit is adapted to deform according to the complex anatomical form of the interdental space between the hourglass and presses the surface of the cleaning unit to the tooth surface, gingiva and sulcus of the interdental part without excess and deficiency, and An interdental cleaning device characterized in that fine irregularities remove and clean plaque in the same portion, and deformation and fracture are prevented by the interdental cleaning portion and the shaft portion having shape resilience and elasticity.
3. The method according to claim 1,And claim 2In addition to the above, a holding portion of the manual interdental cleaning device according to claim 1, or a sheath-shaped joint portion fitted to a slide shaft of the electric device that slides,
A shaft portion having appropriate elasticity, shape resilience, and flexibility, which is fitted to the joint portion's sheath so as to be freely rotatable from right to left and right and left to 45 degrees in the shaft rotation direction,
In order to enclose the tip of the shaft part, the long axis cross-sectional shape is adapted to the situation of the interdrum gap due to interdental papillary retraction, the apex is the contact point of both adjacent teeth, and the bottom is both adjacent periodontal pockets A relatively compressible natural fiber that has a bottom and a triangular prism that is concave in an arc shape to fit the papillae's bulging, or a relatively soft triangular pyramid with a tapered shape from the tip to the back. Molded with sponge (continuous porous body) such as rubber, natural rubber, synthetic rubber, or synthetic resin, the triangular prism is arranged radially (arrowhead shape) from the center of the major axis to three sides parallel to the major axis. An interdental cleaning sponge part made of a sponge (continuous porous body) made of a hard compressible natural fiber, natural rubber, synthetic rubber, or synthetic resin.
The interdental cleaning fins having a plate-shaped piece with a thickness of 0.1 mm to 2 mm between the interdental cleaning sponges are arranged continuously in the shape of a bead at the same angle, and the outer shape of each fin is a triangular prism. Or, between the front end and the rear end, between the teeth cleaning sponge portion becomes a tapered triangular pyramid outer shape,
Including
Said, Simply insert the manual interdental cleaning device and the electric interdental device equipped with the interdental cleaning sponge part from any direction toward the hourglass-shaped interdental space, with the tooth contact point at the top regardless of the insertion direction, The sponge for interdental cleaning can be inserted automatically by rotating automatically to fit into the space between the interdental teeth that has the shape of an isosceles triangle with the mesial and distal free gingiva of the adjacent teeth as the base. A relatively hard sponge (continuous porous material) such as natural fiber, natural rubber, synthetic rubber, or synthetic resin arranged radially (arrow-shaped) toward three parallel sides cleans the inside of the adjacent periodontal pocket bottom. An interdental cleaning implement characterized in that the cleaning is possible.
4. The method according to claim 1,And claim 2In addition, a helical (screw-shaped) groove is formed in the long axis direction on the long axis surface of the cleaning sponge according to claim 1, and plaque is intentionally removed by rotating the shaft portion on the buccal side. Alternatively, by discharging the lingual side in a certain direction and changing the rotational direction of the electric interdental cleaning instrument shaft as needed, the screw-shaped groove can be inserted into the interdental space between the tooth-shaped interdental spaces narrowed by the propulsion force. An interdental cleaning device characterized in that it is provided with an interdental cleaning sponge portion that facilitates intrusion of the cleaning sponge and facilitates pulling out the interdental cleaning sponge by driving the electric interdental cleaning device in reverse rotation. .
(5) Claim 1And claim 2In addition to the above, the cleaning sponge according to claim 1 has a long-axis cross-sectional shape in a star shape (starfish shape), a gear shape, or a star shape (starfish shape). By forming a plurality of grooves parallel to the longitudinal axis direction or multiple spirals so as to have a shape that is constantly deformed in a spiral shape, the plaque is scraped out by rotating the shaft, and multiple The interdental cleaning sponge facilitates the penetration of the interdental cleaning sponge into the narrowed interdental space by the helical (multiple screw) propulsion, and the interdental cleaning can be easily performed by driving the electric interdental cleaning tool in reverse rotation. An interdental cleaning device comprising a sponge cleaning sponge that assists in pulling out the sponge.
6. The method according to claim 1,And claim 2In addition to the above, the cleaning sponge according to claim 1 has a long-axis cross-sectional shape in a star shape (starfish shape), a gear shape, or a star shape (starfish shape). A sponge (continuous porous body) made of natural fiber, natural rubber, synthetic rubber, or synthetic resin with a high compressibility and a high compressibility with a cross-sectional shape of 0.1 mm to 2 mm that has been uniformly rotated and deformed Can be randomly offset by each star (starfish) and gear-shaped protruding vertices close to each other, or can be continuously varied at a fixed angle to the axis (multiple spirals in the axial direction) A tooth cleaning device, comprising a tooth cleaning sponge portion in which a piece for forming a groove is adhered or welded in a bead shape to a shaft portion.
7. The method according to claim 1,, Claim 2In addition to the fifth and fifth aspects, a plurality of grooves are formed in the surface of the sponge part having various cross-sectional shapes according to the first and fourth aspects in a direction perpendicular to the axial direction, or the outer peripheral shape is polygonal or Circular cup-shaped pieces are evenly arranged in a rosary shape on the shaft, and plaque is captured by sliding movement in the axial direction, trapping plaque inside the groove or inside the cup part, and further on the buccal side or lingual side An interdental cleaning device, comprising: an interdental cleaning sponge portion to be discharged.
8. In addition to the first aspect, the front, center and rear end portions of the interdental cleaning sponge according to any one of the second to fifth aspects have the same compressibility or different compressibility. A sponge (continuous porous body) such as natural fibrous material, natural rubber, synthetic rubber, or synthetic resin, which is highly compressible so as to have compressibility, is multiplex-moulded in a transitional or site-specific manner. In the cleaning sponge section described in (1), the sponge (continuous) made of a harder and more compressible natural fiber, natural rubber, synthetic rubber, or synthetic resin is used as compared with the center piece at the front end piece and the rear end piece. The porous sponge) allows the cleaning sponge to be accurately inserted into the interdental area with the sensation of a finger due to the repulsion resistance of the harder sponge that penetrates the buccal, lingual or both sides during interdental insertion. That Flip not only can take, soft pieces between teeth with interdental cleaning sponges, characterized in that enhanced plaque removal efficiency well suited to the root Ochiikyu unit cleaning implement.
9. The method according to claim 1, further comprising:Configure the shaftResin and metalThe cross-sectional shape of the resin covering the surface of the resin is circular, polygonal, star-shaped, or the shape of the vertical cross-section is corrugated, uneven, and the shape of the front edge is flat, hemispherical, or polyhedral The interdental cleaning device characterized in that the shape of the brush portion obtained by electrostatically flocking a vial such as nylon of a single length on the shaft portion is freely reproduced.
10.Claim 1 and Claim 9 Claim 1 and Claims in addition to 9 The tooth is characterized in that the hair transplanted shape of the brush portion is freely reproduced by masking the portion to be planted in advance and electrostatically flocking the vial made of nylon or the like on the shaft described in the above section. Cleaning equipment.
[0001]
Technical field to which the invention belongs
Plaque adhering to the tooth surface and periodontal tissue is a breeding ground for bacteria that cause tooth decay and alveolar pyorrhea, and is a major cause of tooth loss. The present invention relates to an oral cleaning tool which is particularly suitable for controlling plaque in an interdental region causing periodontal disease.
[0002]
[Prior art]
Generally, the two major diseases of tooth loss are caries and periodontal disease.However, especially in cases of periodontal disease and gingival regression, plaque control of the interdental region with a common toothbrush is limited. For this reason, oral cleaning aids such as interdental brushes are widely used. A typical cleaning aid interdental brush is one in which a nylon brush is wrapped concentrically around a metal twisted wire and arranged, but if the tip hits the gingiva when inserting the interdental part, it often damages the gingiva, When exposed to the metal at the tip, it creates a sense of incongruity, and due to repeated use, the metal twisted wire is at high risk of being damaged during cleaning due to metal fatigue, and there have been many problems in establishing it in everyday oral care. . Further, if a pre-curve is given to the cleaning brush portion so as to be adapted to the insertion direction, there is a risk that unpolished portions may be generated in a root root depressed portion or the like because the metal wire itself has no shape restoring property.
[0003]
[Problems to be solved by the invention]
As described above, the usefulness of plaque control in the interdental region is high. However, when inserting an interdental cleaning device into the interdental space for cleaning the interdental region using an oral cleaning aid, pain and discomfort occur at the same time without damaging the gingiva at the tip of the cleaning unit. It can be easily inserted without having to insert it, and it can be easily inserted into the interdental area where the insertion direction is restricted, such as a maze with complicated root shape, without any resistance. In addition, an object of the present invention is to provide an interdental cleaning aid that is comfortable and less likely to be damaged during the cleaning operation.
[0004]
Means and effects for solving the problem
The present invention has been made to achieve the above object, the first invention is,The cross section of the shaft of the interdental brush is tapered, reverse-tapered, or provided with a detailed and thick section to make any part more stress-deformable, providing appropriate elasticity, shape resilience and flexibility. By using a resin having a combined property or a metal whose elasticity is obtained by arbitrarily sintering or annealing, the slidable movement and rotation as in Japanese Patent Application Nos. 2000-380686 and 2001-230207 can be achieved. The movement axis of the electric interdental cleaning device that generates the movement or the rotating slide movement, or the tooth surface of the interdental portion connected to the manual interdental cleaning device, It is an interdental brush for cleaning gingiva and gingival sulcus.
With the interdental brush having such a shaft portion, the insertion direction of the oral cavity of the manual interdental cleaning device or the electric interdental cleaning device on the cheek, tongue or lips is anatomically restricted, and the axial direction of the interdental cleaning portion is restricted. When it is difficult to make the buccolingual penetration direction of the interdental space between the hourglass and the gingival space between the gingival side or the lingual (palatal) side of the gingival side of the gingival side difficult, If it is lightly pressed in the buccolingual direction, the shaft of resin or metal, which has appropriate elasticity, shape resilience, and flexibility, has a moderate elasticity, and the tip portion is deformed to serve as a guide. Can be inserted into
Further, after the insertion into the interdental portion, if the interdental cleaning portion is slid, rotated or rotated and slid, the shaft portion is simply inserted into the interdental portion such as a maze having a complex root shape. By adapting and deforming according to the complex anatomical form of the interdental space, the cleaning surface is pressed against the interdental surface, gingiva and gingival sulcus without excess and deficiency. In addition to removing and cleaning the plaque of the portion, it is possible to prevent deformation and fracture by the material of the interdental cleaning portion and the shaft portion having shape resilience and elasticity.
The second invention is a highly compressible natural fiber having a cylindrical or polygonal column shape with a smooth rounded tip so as to wrap around the tip of the shaft of the crown cleaning device according to the first invention. , A synthetic fiber, a nonwoven fabric made of the fiber, a sponge (special continuous porous body) such as a natural rubber, a synthetic rubber, or a synthetic resin, is adhered or welded to an interdental brush.Is connected to a movement axis of an electric interdental cleaning device that generates a sliding motion, a rotating motion or a rotating sliding motion as disclosed in Japanese Patent Application Nos. 2000-380686 and 2001-230207, or a holding portion of a manual interdental cleaning device. It is a tooth cleaning tool provided with a tooth cleaning sponge. With the sponge (continuous porous body) made of natural elastic material, natural rubber, synthetic rubber, or synthetic resin, which has high elasticity and elasticity, the sponge surface can be variously shaped just by inserting the cleaning sponge into the interdental area. The sponge (continuous porous body) made of natural fiber, natural rubber, synthetic rubber, synthetic resin, or the like is pressed against the tooth surface, gingiva, and gingival sulcus, and the same portion can be cleaned.
[0005]
In addition, since the shaft tip is covered with a sponge (continuous porous body) made of elastic, highly compressible natural fibrous material, natural rubber, synthetic rubber, or synthetic resin, it can be inserted into the interdental area. Prevents injuries to the margins and papillary gums.Even if there is a restriction on the buccolingual direction of insertion of the shaft into the interdrum space, the interdental space with the appropriate elasticity, shape restoration and flexibility Cleaning departmentIntentionally designed forThe part with higher elasticity (deformability) is deformed with appropriate elasticity so that it can be easily inserted into the interdental cleaning part, and can be inserted into the interdental part such as a maze with complicated root shape without resistance. By simply doing, the interdental cleaning part deforms and adapts due to the elasticity of a sponge (continuous porous body) made of highly compressible natural fiber, natural rubber, synthetic rubber, or synthetic resin. is there. In addition, the material of the interdental cleaning portion and the shaft portion having shape resilience and elasticity makes it possible to prevent deformation and breakage due to metal fatigue and the like as in a conventional interdental brush.
[0006]
This electric interdental cleaning tool cleans the mouth with swelling due to gingival inflammation and molars that are not directly visible, especially the distal distal part of the molars and interdental parts, equipped with various cleaning brushes and cleaning tips molded with synthetic resin. Even if there is a restriction on the insertion direction of the part, the smoothly rounded tip of the interdental cleaning sponge should be inserted from any arbitrary direction into the buccal gingival side of the interdrum space or the lingual side (palate side). ) Plaque is placed in the gingival-sided interdental space, gently pressed in the buccolingual direction, allowed to reach the target site, and held, so plaque control is possible. Accurate tooth surface cleaning and damage to the interpapillary gums Not only does it help prevent damage, it also eliminates unnecessary pressure on the interdental cleaning sponge or cleaning tip itself, or the joint between the mouth cleaning part and the main body, preventing damage and improving durability It can be.
[0007]
In the third invention, in general, in the case of large retraction of the interdental papillae, the shape of the hourglass-shaped interdental space is such that a vertex is a contact point of both adjacent teeth, and a bottom is both ends of which are adjacent bottoms of a periodontal pocket. Since it becomes the outer shape of, a relatively hard compressible natural fibrous material that is arranged radially from the center of the cross-sectional shape similar to this shape to the apex of the triangular shaped interdrum space in the shape of an arrowhead, An interdental cleaning sponge portion made of a sponge (continuous porous body) made of natural rubber, synthetic rubber, or synthetic resin, or the interdental cleaning sponge is a plate-shaped piece having a thickness of 0.1 mm to 2 mm. The interdental cleaning sponge, in which the central portion of the interdental cleaning fin is continuously pierced at the same angle in a bead shape, is adhered or welded to a shaft having both appropriate elasticity, shape resilience, and flexibility. 0 ° left and right in the axial direction Left and right 45-degree rotatable, a interdental cleaning tool comprising a holder, or slide interdental cleaning sponges which were fitted to the slide axis of motion to the electric appliances of the hand for interdental cleaning implement.
[0008]
With this interdental cleaning instrument, the mesio-distal free gingiva of the adjacent teeth can be obtained with the tooth contact point as the apex simply by inserting the holding portion of the manual interdental cleaning instrument and the power tool into the interdental portion from any insertion angle and direction. The interdental cleaning sponge is automatically rotated to an angle suitable for the isosceles triangular interdental space serving as the base and inserted so as to fill the interdental space without any gap. With this type of interdental cleaning sponge, if the outer shape of the interdental cleaning fin, which is a plate-shaped piece in a tapered shape from the front end to the rear end, is gradually increased, the interdental portion insertion operation becomes easier. Become. In addition, due to the difference in compressibility of the interdental cleaning fins that are closely pressed into the hourly interdental space, a relatively hard sponge or other special continuous porous body can be placed inside the bottom of the adjacent periodontal pocket or at the point of contact between the adjacent teeth. Plaque can be cleaned.
[0009]
A fourth invention is an interdental cleaning tool including the interdental cleaning sponge of the first invention in which a spiral groove is formed on a long axis surface of the interdental cleaning sponge. The helical groove on the long-axis surface is not only capable of scraping plaque and intentionally discharging it in a certain direction on the buccal side or the lingual side by the rotational movement of the shaft portion of the electric interdental cleaning instrument, but also electrically driven. By changing the rotational movement direction of the interdental cleaning instrument shaft as needed, the screw-shaped groove exerts a propulsive force, thereby facilitating penetration of the interdental cleaning sponge into the narrowed interdrum space. Driving the electric tooth cleaning tool in reverse rotation will help pull out the tooth cleaning sponge easily.
[0010]
According to a fifth aspect of the present invention, the cleaning sponge portion according to the first aspect has a long-axis cross-sectional shape in which the projection apex of a star (starfish), gear, or star (starfish), and a gear is formed in the axial rotation direction. This is an interdental cleaning tool in which a plurality of grooves are formed parallel to the axial direction of the axis or in a multi-spiral shape so as to have a shape that is uniformly spirally deformed by rotation.
[0011]
When this interdental cleaning device is inserted into the interdental portion and rotated, if the device has a groove formed in parallel with the axial direction, a star (starfish), gear, or star (starfish) is formed. Shape), plaque is scraped to the bottom of the groove, and a plurality of grooves are formed in a multi-spiral shape by the cross-sectional shape in which the top of the gear-shaped protruding portion is spirally deformed in a constant spiral with respect to the axis rotation direction. In the case of the above, the collected plaque can be further intentionally discharged in a certain direction on the buccal side or the lingual side by simultaneously scraping out the plaque by the rotational movement of the shaft portion of the electric interdental cleaning instrument. In addition, by changing the rotational movement direction of the shaft portion of the electric interdental cleaning tool as needed, as in the third invention, the interdental space narrowed by the multiple helical (multiple screw) propulsion force can be removed. In addition to facilitating penetration of the interdental cleaning sponge, driving the electric interdental cleaning tool in a reverse rotation will help pull out the interdental cleaning sponge easily.

[0012]
According to a sixth aspect of the present invention, the interdental cleaning sponge of the first aspect of the present invention rotates the star-shaped (starfish-shaped), gear-shaped or star-shaped (starfish-shaped), and the apex of the gear-shaped projection constantly in the axial rotation direction. The same compressibility of sponge (continuous porous body) of deformable cross-sectional shape and 0.1 to 2 mm thick highly compressible natural fiber, natural rubber, synthetic rubber, or synthetic resin The shafts are randomly offset from each other or have different compressibility, or are displaced at a fixed angle to the shaft (forming multiple spiral grooves in a stepwise manner in the axial direction). An interdental cleaning sponge characterized in that it is adhered or welded in a bead shape to a part.
[0013]
Just insert the interdental cleaning sponge part into the interdental part and hold it, then a plurality of star-shaped (starfish-shaped) and gear-shaped protruding vertices randomly arranged in the axial rotation direction will scrape plaque. , Stores plaque on its base. In addition, the interdental cleaning unit arranged so as to be displaced at a fixed angle with respect to the axis (forming a plurality of spiral grooves in a stepwise manner with respect to the axial direction) uses the rotating force of the electric interdental cleaning tool, Not only is it possible not only to intentionally discharge plaque in a certain direction on the buccal or lingual side, but also, as in the third and fourth inventions, the stenosis is caused by a multi-spiral (multi-screw) propulsion force. In addition to facilitating penetration of the interdental cleaning sponge into the formed interdental space, driving the electric interdental cleaning tool in a reverse rotation can easily help pull out the interdental cleaning sponge.
[0014]
According to a seventh aspect of the present invention, a plurality of grooves are formed in a direction perpendicular to the axial direction on the surface of the sponge portion having various cross-sectional shapes according to the first and fourth aspects of the invention, or a polygonal or circular outer peripheral shape is formed. An interdental cleaning device characterized by comprising a cup-shaped interdental cleaning sponge in which pieces having the same compressibility or different compressibility are uniformly arranged in a bead shape on a shaft.
[0015]
This interdental cleaning sponge part is slid in the axial direction using an electric interdental cleaning tool or a hand tool to capture plaque inside the groove or the inner surface of the cup portion, and further to the buccal or lingual side. It becomes possible to discharge.
[0016]
The eighth invention is such that the interdental cleaning sponge part of the first invention to the fourth invention has a different compressibility at the front end, the center, and the rear end, so that natural fiber, natural rubber, A sponge (continuous porous body) made of synthetic rubber or synthetic resin, etc., which is multi-moulded by transition or by site, or a piece at the front end, a piece at the rear end, or a piece at the center according to the fifth and sixth inventions This is an interdental cleaning sponge made of a sponge (continuous porous body) made of natural fiber, natural rubber, synthetic rubber, or synthetic resin having different compressibility.
[0017]

As an example, the front and rear ends are relatively hard, and the center is a relatively soft, highly compressible sponge (continuous porous body) such as natural fiber, natural rubber, synthetic rubber, or synthetic resin. Then, when inserting the interdental part, feel the frictional resistance of the relatively hard parts at both ends with the feel of a finger, and confirm that the cleaning sponge is correctly inserted into the interdental part without using a mirror etc. be able to. In addition, a relatively soft part or a soft piece in the center part is well adapted to a root indentation and improves plaque removal efficiency.
[0018]

The ninth invention is that the cross-sectional shape of the resin covering the surface of the resin or metal constituting the shaft portion of the first invention is a circle, a polygon, a star, or a vertical cross-sectional shape, By making the shape of the front end face flat, hemispherical, or polyhedral, the shape of the brush part obtained by electrostatically flocking a single-length nylon or other vial on the shaft part can be freely adjusted. It is an interdental cleaning device characterized by being reproduced.
The shape of the shaft portion is similar to the external shape of the brush portion in which a single length of nylon or the like, such as nylon, has been subjected to electrostatic flocking. Fits and presses against the tooth surface, gingiva and gingival sulcus, removes plaque efficiently and cleans, and can freely design the outer shape of the brush bristles at the tip. It serves as a guide to prevent damage to the teeth and to assist in insertion into the interdental region.
[0019]

The tenth invention is the first invention and the 9 In addition to the invention of the above, the interdental cleaning device is characterized in that when a vial such as nylon is electrostatically implanted on a shaft portion, a portion to be implanted is masked in advance and electrostatically implanted. Thus, the portion to be implanted can be freely designed, so that it is possible to freely reproduce the optimal implanted shape according to a brushing method such as rotation, sliding, or rotational sliding motion such as a spiral or parallel shape.
[0020]

BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
3 to 9 are examples of the embodiment of the present invention. In the drawings, the portions denoted by the same reference numerals as those in the drawings represent the same components, and the basic configuration when actually used in the oral cavity Is similar to the conventional one shown in FIG. 1 and FIG. 2, but the feature of this example is that the electric inter-tooth cleaning tool as shown in FIG. 1 and the metal twisted wire of the manual inter-tooth brush shown in FIG. And a cleaning brush portion made of nylon or the like is made of a special continuous porous material such as a sponge and a metal or resin having appropriate elasticity, shape resilience and flexibility.
[0021]
As shown in FIG. 1, it is only necessary to insert the interdental cleaning sponge portion 1 adhered or welded to the shaft portion 2 of the electric interdental cleaning instrument into the interdental portion and to maintain the electric interdental cleaning instrument holding portion 11 at that position. Dental plaque in the interdental region is pressed against the sponge surface in various shapes and tooth surfaces, gingiva and gingival sulcus by rotating motion 21, reciprocating motion 23, or rotating sliding motion of the electric interdental cleaning tool, and natural cellulose, natural rubber, synthetic rubber Or, it is automatically removed and cleaned by fine irregularities on the surface of a sponge (continuous porous body) such as a synthetic resin.
[0022]

In addition, when the spiral interdental cleaning sponge shown in FIG. 3 is inserted into the interdental portion while the electric interdental cleaning tool is in operation, the tip 1a of the spiral interdental cleaning sponge covered with the elastic sponge is inserted into the interdental portion. The shaft and the papillary gingiva are prevented from being damaged, and the shaft portion 2 made of resin or metal having appropriate elasticity, shape resilience and flexibility has a buccolingual insertion of the shaft into the interdrum space. When there is a restriction in the direction, the interdental cleaning sponge 1 together with the shaft 2 is deformed with appropriate elasticity as shown in FIG. 4, so that it can be inserted without resistance into an interdental part such as a maze having a complicated root shape. In addition, it is possible to clean even the root root depression because it is deformed and adapted by the compressive elasticity of the special continuous porous body.
In addition, the material of the interdental cleaning portion and the shaft portion having shape resilience and elasticity prevents deformation and fracture due to metal fatigue and the like as in the conventional interdental brush.
[0023]
Further, a continuous sponge shape in which a sponge-shaped continuous sponge shape is formed by combining a hard sponge portion 7b and a soft sponge portion 7a having a shape similar to the cross-sectional shape of the interdental space buccal tongue with the shaft portion 2 shown in FIG. The inter-tooth gap-shaped inter-tooth cleaning sponge 7 is rotatably supported by the rotation stopper 3 in the axial direction. When the cleaning sponge fixed to the manual interdental cleaning tool head portion 31 of the cleaning tool is inserted into the interdental papillary retraction site, each vertex of the triangle is set as a contact point of both adjacent teeth, and both ends are set as the adjacent periodontal pocket bottom. The cleaning sponge is automatically rotated to an angle adapted to the triangular shape to be introduced, and is guided to the interdrum space.
[0024]

Further, since the continuous hourly interdental gap-shaped interdental cleaning sponge 7 is composed of the soft sponge portion 7a and the hard sponge portion 7b, the hard sponge portion 7b removes and cleans the plaque inside the adjacent periodontal pocket bottom. I do. It goes without saying that this mechanism is similarly useful in an electric interdental cleaning tool that slides the shaft portion 2.
[0025]
In addition, as shown in FIG. 3, the interdental cleaning sponge having the hard sponge 24 at the front end and the rear end and the soft sponge 25 at the center is provided in the narrowed interdental space as shown in FIG. When inserted, the frictional resistance of the relatively hard hard sponge 24 at both ends is sensed with the feel of a finger, and it can be confirmed that the cleaning sponge portion is correctly inserted into the interdental portion without using a mirror or the like. . In addition, the relatively soft soft sponge 25 in the central portion is well fitted to the tooth (root) cross-section depression 34, and enhances plaque removal efficiency.
[0026]
As described above, various forms around the tip of the shaft portion such as resin or metal having appropriate elasticity, shape resilience and flexibility shown in FIGS. 3, 5, 6, 7, 8, and 9 are provided. A sponge (continuous porous body) made of natural fibers, natural rubber, synthetic rubber, or synthetic resin, which is highly compressible and deformed, is spliced or welded between teeth. When attached to the movement axis of an electric interdental cleaning device or a manual interdental cleaning device that generates dentition, the interdental cleaning sponge shown in FIGS. 3, 6, and 9 simultaneously scrapes plaque and simultaneously The plaque is discharged to the buccal side or the lingual side by a rotational movement according to the rotation direction of the shaft portion 2, and the interdental cleaning sponge of FIGS. 6 and 9 has a multiple spiral shape (multiple screw shape) and the interdental cleaning of FIG. With a sponge, a spiral (screw) propulsion Together to facilitate the penetration of the interdental cleaning sponge against hourglass embrasure was constricted Te, it becomes easily pull catching interdental cleaning sponge help by driving the electric interdental cleaning implement in the reverse rotation.
[0027]
In addition, in the interdental cleaning sponge of the form shown in FIG. 8, the plaque scraped out by the reciprocating motion 23 can be cleaned while being stored in the continuous cup-type interdental cleaning sponge recess 8b, so that discomfort can be reduced. . Naturally, the shapes of the interdental cleaning sponges shown in FIGS. 3, 5, 6, 7, 8 and 9 alone increase the cleaning ability alone, but the ability is further exhibited by combining various shapes.
[0028]

In the deformed invention, as shown in FIG. 10, a fiber brush 26 a made of a natural fiber, a natural rubber, a synthetic rubber, or a synthetic resin having a moderate elasticity and high compressibility, Electrodepositing, bonding, or the like to a resin or metal shaft 2 having appropriate elasticity, shape resilience, and flexibility connected to the slide shaft so as to have a cylindrical or polygonal column shape having a smooth roundness. Since it is welded, it prevents damage to the margin and papillary gingiva when inserted into the interdental area, and uses the buccal gingival-sided interdental space as a guide to manually or electrically power the interdental cleaning tool. The axial direction of the fiber brush, which is determined by the insertion direction of the oral cavity, is deformed by the appropriate elasticity, shape resilience, and flexibility of the shaft portion, leading to the buccolingual penetration direction of the interdrum space, and -When the brush is slid, rotated or slid, the shaft is inserted into the interdental space, such as a maze with a complex root shape, and the shaft becomes a complex anatomical space of the interdrum space. Since it deforms according to the form, it is deformed in the same manner as the interdental cleaning sponge of FIG. 4 so that the fiber brush part is pressed against the tooth surface, gingiva and gingival sulcus of the interdental part without excess and deficiency, and plaque is removed In addition to cleaning, deformation and breakage are prevented by the material of the shaft portion having shape resilience and elasticity.
[0029]
Further figure 1 In the sponge brush shown in FIG. 11, the shaft is divided into a thinner section (stress deformation) 40 and a thicker section like the sponge brush shown in FIG. Therefore, the brush is further deformed by an external force, and the entire brush can be deformed at an arbitrary set portion.
[0030]
If the present invention is further developed, as shown in FIG. 12, a shaft vertical cross section is provided with a shaft cross section detail 37 and a shaft cross section thick section 38, and furthermore, the normality of the fore-end surface at the distal end portion is variously changed, so that the isometric length is obtained. If the nylon vial 39 is subjected to electrostatic flocking, it is possible to set a brush outer shape having an arbitrary flocking direction in which the outer shape of the nylon brush portion is similar to the shaft portion. In addition, by setting the axial cross section 41 to a star shape or a polygon as shown in FIG. The cross-sectional shape of the brush portion can be arbitrarily set by the equal-length nylon vial 39 to be bristle-processed. Further, as shown in FIG. 14, the flocking position of the brush portion can be freely set by setting the masking portion 35 other than the flocking process of the shaft portion 2 and performing the electrostatic flocking process on the adhesive application portion 36. Therefore, it is possible to freely set the flow of the whole flocking, such as a spiral shape or a point (dot) shape.
[0031]
In addition, the whole shape of the present invention, the material of the sponge (continuous porous body) such as a shaft material and a natural fiber, a natural rubber, a synthetic rubber, or a synthetic resin having high compressibility, and a method of bonding or welding, and an electric tooth space The sliding motion of the cleaning tool, the rotation motion, or the mechanism such as the rotary sliding motion and the shape of the manual interdental cleaning tool are not limited to the above-described illustrated examples, and are within the scope of the present invention. Of course, various changes can be made.
[Brief description of the drawings]
FIG. 1 shows an electric interdental cleaning tool provided with a sponge (continuous porous body) interdental cleaning sponge made of natural fiber, natural rubber, synthetic rubber, or synthetic resin having high compressibility, showing one embodiment of the present invention. FIG.
FIG. 2 shows an embodiment of the present invention, a manual interdental cleaning device provided with a sponge (continuous porous body) interdental cleaning sponge made of natural fiber, natural rubber, synthetic rubber, or synthetic resin with high compressibility. FIG.
FIG. 3 is a view showing a spiral inter-tooth cleaning sponge brush on a shaft having elasticity, shape restoring property, and flexibility.
FIG. 4 is a view showing a state in which a sponge for cleaning between spiral teeth is deformed on a shaft having elasticity, shape restoring property, and flexibility.
FIG. 5 is a view showing a vertical wing type interdental cleaning sponge brush on a shaft having elasticity, shape restoring property and flexibility.
FIG. 6 is a diagram showing a spiral vertical wing type interdental cleaning sponge brush on a shaft having elasticity, shape resilience, and flexibility.
FIG. 7 is a diagram showing an interdental cleaning sponge brush in which a shaft having elasticity, shape resilience, and flexibility is combined with a hard and soft special continuous porous body in an hourglass-shaped interdental space shape to form a bead shape;
FIG. 8 is a diagram showing an inter-tooth cleaning sponge brush in which a cup-shaped special continuous porous body is connected in a bead shape to a shaft having elasticity, shape resilience, and flexibility.
FIG. 9 is a view showing an interdental cleaning sponge brush in which a starfish-shaped special continuous porous body is randomly connected in a bead shape on a shaft having elasticity, shape resilience, and flexibility.
FIG. 10 is a view showing a fiber brush provided with a shaft having elasticity, shape resilience, and flexibility.
FIG. 11The figure which shows the sponge brush which has the axial part which set the site | part which stress-deforms by providing a detail and a thick part in an axial longitudinal cross section.
FIG.The figure which shows the brush external shape which provided the detail and the thick part in the shaft longitudinal cross section, and carried out the electrostatic flocking process of the nylon vial on the shaft cross section of various front-end | tip parts shapes.
FIG. 13The figure which shows the various brush cross section and the brush outer shape which carried out the electrostatic flocking process of the nylon vial on the shaft cross section.
FIG. 14The figure which shows the situation which carries out the electrostatic flocking process of a nylon vial spirally by masking a shaft part.
[Explanation of symbols]
1. Interdental cleaning sponge
1a, tip of spiral sponge cleaning sponge
1b, helical tooth cleaning sponge protrusion
1c, spiral tooth cleaning sponge recess
2. Shaft
3. Shaft, rotation stopper
4. Bearing sheath
5a, vertical wing type interdental cleaning sponge tip
5b, vertical wing type interdental cleaning sponge blade root
5c, vertical wing type interdental cleaning sponge wing tip
6a, spiral vertical wing type interdental cleaning sponge tip
6b, spiral vertical blade type interdental cleaning sponge blade root
6c, spiral vertical wing type interdental cleaning sponge wing tip
7. Continuous hourly interdental gap-shaped interdental cleaning sponge
7a, soft sponge part
7b, hard sponge part
8. Continuous cup type interdental cleaning sponge
8a, continuous cup type interdental cleaning sponge protrusion
8b, continuous cup type interdental cleaning sponge recess
9. Continuous random array vertical wing type interdental cleaning sponge tip
9a, continuous random array vertical wing type interdental cleaning spong wing tip
9b, continuous random array vertical wing type interdental cleaning sponge wing root
11. Electric tooth cleaning device holder
12. Electric tooth cleaning equipment
13. Electric interdental cleaning appliance switch
21 、 Rotating motion
22 、 Free repetition movement
23, reciprocating motion
24, hard sponge
25, soft sponge
26a, fiber brush
26b, tip fiber brush
30, manual interdental cleaning tool holder
31 、 Hand-tooth gap cleaning instrument head

33, tooth (root) cross section
34, tooth (root) cross section depression

35, masking section

36, adhesive application section

37, Shaft section details

38, thick section of shaft section

39, nylon vial

40, shaft section thin (stress deformation) part

41, shaft section

42, tip hemispherical shaft section

43, tip polyhedron axial section

Claims (8)

歯間部の歯面、歯肉および歯肉溝を清掃する器具であって、特願２０００−３８０６８６、特願２００１−２３０２０７の様なスライド運動、回転運動、あるいは回転スライド運動を発生する電動歯間清掃器具の運動軸、あるいは手用歯間清掃器具に接続した適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部と、
前記、軸部の先端部を包み込むように、先端が滑らかな丸みを持った円柱あるいは多角柱形状の被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（特殊連続多孔体）を、接着あるいは溶着した歯間清掃スポンジ部と、を含み、
前記、歯間清掃スポンジ部を歯間部に挿入する場合、軸先端部を被覆する歯間清掃部スポンジが、歯間部に挿入する際に辺縁および乳頭歯肉を傷つけることを防止し、
頬や舌あるいは口唇などによって、手用歯間清掃器具や電動歯間清掃器具の口腔挿入方向が解剖学的制約を受けるために、歯間清掃スポンジの軸方向と、鼓形歯間空隙の頬舌的貫通方向を一致させることが困難な場合も、滑らかな丸みを持った先端部を、頬側歯肉側鼓形歯間空隙、あるいは舌側（口蓋側）歯肉側鼓形歯間空隙に位置させて、頬舌方向に軽く圧入すれば、適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部と歯間清掃スポンジ部が適度な弾性をもって変形することによって、容易に挿入を可能とし、
さらに、歯間部に挿入後、歯間清掃スポンジ部をスライド運動、回転運動あるいは回転スライド運動させると、複雑な歯根形状を有する迷路のような歯間部にも挿入するだけで、軸部と歯間清掃スポンジ部が、鼓形歯間空隙の複雑な解剖学的形態に応じて適合変形することによって、過不足なくスポンジの弾性でスポンジ表面を歯間部の歯面、歯肉および歯肉溝に圧接し、スポンジ表面の微細な凹凸が同部の歯垢を除去清掃するとともに、形状復元性と弾性を有する歯間清掃スポンジ部および軸部の材質によって変形破折を防止したことを特徴とする歯間清掃器具。An appliance for cleaning the tooth surface, gingiva and sulcus of an interdental portion, which is an electric interdental cleaning that generates a sliding motion, a rotating motion, or a rotating sliding motion as disclosed in Japanese Patent Application Nos. 2000-380686 and 2001-230207. The axis of motion of the instrument, or a shaft made of resin or metal that has both appropriate elasticity, shape resilience, and flexibility connected to the manual interdental cleaning instrument,
A sponge made of natural fiber, natural rubber, synthetic rubber, or synthetic resin of a highly compressible natural fiber, natural rubber, synthetic rubber, or synthetic resin having a rounded or cylindrical shape with a smoothly rounded end so as to enclose the end of the shaft portion. A porous body), and an adhesive or welded interdental cleaning sponge part,
When inserting the interdental cleaning sponge portion into the interdental portion, the interdental cleaning portion sponge covering the shaft tip prevents the margin and papillary gum from being damaged when inserted into the interdental portion,
Since the insertion direction of the manual interdental cleaning device or electric interdental cleaning device into the oral cavity is restricted by the cheek, tongue or lips, etc., the axial direction of the interdental cleaning sponge and the cheek of the interdrum space If it is difficult to match the tongue penetration direction, place the smooth rounded tip in the buccal gingival-side interdental space or lingual (palate side) gingival-side interdental space. Then, if it is lightly pressed in the buccolingual direction, the shaft and the interdental cleaning sponge such as resin or metal having appropriate elasticity, shape resilience and flexibility are easily deformed with appropriate elasticity. Allows insertion,
Further, after the insertion into the interdental portion, the interdental cleaning sponge portion is slid, rotated or rotationally slid, and inserted into the interdental portion such as a maze having a complex root shape, and the shaft portion is removed. The interdental cleaning sponge part is adapted and deformed according to the complex anatomical form of the interdental space, and the sponge elasticity is applied to the interdental tooth surface, gingiva and sulcus with the elasticity of the sponge without excess or deficit. It is characterized by the fact that the fine irregularities on the surface of the sponge press against and remove the plaque in the same part and clean it, and the sponge cleaning part having the shape restoration property and elasticity and the material of the shaft part prevent the deformation and fracture. Cleanser between teeth. 請求項１に加えて、請求項１に記載の手用歯間清掃器具の保持部、あるいはスライド運動する電動器具のスライド軸に勘合した鞘状のジョイント部と、
前記、ジョイント部の鞘に勘合し、軸回転方向に左右０度から左右４５度回転自在に装着した適度な弾性と形状復元性および可撓性を併せ持つ軸部と、
その軸部先端を包み込むように、長軸断面形状を、歯間乳頭退縮による鼓形歯間空隙の状況に適合した、頂点を両隣在歯の接触点とし、底辺は両端を隣接面歯周ポケット底とし、乳頭歯肉の豊隆に適合するように弓状に窪んだ三角柱、または、先端部から後端部にかけテーパー状の三角錐の外形になるように比較的軟質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で成型し、その三角柱の長軸中心から長軸に平行な三辺に向けて放射状（矢尻状）に配置した比較的硬質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で構成した歯間清掃スポンジ部か、
前記、歯間清掃スポンジの厚みを０．１ミリから２ミリの板状のピースとした歯間清掃フィン中心部を同一角度で連続的に数珠状に配列し、各フィンを連ねた外形が三角柱、または、先端部から後端部にかけテーパー状の三角錐の外形になる歯間清掃スポンジ部と、を含み、
その、歯間清掃スポンジ部を装着した手用歯間清掃器具および電動歯間器具を鼓形歯間空隙に向けて任意の方向から挿入するだけで、挿入方向にかかわらず歯牙接触点を頂点とし、隣接歯の近遠心遊離歯肉を底辺とする二等辺三角形の外形を呈する鼓形歯間空隙に適合するように自動的に回転して歯間清掃スポンジ部を挿入可能とし、軸中心から長軸に平行な三辺に向けて放射状（矢尻状）に配置した比較的硬質な天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）が隣接面歯周ポケット底内部の清掃を可能としたことを特徴とする歯間清掃器具。In addition to claim 1, a holding portion of the manual interdental cleaning device according to claim 1, or a sheath-shaped joint portion fitted to the slide shaft of the electric device that slides,
A shaft portion having appropriate elasticity, shape resilience, and flexibility, which is fitted to the joint portion's sheath so as to be freely rotatable from right to left and right and left to 45 degrees in the shaft rotation direction,
In order to enclose the tip of the shaft part, the long axis cross-sectional shape is adapted to the situation of the interdrum gap due to interdental papillary retraction, the apex is the contact point of both adjacent teeth, and the bottom is both adjacent periodontal pockets A relatively compressible natural fiber that has a bottom and a triangular prism that is concave in an arc shape to fit the papillae's bulging, or a relatively soft triangular pyramid with a tapered shape from the tip to the back. Molded with sponge (continuous porous body) such as rubber, natural rubber, synthetic rubber, or synthetic resin, the triangular prism is arranged radially (arrowhead shape) from the center of the major axis to three sides parallel to the major axis. An interdental cleaning sponge part made of a sponge (continuous porous body) made of a hard compressible natural fiber, natural rubber, synthetic rubber, or synthetic resin.
The interdental cleaning fins, each having a plate-like piece with a thickness of 0.1 mm to 2 mm, are arranged continuously in the shape of a bead at the same angle, and the outer shape of each fin is a triangular prism. Or, between the front end to the rear end, including an interdental cleaning sponge portion having a tapered triangular pyramid outer shape,
Simply insert the manual interdental cleaning device and the electric interdental device equipped with the interdental cleaning sponge part from any direction toward the hourglass-shaped interdental space. The sponge for interdental cleaning can be inserted by automatically rotating to fit into the interdrum space having the shape of an isosceles triangle with the base of the mesio-distal free gingiva of the adjacent teeth as the base. A relatively hard sponge (continuous porous body) such as natural fiber, natural rubber, synthetic rubber, or synthetic resin arranged radially (arrow-shaped) toward three sides parallel to the inner surface of the periodontal pocket bottom An interdental cleaning device characterized by enabling cleaning. 請求項１に加えて、請求項１に記載の清掃スポンジの長軸面に、長軸方向に螺旋状（螺子状）の溝を形成し、軸部を回転運動させることによって意図的に歯垢を頬側あるいは舌側の一定方向に排出し、電動歯間清掃器具軸部の回転運動方向を随時変換することによって、螺子状の溝は、その推進力により狭窄した鼓形歯間空隙に対して歯間清掃スポンジの侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジを引く抜く手助けとなる歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。In addition to claim 1, plaque is intentionally formed by forming a spiral (screw) groove in the long axis direction on the long axis surface of the cleaning sponge according to claim 1 and rotating the shaft portion. Is discharged in a fixed direction on the buccal or lingual side, and the rotational movement direction of the shaft portion of the electric interdental cleaning device is changed at any time, so that the screw-shaped groove can reduce the gap between the hourglass space narrowed by the propulsion force. Tooth having a tooth cleaning sponge part which facilitates intrusion of the tooth cleaning sponge and facilitates pulling out the tooth cleaning sponge by driving the electric tooth cleaning tool in reverse rotation. Cleaning equipment. 請求項１に加えて、請求項１に記載の清掃スポンジの長軸断面形状を、星形（ヒトデ形）、歯車形、あるいは星形（ヒトデ形）、歯車形の突起部頂点を軸回転方向に対して一定に渦巻き状に回転変形させた形状になるように、軸長軸方向に対して平行か、あるいは多重螺旋状に複数の溝を形成する事によって、軸の回転で歯垢を掻き出すとともに、多重螺旋（多重螺子状）の推進力により狭窄した鼓形歯間空隙に対して歯間清掃スポンジ部の侵入を容易にするとともに、逆回転に電動歯間清掃器具を駆動すれば容易に歯間清掃スポンジ部を引く抜く手助けとなる歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。In addition to the first aspect, the cleaning sponge according to the first aspect may have a long-axis cross-sectional shape of a star (starfish), a gear, or a star (star), and a vertex of a gear-shaped protrusion may be rotated in an axial direction. The plaque is scraped out by rotating the shaft by forming a plurality of grooves parallel to the long axis direction or multiple spirals so that the shape becomes a spirally deformed shape At the same time, the interdental cleaning sponge can be easily inserted into the interdrum space between the denticles narrowed by the propulsive force of the multiple spirals (multiple screw shapes), and can be easily driven by driving the electric interdental cleaning tool in a reverse rotation. An interdental cleaning device, comprising: an interdental cleaning sponge portion that assists in pulling out the interdental cleaning sponge portion. 請求項１に加えて、請求項１に記載の清掃スポンジの長軸断面形状を、星形（ヒトデ形）、歯車形、あるいは星形（ヒトデ形）、歯車形の突起部頂点を軸回転方向に対して一定に回転変形させた断面形状の厚さ０．１ミリから２ミリの被圧縮性の高い被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）を、各星形（ヒトデ形）、歯車形の突起部頂点が近接するそれぞれのピースでランダムにオフセットするか、あるいは、軸に対して一定角度で連続的に変異（軸方向に対して多重螺旋の溝を形成）するピースを、軸部に数珠状に接着あるいは溶着した歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。In addition to the first aspect, the cleaning sponge according to the first aspect may have a long-axis cross-sectional shape of a star (starfish), a gear, or a star (star), and a vertex of a gear-shaped protrusion may be rotated in an axial direction. A sponge made of natural fiber, natural rubber, synthetic rubber, or synthetic resin with a high compressibility and a high compressibility, with a cross-sectional shape of 0.1 mm to 2 mm that has been uniformly rotated and deformed. The porous body) is randomly offset with each star (starfish shape), the apex of the gear-shaped protruding part is close to each other, or is continuously changed at a certain angle to the axis (to the axial direction) An inter-tooth cleaning sponge part in which a piece that forms a multi-spiral groove) is glued or welded in a rosary shape to a shaft part. 請求項１および請求項４に加えて、請求項１および請求項４に記載の各種断面形状のスポンジ部表面に、軸方向に対して直角方向に複数の溝を形成するか、外周の形状が多角形あるいは円形のカップ型のピースを軸部に数珠状に均等配置し、軸方向にスライド運動することによって歯垢を、溝の内部あるいはカップ部分の内面に歯垢を捕らえ、さらに頬側あるいは舌側に排出する歯間清掃スポンジ部を備えることを特徴とする歯間清掃器具。In addition to the first and fourth aspects, a plurality of grooves are formed on the surface of the sponge portion having various cross-sectional shapes according to the first and fourth aspects in a direction perpendicular to the axial direction, or the outer peripheral shape is changed. Polygonal or circular cup-shaped pieces are evenly arranged in a rosary shape on the shaft, and plaque is captured by sliding in the axial direction to trap plaque inside the groove or on the inner surface of the cup part, and further on the buccal side or An interdental cleaning device, comprising: an interdental cleaning sponge portion discharged to the lingual side. 請求項１に加えて、請求項１から請求項４に記載の歯間清掃スポンジ部の先端部、中央部、後端部でおのおのの同一の被圧縮性、あるいは異なった被圧縮性を有するように被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）を移行的にあるいは部位別に多重成型し、請求項５および請求項６に記載の清掃スポンジ部では、先端のピースと後端のピースを中央のピースに比較してより硬質な被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのスポンジ（連続多孔体）で構成することによって、歯間挿入時に、頬側、舌側あるいは両側に貫通突出したより硬質なスポンジの反発抵抗により、手指の感覚で清掃スポンジ部が歯間部に的確に挿入されていることを感じ取ることができるだけでなく、軟質なピースは歯根陥窮部によく適合して歯垢除去能率を高めたことを特徴とする歯間清掃スポンジ部を備えた歯間清掃器具。In addition to the first aspect, the front, center and rear ends of the interdental cleaning sponge according to the first to fourth aspects have the same compressibility or different compressibility. 7. The cleaning sponge according to claim 5, wherein a sponge (continuous porous body) of a highly compressible natural fiber, natural rubber, synthetic rubber, or synthetic resin is formed in a transitional or site-specific manner. In the part, the top piece and the rear piece are made of a sponge (continuous porous body) made of natural fiber, natural rubber, synthetic rubber, or synthetic resin that is harder and more compressible than the center piece. By doing so, at the time of interdental insertion, due to the repulsion resistance of the harder sponge penetrating the buccal side, lingual side or both sides, it is felt that the cleaning sponge part is properly inserted into the interdental part with the sense of a finger. thing Can not only soft piece between teeth with interdental cleaning sponges, characterized in that enhanced plaque removal efficiency well suited to the root Ochiikyu unit cleaning implement. 請求項１に加えて、請求項１に記載の手用歯間清掃器具の保持部、あるいはスライド運動する電動歯間清掃器具のスライド軸に接続した適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部と、
前記、軸部の先端部を包み込むように、先端が滑らかな丸みを持った円柱あるいは多角柱形状の外形になるように、適度な弾性を有する被圧縮性の高い天然繊維素、天然ゴム、合成ゴム、あるいは合成樹脂などのファイバーを、電着、接着あるいは溶着したファイバーブラシ部と、を含み、
前記、ファイバーブラシ部を歯間部に挿入する場合、軸先端部を被覆するファイバーブラシ部が、歯間部に挿入する際に辺縁および乳頭歯肉を傷つけることを防止し、
頬や舌あるいは口唇などによって、手用歯間清掃器具や電動歯間清掃器具の口腔挿入方向が解剖学的制約を受けるために、ファイバーブラシ部の軸方向と、鼓形歯間空隙の頬舌的貫通方向を一致させることが困難な場合も、滑らかな丸みを持った外形の先端部を、頬側歯肉側鼓形歯間空隙、あるいは舌側（口蓋側）歯肉側鼓形歯間空隙に位置させて、頬舌方向に軽く圧入すれば、適度な弾性と形状復元性および可撓性を併せ持つ樹脂や金属などの軸部が、変形することによって、容易に挿入を可能とし、
さらに、歯間部に挿入後、ファイバーブラシ部をスライド運動、回転運動あるいは回転スライド運動させると、複雑な歯根形状を有する迷路のような歯間部にも挿入するだけで軸部が、鼓形歯間空隙の複雑な解剖学的形態に応じて適合変形することによって、過不足なくファイバーブラシ部を歯間部の歯面、歯肉および歯肉溝に圧接し、歯垢を除去清掃するとともに、形状復元性と弾性を有する軸部の材質によって変形破折を防止したことを特徴とする歯間清掃器具。In addition to the first aspect, a suitable elasticity, shape restoring property and flexibility connected to a holding portion of the manual interdental cleaning tool according to the first aspect or a slide shaft of the electric interdental cleaning tool that slides. Shafts such as resin and metal that have
In order to enclose the tip of the shaft portion, so that the tip becomes a cylindrical or polygonal column shape having a smooth roundness, a natural elastic material, natural rubber, synthetic rubber having moderate elasticity and high compressibility. Fiber, such as rubber, or synthetic resin, electrodeposited, bonded or welded, including a fiber brush portion,
When inserting the fiber brush portion into the interdental portion, the fiber brush portion covering the shaft tip prevents the margin and papillary gum from being damaged when inserted into the interdental portion,
Due to the anatomical restrictions on the insertion direction of the manual interdental cleaning device or electric interdental cleaning device due to the cheek, tongue or lips, the axial direction of the fiber brush and the buccolingual Even if it is difficult to match the target penetration direction, the smooth rounded tip is inserted into the buccal gingival-side interdental space or lingual (palate side) gingival-side interdental space. If it is positioned and pressed lightly in the buccolingual direction, the shaft of resin or metal, which has both appropriate elasticity and shape resilience and flexibility, can be easily inserted by deforming,
Further, after the insertion into the interdental portion, the fiber brush portion is slid, rotated, or rotationally slidably moved. By adapting and deforming according to the complex anatomical form of the interdental space, the fiber brush part is pressed against the tooth surface, gingiva and sulcus of the interdental part without excess and deficiency, removing plaque and cleaning, and forming An interdental cleaning tool, wherein deformation and fracture are prevented by a material of a shaft portion having resilience and elasticity.
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