JP2012505206A - 歯知覚過敏防止用組成物 - Google Patents
歯知覚過敏防止用組成物 Download PDFInfo
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- JP2012505206A JP2012505206A JP2011530944A JP2011530944A JP2012505206A JP 2012505206 A JP2012505206 A JP 2012505206A JP 2011530944 A JP2011530944 A JP 2011530944A JP 2011530944 A JP2011530944 A JP 2011530944A JP 2012505206 A JP2012505206 A JP 2012505206A
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Images
Classifications
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- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
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Abstract
Description
本発明において、前記歯コーティング用粘着性高分子はヒドロキシプロピルメチルセルロース(hydroxypropyl methyl cellulose)、ヒドロキシエチルセルロース(hydroxyethyl cellulose)、ポリビニルアルコール(polyvinyl alcohol)、ポリビニルピロリドン(polyvinyl pyrrolidone)類、ヒドロキシプロピルセルロース(hydroxypropyl cellulose)、ポリアクリル酸(polyacrylate)誘導体のカルボマー(carbomer)、メチルビニルエーテル(methyl vinyl ether)と無水マレイン酸(maleic anhydride)との共重合体及びポリエチレンオキシド(polyethylene oxide)で構成された群から選択される一つ以上であることを特徴とする。
本発明において用いられるpH調節剤は、知覚過敏防止用組成物のpHを調節して、長期保管時に安全性を向上させるために添加されたもので、前記pH調節剤の含有量は、前記歯コーティング用粘着性高分子100重量部に対し2〜3重量部であることが望ましい。前記pH調節剤の含有量が2重量部未満の場合、前記歯コーティング用粘着性高分子のpHを調節できない問題があり、3重量部を超える場合、添加量増加によるメリットがなく組成物のpHが過度にアルカリ性になるため歯や歯ぐきに刺激を与える恐れがある。
[実施例1]知覚過敏防止用液状組成物の製造
歯コーティング用粘着性高分子としてポリビニルアルコール、ポリビニルピロリドン、知覚過敏防止用活性物質としてシュウ酸カリウム、前記知覚過敏防止用活性物質の透過を促進させる物質としてアルギニンの含有量が80〜90%であるペプチド、敏感神経緩和用活性物質として硝酸カリウム、塩化ストロンチウムpH調節剤としてKOHを準備して、揮発性溶媒として60%エタノールを製造した後、知覚過敏防止用液状組成物を製造した。
蒸溜水40mLと0.5%ポリビニルアルコール0.5gを混合して、85〜90℃で30分加熱して、常温まで冷ました後、99.9%無水エタノール60mLを添加して、揮発性溶媒である60%エタノール100mLを製造した。
その後、前記60%エタノール100mLにポリビニルピロリドン2gを溶解させた。
1−1で製造された、ポリビニルピロリドン2gが溶解した60%エタノール100mLにシュウ酸カリウム0.05g、アルギニンの含有量が80〜90%以上であるペプチド0.05g、硝酸カリウム0.05g及び塩化ストロンチウム0.05gを混合させた混合物を製造した。
1−2で製造された混合物にKOHを添加しながらpHを調節して、前記混合物のpHが7.0になるようにした。
75mm Diameter membrane filter、45mm Neck(NALGENE,USA)を利用して、1−3でpHが調節された混合物をろ過させて、知覚過敏防止用液状組成物を製造した。
実施例1で製造された知覚過敏防止用液状組成物が知覚過敏予防または治療剤としての歯表面微細孔封鎖に対する機能を評価するために、失活歯を利用して、象牙細管密封効果を電子顕微鏡で観察した。ここで、失活歯(non-vital tooth)とは、外部の衝撃や虫歯によって歯の中の歯髄が死んで歯の中の微細な隙間に入って変色を起こして、結局歯髄の中の血液成分中のヘモグロビン成分のために濃厚な灰色でも酷い場合黒く変色した歯を意味する。
知覚過敏予防または治療剤としてSuperSeal(Phoenix Dental,USA)の歯表面微細孔封鎖に対する機能を評価するために、失活歯を利用して、象牙細管密封効果を電子顕微鏡で観察した。
図3及び図5の写真を対象にして、画像分析(Image Analysis)を実施した後、下記数式(I)を利用して、実施例1の歯知覚過敏防止用液状組成物及び現在市販されている知覚過敏防止用処置剤であるSuperSeal(Phoenix Dental,USA)による象牙細孔閉鎖率を計算した。象牙細孔閉鎖率はTomoro Scope Eye(Tomoro,Korea)プログラムを利用して測定した。
象牙細孔閉鎖率=(閉鎖された象牙細孔の閉鎖面積の合計/全象牙細孔の面積の合計)×100-----------------------------------(I)
本発明による歯知覚過敏防止用組成物が歯知覚過敏の防止に優れた効果を示すことを確認することができた。
Claims (17)
- 次を含む歯知覚過敏防止用組成物:
歯コーティング用粘着性高分子、知覚過敏防止用活性物質、前記知覚過敏防止用活性物質の透過を促進させる物質、敏感神経緩和用活性物質及びpH調節剤。 - 前記歯コーティング用粘着性高分子100重量部に対して、前記知覚過敏防止用活性物質2〜3重量部、前記知覚過敏防止用活性物質の透過を促進させる物質2〜10重量部、前記敏感神経緩和用活性物質4〜10重量部及びpH調節剤2〜3重量部を含む請求項1に記載の歯知覚過敏防止用組成物。
- 前記歯コーティング用粘着性高分子はヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、ポリビニルアルコール、ポリビニルピロリドン類、ヒドロキシプロピルセルロース、ポリアクリル酸誘導体のカルボマー、メチルビニルエーテルと無水マレイン酸との共重合体及びポリエチレンオキシドからなる群より選択される一つ以上である請求項1に記載の歯知覚過敏防止用組成物。
- 前記ポリビニルピロリドン類は、ポリビニルピロリドン(K=12)、ポリビニルピロリドン(K=15)、ポリビニルピロリドン(K=17)、ポリビニルピロリドン(K=25)、ポリビニルピロリドン(K=30)、ポリビニルピロリドン(K=60)、ポリビニルピロリドン(K=90)及びポリビニルピロリドン(K=120)からなる群より選択される一つ以上である請求項3に記載の歯知覚過敏防止用組成物。
- 前記知覚過敏防止用活性物質は、硝酸カリウム、フルオロ化スズ(SnF2)、モノフルオロリン酸ナトリウム(MFP)、塩化フッ素(NaF)、ケイフッ化ナトリウム(Na2SiF6)、水酸化カルシウム(Ca(OH)2)、シュウ酸カリウム(K2C2O4)及び塩化ストロンチウム(SrCl2)からなる群より選択される一つ以上である請求項1に記載の歯知覚過敏防止用組成物。
- 前記知覚過敏防止用活性物質の透過を促進する物質は、アルギニンの含有量が80〜90%であるペプチドである請求項1に記載の歯知覚過敏防止用組成物。
- 前記アルギニンの含有量が80〜90%であるペプチドは、TAT、ペネトラチン、ポリリジン、ポリアルギニン及びプロタミン断片からなる群より選択される一つ以上である請求項6に記載の歯知覚過敏防止用組成物。
- 前記敏感神経緩和用活性物質は塩類、硝酸カリウム及び塩化ストロンチウムからなる群より選択される一つ以上である請求項1に記載の歯知覚過敏防止用組成物。
- 前記塩類は水酸化カリウム、水酸化マグネシウム、塩化ナトリウム、燐酸カルシウム、硝酸銀及びクエン酸ナトリウムからなる群より選択される一つ以上である請求項8に記載の歯知覚過敏防止用組成物。
- 前記pH調節剤は2ナトリウムリン酸塩、3ナトリウムリン酸塩、ピロ燐酸ナトリウム、ピロ燐酸カリウム、炭酸水素ナトリウム、水酸化カリウム、水酸化アンモニウム、トリエタノールアミン、クエン酸、クエン酸ナトリウム及び水酸化ナトリウムからなる群より選択される一つ以上である請求項1に記載の歯知覚過敏防止用組成物。
- 前記知覚過敏防止用組成物はpH4.0〜11.0である請求項1に記載の歯知覚過敏防止用組成物。
- 前記歯知覚過敏防止用組成物は、甘味剤及び/または香料をさらに含む請求項1に記載の歯知覚過敏防止用組成物。
- 前記甘味剤はソルビトール、マンニトール、キシリトール、ステビオサイド及びサッカリンからなる群より選択される一つ以上である請求項12に記載の歯知覚過敏防止用組成物。
- 前記香料はメントール、ペパーミントオイル、L−メンソール及び桂皮酸からなる群より選択される一つ以上である請求項12に記載の歯知覚過敏防止用組成物。
- 前記歯知覚過敏防止用組成物は、ゲルまたは液状である請求項1に記載の歯知覚過敏防止用組成物。
- 次の工程を含む、請求項1に記載の歯知覚過敏防止用組成物を製造する方法:
(a)歯コーティング用粘着性高分子を揮発性溶媒に溶解させる工程、
(b)前記工程(a)の揮発性溶媒に溶解した歯コーティング用粘着性高分子と、知覚過敏防止用活性物質、前記知覚過敏防止用活性物質の透過を促進させる物質及び敏感神経緩和用活性物質とを混合させる工程、
(c)前記工程(b)の混合物にpH調節剤を添加してpHを調節する工程、及び
(d)前記工程(c)でpHが調節された混合物をろ過させて、不純物を除去する工程。 - 前記工程(a)の揮発性溶媒はエタノール、メタノール及びブタノールからなる群より選択される一つ以上であることを特徴とする請求項16に記載の方法。
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KR101956579B1 (ko) | 2018-05-09 | 2019-03-11 | 주식회사 하이센스바이오 | 상아질 지각과민증 완화를 위한 치약 조성물 |
KR101956578B1 (ko) | 2018-05-09 | 2019-03-11 | 주식회사 하이센스바이오 | 상아질 지각과민증 완화를 위한 구강 청결용 조성물 |
WO2019234633A1 (en) | 2018-06-06 | 2019-12-12 | 3M Innovative Properties Company | Two-part dental sealant, method of applying with a syringe device, and kit |
KR20220107991A (ko) | 2021-01-26 | 2022-08-02 | 주식회사 마루치 | 구강질환 예방 또는 치료 용도의 구강용 조성물 |
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US20110213036A1 (en) | 2011-09-01 |
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CA2739939A1 (en) | 2010-04-15 |
CN102227203A (zh) | 2011-10-26 |
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