JP7428359B2 - Mouthpiece and teeth whitening method - Google Patents
Mouthpiece and teeth whitening method Download PDFInfo
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- JP7428359B2 JP7428359B2 JP2019083758A JP2019083758A JP7428359B2 JP 7428359 B2 JP7428359 B2 JP 7428359B2 JP 2019083758 A JP2019083758 A JP 2019083758A JP 2019083758 A JP2019083758 A JP 2019083758A JP 7428359 B2 JP7428359 B2 JP 7428359B2
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- 230000002087 whitening effect Effects 0.000 title claims description 66
- 238000000034 method Methods 0.000 title description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 37
- 239000003814 drug Substances 0.000 claims description 21
- 210000000214 mouth Anatomy 0.000 claims description 16
- 239000003566 sealing material Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 210000004195 gingiva Anatomy 0.000 claims description 8
- 210000004513 dentition Anatomy 0.000 claims description 7
- 230000036346 tooth eruption Effects 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 3
- 229940079593 drug Drugs 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 229920000137 polyphosphoric acid Polymers 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 239000000645 desinfectant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000028169 periodontal disease Diseases 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Description
本発明は、歯のホワイトニング（漂白）に用いられるマウスピースとこれを用いた歯のホワイトニング方法に関する。 The present invention relates to a mouthpiece used for teeth whitening (bleaching) and a teeth whitening method using the mouthpiece.
歯周病の予防法の１つに、薬剤を用いた殺菌を定期的に行う方法がある。そして、この殺菌を行う方法として、特許文献１，２には、個人の歯列に合わせて作製されたマウスピースの内側に殺菌消毒剤を塗布し、この殺菌消毒剤が塗布されたマウスピースを歯列および歯肉を覆うように口腔内の所定位置に装着する方法が提案されている。 One of the methods of preventing periodontal disease is to regularly perform sterilization using drugs. As a method for performing this sterilization, Patent Documents 1 and 2 disclose that a sterilizing disinfectant is applied to the inside of a mouthpiece made to match an individual's dentition, and the mouthpiece coated with this sterilizing disinfectant is used. A method has been proposed in which the device is attached to a predetermined position in the oral cavity so as to cover the dentition and gums.
ところで、歯の審美治療の１つに、歯をホワイトニングによって白くするものがあり、このホワイトニングにおいても、前記特許文献１，２に記載された発明と同様に、内側にホワイトニング剤が塗布または充填されたマウスピースを歯列および歯肉を覆うように口腔内の所定位置に装着する方法が考えられる。 By the way, one of the aesthetic treatments for teeth is to whiten the teeth by whitening, and in this whitening as well, a whitening agent is applied or filled inside the teeth, similar to the inventions described in Patent Documents 1 and 2. One possible method is to attach a mouthpiece to a predetermined position in the oral cavity so as to cover the dentition and gums.
ところが、歯をホワイトニングする方法として、例えば、ホワイトニング剤（漂白剤）が内側に塗布または充填されたマウスピースを口腔内の所定位置に装着する方法を用いる場合、ホワイトニング剤の化学反応によって例えばポリリン酸などのガスが発生する。このため、このガスの圧力によってホワイトニング剤がマウスピースの外部へと漏れ出し、ホワイトニング剤による歯のホワイトニング効果が弱まってしまうという特有の問題がある。 However, when using a method of whitening teeth, for example, by attaching a mouthpiece with a whitening agent (bleaching agent) coated or filled inside to a predetermined position in the oral cavity, the chemical reaction of the whitening agent causes the whitening agent to absorb, for example, polyphosphoric acid. Gases such as these are generated. Therefore, there is a particular problem in that the whitening agent leaks out of the mouthpiece due to the pressure of this gas, weakening the teeth whitening effect of the whitening agent.
本発明は、上記問題に鑑みてなされたもので、その目的は、歯を白くするホワイトニング剤の外部への流出を防いで高いホワイトニング効果を得ることができるマウスピースとこれを用いた歯のホワイトニング方法を提供することにある。 The present invention has been made in view of the above-mentioned problems, and its purpose is to provide a mouthpiece that can obtain a high whitening effect by preventing the whitening agent from leaking out to the outside, and to whiten teeth using the mouthpiece. The purpose is to provide a method.
上記目的を達成するため、本発明に係るマウスピース（１）は、歯列（１１）および歯肉（１２）を覆うように口腔内の所定位置に装着可能な平面視Ｕ字状の中空部材であって、開口部周縁部（１Ａ）が歯頸部歯肉ライン（Ｌ）よりも前記歯肉（１２）側へと延び、装着時において、前記歯肉（１２）との間に密封空間（Ｓ１）を形成する第１の凹溝（１ｂ）を前記開口部周縁部（１Ａ）の内周面に形成するとともに、前記歯列（１１）との間に薬剤スペース（Ｓ２）を形成する第２の凹溝（１ｃ）を前記開口部周縁部（１Ａ）以外の部位（１Ｂ）の内周面に形成して成ることを特徴とする。 In order to achieve the above object, the mouthpiece (1) according to the present invention is a hollow member that is U-shaped in plan view and can be attached to a predetermined position in the oral cavity so as to cover the dentition (11) and the gums (12). The opening peripheral portion (1A) extends toward the gingiva (12) side from the cervical gingival line (L), and creates a sealed space (S1) between the gingiva (12) and the gingiva (12) when worn. A first groove (1b) is formed on the inner circumferential surface of the opening peripheral portion (1A), and a second groove is formed between the tooth row (11) and a drug space (S2). It is characterized in that a groove (1c) is formed on the inner circumferential surface of a portion (1B) other than the opening peripheral portion (1A).
また、本発明に係る歯のホワイトニング方法は、前記マウスピース（１）を用いて歯をホワイトニングする方法であって、口腔内に装着された前記マウスピース（１）と前記歯肉（１２）との間に形成された前記密封空間（Ｓ１）内にジェル状の密封材（Ｆ）を充填するとともに、同マウスピース（１）と前記歯列（１１）との間に形成された前記薬剤スペース（Ｓ２）にホワイトニング剤（Ｇ）を充填することを特徴とする。 Moreover, the teeth whitening method according to the present invention is a method for whitening teeth using the mouthpiece (1), which comprises a method for whitening teeth using the mouthpiece (1) and the gums (12) that are attached to the oral cavity. A gel-like sealing material (F) is filled into the sealed space (S1) formed between the mouthpiece (1) and the dentition (11), and the medicine space (S1) formed between the mouthpiece (1) and the row of teeth (11) is S2) is characterized by being filled with a whitening agent (G).
本発明に係るマウスピースを用いて実施される本発明に係る歯のホワイトニング方法によれば、口腔内に装着されたマウスピースと歯肉との間に形成される密封空間にジェル状の密封材を充填したため、マウスピースと歯列との間に形成された薬剤スペースに充填されたホワイトニング剤の外部への流出が密封材によって確実に防がれる。つまり、ホワイトニング剤の化学反応によって発生するガスによって薬剤スペースの内圧が高まっても、薬剤スペースに充填されたホワイトニング剤のマウスピース外への漏れ出しが確実に防がれ、ホワイトニング剤による歯のホワイトニング効果が高められる。 According to the teeth whitening method according to the present invention, which is carried out using the mouthpiece according to the present invention, a gel-like sealing material is applied to the sealed space formed between the mouthpiece attached to the oral cavity and the gums. Because of the filling, the sealant reliably prevents the whitening agent filled in the medicine space formed between the mouthpiece and the dentition from leaking to the outside. In other words, even if the internal pressure of the drug space increases due to the gas generated by the chemical reaction of the whitening agent, the whitening agent filled in the drug space is reliably prevented from leaking out of the mouthpiece, and the whitening agent can effectively whiten your teeth. The effect is enhanced.
そして、本発明に係る歯のホワイトニング方法においては、装着前の前記マウスピース（１）の前記第１の凹溝（１ｂ）に前記密封材（Ｆ）を充填するとともに、同マウスピース（１）の前記第２の凹溝（１ｃ）に前記ホワイトニング剤（Ｇ）を充填した後、前記マウスピース（１）を口腔内の所定位置に装着するようにしてもよい。 In the teeth whitening method according to the present invention, the first groove (1b) of the mouthpiece (1) is filled with the sealing material (F) before being worn, and the mouthpiece (1) is After filling the second groove (1c) with the whitening agent (G), the mouthpiece (1) may be attached to a predetermined position in the oral cavity.
或いは、前記マウスピース（１）を装着する前に、前記歯列（１１）の表面に前記ホワイトニング剤（Ｇ）を塗布した後、前記第１の凹溝（１ｂ）に前記密封材（Ｆ）が充填された前記マウスピース（１）を口腔内の所定位置に装着するようにしてもよい。 Alternatively, before wearing the mouthpiece (1), after applying the whitening agent (G) to the surface of the tooth row (11), the sealing material (F) is applied to the first groove (1b). The mouthpiece (1) filled with the above-mentioned mouthpiece (1) may be attached to a predetermined position in the oral cavity.
本発明によれば、歯を白くするホワイトニング剤のマウスピース外への流出が防がれて高いホワイトニング効果を得ることができるという効果が得られる。 According to the present invention, it is possible to prevent the whitening agent for whitening the teeth from flowing out of the mouthpiece, thereby achieving a high whitening effect.
以下に本発明の実施の形態を添付図面に基づいて説明する。 Embodiments of the present invention will be described below based on the accompanying drawings.
［マウスピース］
まず、本発明に係るマウスピースの構成を図１および図２に基づいて以下に説明する。
[Mouthpiece]
First, the structure of the mouthpiece according to the present invention will be explained below based on FIGS. 1 and 2.
図１は本発明に係るマウスピースの斜視図、図２は図１のＡ－Ａ線断面図であり、図示のマウスピース１は、被施術者の歯列１１および歯肉１２（図２参照）を覆うように口腔内の所定位置に装着可能な平面視Ｕ字状の中空部材であって、図２に示すように、その開口部周縁部１Ａが歯頸部歯肉ライン（歯列と歯肉との境目にライン）Ｌよりも歯肉１２側（図２の下方）へと延びている。 FIG. 1 is a perspective view of a mouthpiece according to the present invention, and FIG. 2 is a cross-sectional view taken along the line AA in FIG. It is a U-shaped hollow member in a plan view that can be attached to a predetermined position in the oral cavity so as to cover the opening, and as shown in FIG. line) extends toward the gingiva 12 side (downward in FIG. 2) from the line) L.
また、マウスピース１の開口部周縁部（歯頸部歯肉ラインＬに近い部分）１Ａの内周面には、リブ状の凸部１ａが全周に亘って一体に突設されている。そして、このマウスピース１には、これを図２に示すように被施術者の口腔内の所定位置に装着した状態において、歯肉１２との間に密封空間Ｓ１を形成する第１の凹溝１ｂが開口部周縁部１Ａの内周面に形成されるとともに、歯列１１との間に薬剤スペースＳ２を形成する第２の凹溝１ｃが開口部周縁部１Ａ以外の部位（図２において開口部周縁部１Ａよりも上方に位置する部位）１Ｂの内周面に形成されている。すなわち、マウスピース１の内周面には、凸部１ａを境としてこれの下側（図２の下側）に第１の凹溝１ｂが形成され、上側（図２の上側）に第２の凹溝１ｃが形成されている。ここで、マウスピース１は、ポリエチレン、ポリカーボネート、エチレンビニルアセテート（ＥＶＡ）などの熱可塑性樹脂によって構成されており、その製造方法については公知であるため、これについての説明は省略する。 Further, a rib-shaped convex portion 1a is integrally provided on the inner circumferential surface of the opening peripheral portion (portion close to the cervical and gingival line L) 1A of the mouthpiece 1 so as to protrude over the entire circumference. The mouthpiece 1 has a first groove 1b that forms a sealed space S1 between the mouthpiece 1 and the gums 12 when the mouthpiece 1 is attached to a predetermined position in the mouth of the patient as shown in FIG. is formed on the inner circumferential surface of the opening peripheral edge 1A, and a second groove 1c forming a drug space S2 between the teeth 11 is formed in a region other than the opening peripheral edge 1A (in FIG. 2, the opening It is formed on the inner circumferential surface of the portion 1B located above the peripheral edge 1A. That is, on the inner circumferential surface of the mouthpiece 1, a first groove 1b is formed on the lower side (lower side in FIG. 2) with the convex portion 1a as a boundary, and a second groove 1b is formed on the upper side (upper side in FIG. 2). A concave groove 1c is formed. Here, the mouthpiece 1 is made of a thermoplastic resin such as polyethylene, polycarbonate, or ethylene vinyl acetate (EVA), and the manufacturing method thereof is well known, so a description thereof will be omitted.
［歯のホワイトニング方法］
次に、以上のように構成されたマウスピース１を用いて実施される本発明に係る歯のホワイトニング方法について説明する。
[Teeth whitening method]
Next, a tooth whitening method according to the present invention that is carried out using the mouthpiece 1 configured as described above will be described.
＜実施の形態１＞
図３（ａ），（ｂ）は本発明に係る歯のホワイトニング方法の実施の形態１をその工程順に示す歯列と歯肉およびマウスピースの縦断面図である。
<Embodiment 1>
FIGS. 3(a) and 3(b) are longitudinal cross-sectional views of a row of teeth, gums, and a mouthpiece showing the first embodiment of the tooth whitening method according to the present invention in the order of steps.
本実施の形態においては、マウスピース１を図３（ｂ）に示すように被施術者の口腔内に装着する前に、図３（ａ）に示すように、該マウスピース１の内周面に形成された第１の凹溝１ｂにワセリン（登録商標）などのジェル状の密封材Ｆを充填する。また、図３（ａ）に示すように、装着前のマウスピース１の内周面に形成された第２の凹溝１ｃにホワイトニング剤Ｇを充填する。そして、その後、マウスピース１を図３（ｂ）に示すように口腔内の所定位置に装着する。 In this embodiment, as shown in FIG. 3(a), before the mouthpiece 1 is installed in the oral cavity of the patient as shown in FIG. 3(b), the inner circumferential surface of the mouthpiece 1 is A gel-like sealing material F such as Vaseline (registered trademark) is filled into the first groove 1b formed in the first groove 1b. Further, as shown in FIG. 3(a), the whitening agent G is filled into the second groove 1c formed on the inner circumferential surface of the mouthpiece 1 before mounting. Then, the mouthpiece 1 is attached to a predetermined position in the oral cavity as shown in FIG. 3(b).
すると、図３（ｂ）に示すように、マウスピース１の第１の凹溝１ｂと歯肉１２との間に形成される密封空間Ｓ１が密封材Ｆによって密封されるとともに、同マウスピース１の第２の凹溝１ｃとの間に形成される薬剤スペースＳ２にホワイトニング剤Ｇが充填される。 Then, as shown in FIG. 3(b), the sealed space S1 formed between the first groove 1b of the mouthpiece 1 and the gum 12 is sealed by the sealing material F, and the The whitening agent G is filled into the medicine space S2 formed between the whitening agent and the second groove 1c.
ここで、ホワイトニング剤Ｇとしては、例えば分割ポリリン酸Ｎａなどを含有するものが使用され、このホワイトニング剤Ｇによって歯の表面や内部の色素が化学反応によって分解され、歯の明るさ（明度）が高められて歯が白く漂白される。また、このホワイトニング剤Ｇのコーティング作用によって、歯の表面がガラス化され、透明感のある白い歯となるとともに、歯の黄ばみの原因となるステインやヤニの再付着が防がれて歯の白さが持続する。 Here, as the whitening agent G, one containing, for example, split polyphosphate Na is used, and this whitening agent G decomposes the pigment on the surface and inside of the teeth through a chemical reaction, and the brightness (brightness) of the teeth is reduced. It is enhanced and teeth are bleached white. In addition, due to the coating effect of this whitening agent G, the surface of the teeth becomes vitrified, resulting in transparent white teeth, and prevents the reattachment of stains and tar that cause yellowing of teeth, resulting in whiter teeth. The feeling lasts.
ところで、ホワイトニング剤Ｇの化学反応によってポリリン酸などのガスが発生するが、このガスの発生によって薬剤スペースＳ２の内圧が上昇する。このため、従来のマウスピースにおいては、薬剤スペースに充填されたホワイトニング剤がマウスピース外へと漏れ出し、このホワイトニング剤による歯のホワイトニング効果が弱められるという問題が発生することは前述の通りである。 By the way, gas such as polyphosphoric acid is generated by the chemical reaction of the whitening agent G, and the internal pressure of the drug space S2 increases due to the generation of this gas. For this reason, as mentioned above, with conventional mouthpieces, the whitening agent filled in the drug space leaks out of the mouthpiece, weakening the teeth whitening effect of this whitening agent. .
これに対して、本発明に係るマウスピース１を用いた本実施の形態に係る歯のホワイトニング方法によれば、マウスピース１と歯肉１２との間に形成される密封空間Ｓ１に密封材Ｆが充填されるため、ポリリン酸などのガスが発生したために薬剤スペースＳ２の内圧が上昇しても、この薬剤スペースＳ２に充填されたホワイトニング剤Ｇのマウスピース１外への漏れ出しが密封材Ｆによって確実に防がれる。このため、マウスピース１と歯肉１２との間の薬剤スペースＳ２に充填されたホワイトニング剤Ｇの量が不足することがなく、薬剤スペースＳ２には必要十分な量のホワイトニング剤Ｇが確保され、このホワイトニング剤Ｇによる高いホワイトニング効果が維持される。 On the other hand, according to the tooth whitening method according to the present embodiment using the mouthpiece 1 according to the present invention, the sealing material F is placed in the sealed space S1 formed between the mouthpiece 1 and the gums 12. Therefore, even if the internal pressure of the medicine space S2 increases due to the generation of gas such as polyphosphoric acid, the sealing material F prevents the whitening agent G filled in the medicine space S2 from leaking out of the mouthpiece 1. Definitely prevented. Therefore, the amount of whitening agent G filled in the medicine space S2 between the mouthpiece 1 and the gums 12 does not run out, and a necessary and sufficient amount of whitening agent G is secured in the medicine space S2. The high whitening effect of the whitening agent G is maintained.
＜実施の形態２＞
次に、本発明に係る歯のホワイトニング方法の実施の形態２を図４（ａ），（ｂ）に基づいて以下に説明する。
<Embodiment 2>
Next, a second embodiment of the tooth whitening method according to the present invention will be described below based on FIGS. 4(a) and 4(b).
図４（ａ），（ｂ）は本発明に係る歯のホワイトニング方法の実施の形態２をその工程順に示す歯列と歯肉およびマウスピースの縦断面図であり、本図においては、図３（ａ），（ｂ）に示したものと同一要素には同一符号を付しており、以下、それらについての再度の説明は省略する。 FIGS. 4(a) and 4(b) are longitudinal cross-sectional views of the tooth row, gingiva, and mouthpiece showing the second embodiment of the tooth whitening method according to the present invention in the order of steps. The same elements as those shown in a) and (b) are given the same reference numerals, and their explanation will be omitted below.
本実施の形態においては、図４（ａ）に示すように、 マウスピース１を装着する前に、歯列１１の表面にホワイトニング剤Ｇを塗布した後、マウスピース１の第１の凹溝１ｂに予め密封材Ｆが充填されたマウスピース１を図４（ｂ）に示すように口腔内の所定位置に装着するようにしている。 In this embodiment, as shown in FIG. 4(a), before wearing the mouthpiece 1, the whitening agent G is applied to the surface of the tooth row 11, and then the first groove 1b of the mouthpiece 1 is applied. A mouthpiece 1 filled with a sealant F in advance is attached to a predetermined position in the oral cavity as shown in FIG. 4(b).
上記ホワイトニング方法においても、前記実施の形態１に係るホワイトニング方法と同様に、マウスピース１と歯肉１２との間に形成される密封空間Ｓ１に密封材Ｆが充填されるため、ポリリン酸などのガスが発生したために薬剤スペースＳ２の内圧が上昇しても、この薬剤スペースＳ２に充填されたホワイトニング剤Ｇのマウスピース１外への漏れ出しが密封材Ｆによって確実に防がれる。このため、マウスピース１と歯肉１２との間の薬剤スペースＳ２に充填されたホワイトニング剤Ｇの量が不足することがなく、薬剤スペースＳ２には必要十分な量のホワイトニング剤Ｇが確保され、このホワイトニング剤Ｇによる高いホワイトニング効果が維持される。 In the above-mentioned whitening method, similarly to the whitening method according to the first embodiment, since the sealed space S1 formed between the mouthpiece 1 and the gums 12 is filled with the sealing material F, a gas such as polyphosphoric acid or the like is used. Even if the internal pressure of the medicine space S2 increases due to the occurrence of this, the sealing material F reliably prevents the whitening agent G filled in the medicine space S2 from leaking out of the mouthpiece 1. Therefore, the amount of whitening agent G filled in the medicine space S2 between the mouthpiece 1 and the gums 12 does not run out, and a necessary and sufficient amount of whitening agent G is secured in the medicine space S2. The high whitening effect of the whitening agent G is maintained.
なお、歯のホワイトニング方法の他の実施形態としては、マウスピース１を装着する前に、歯列１１の表面にホワイトニング剤Ｇを塗布し、歯肉１２の表面の一部に密封材Ｆを予め塗布しておき、その後にマウスピース１を被施術者の口腔内に装着する方法も考えられるが、この方法は現実性に乏しいものと考えられる。 In addition, as another embodiment of the teeth whitening method, before wearing the mouthpiece 1, the whitening agent G is applied to the surface of the row of teeth 11, and the sealing material F is applied in advance to a part of the surface of the gingiva 12. Although it is conceivable to put the mouthpiece 1 in place and then attach the mouthpiece 1 to the patient's oral cavity, this method is considered to be impractical.
その他、本発明は、以上説明した実施の形態に適用が限定されるものではなく、特許請求の範囲および明細書と図面に記載された技術的思想の範囲内で種々の変形が可能である。 In addition, the application of the present invention is not limited to the embodiments described above, and various modifications can be made within the scope of the claims and the technical idea described in the specification and drawings.
１ マウスピース
１Ａ マウスピースの開口部周縁部
１Ｂ マウスピースの開口部周縁部以外の部位
１ａ マウスピースの凸部
１ｂ マウスピースの第１の凹溝
１ｃ マウスピースの第２の凹溝
１１ 歯列
１２ 歯肉
Ｆ 密封材
Ｇ ホワイトニング剤
Ｌ 歯頸部歯肉ライン
Ｓ１ 密封空間
Ｓ２ 薬剤スペース
1 Mouthpiece 1A Mouthpiece opening periphery 1B Mouthpiece other than the opening periphery 1a Mouthpiece convex 1b Mouthpiece first groove 1c Mouthpiece second groove 11 Teeth row 12 Gingiva F Sealing material G Whitening agent L Cervical and gingival line S1 Sealed space S2 Drug space
Claims (3)
前記側壁は、当該側壁の内周面の全周に亘って突設されたリブ状の凸部と、前記凸部から前記開口端まで延在する開口部周縁部と、を備え、
前記側壁の内周面は、前記凸部を境として、前記開口端側に第１の凹溝を有し、前記閉鎖端側に第２の凹溝を有し、
前記口腔内の所定位置への装着時において、
前記開口部周縁部は、歯頸部歯肉ラインから前記歯肉側へと延び、
前記第１の凹溝は、当該第１の凹溝と前記歯肉とにより画定される密封空間を形成し、ジェル状の密封材を充填可能に構成され、
前記第２の凹溝は、当該第２の凹溝と前記歯列とにより画定される、薬剤を収容可能な薬剤スペースを形成し、ホワイトニング剤を充填可能に構成された
ことを特徴とするマウスピース。 A mouthpiece that has an open end, a closed end, and a side wall connecting the open end and the closed end, and can be worn at a predetermined position in the oral cavity so as to cover the dentition and gums,
The side wall includes a rib-shaped convex portion that protrudes over the entire circumference of the inner peripheral surface of the side wall, and an opening peripheral edge that extends from the convex portion to the opening end,
The inner circumferential surface of the side wall has a first groove on the open end side and a second groove on the closed end side, with the convex portion as a boundary,
When installed at a predetermined position in the oral cavity,
The peripheral edge of the opening extends from the cervical gingival line to the gingival side,
The first groove forms a sealed space defined by the first groove and the gingiva, and is configured to be able to be filled with a gel-like sealant,
The second groove is defined by the second groove and the row of teeth, and is configured to form a medicine space capable of accommodating a medicine, and can be filled with a whitening agent.
A mouthpiece characterized by:
前記第２の凹溝に前記ホワイトニング剤が充填された
ことを特徴とする請求項１に記載のマウスピース。 the first groove is filled with the sealing material;
The mouthpiece according to claim 1, wherein the second groove is filled with the whitening agent.
ことを特徴とする請求項１に記載のマウスピース。 The mouthpiece according to claim 1 , wherein the first groove is filled with the sealing material.
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