TW200817016A - Novel composition - Google Patents
Novel composition Download PDFInfo
- Publication number
- TW200817016A TW200817016A TW096131100A TW96131100A TW200817016A TW 200817016 A TW200817016 A TW 200817016A TW 096131100 A TW096131100 A TW 096131100A TW 96131100 A TW96131100 A TW 96131100A TW 200817016 A TW200817016 A TW 200817016A
- Authority
- TW
- Taiwan
- Prior art keywords
- composition
- titanium dioxide
- coated
- tooth
- enamel
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 64
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 50
- 208000004188 Tooth Wear Diseases 0.000 claims abstract description 15
- 230000003628 erosive effect Effects 0.000 claims abstract description 13
- -1 fluoride ions Chemical class 0.000 claims abstract description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 32
- 239000002253 acid Substances 0.000 claims description 31
- 239000002105 nanoparticle Substances 0.000 claims description 28
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 23
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 15
- 239000000551 dentifrice Substances 0.000 claims description 15
- 235000011187 glycerol Nutrition 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 210000004268 dentin Anatomy 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 13
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 12
- 239000010455 vermiculite Substances 0.000 claims description 11
- 229910052902 vermiculite Inorganic materials 0.000 claims description 11
- 235000019354 vermiculite Nutrition 0.000 claims description 11
- 238000005299 abrasion Methods 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 7
- 229920002125 Sokalan® Polymers 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 5
- 239000000043 antiallergic agent Substances 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229920005862 polyol Polymers 0.000 claims description 4
- 150000003077 polyols Chemical class 0.000 claims description 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 159000000007 calcium salts Chemical class 0.000 claims description 3
- 235000010418 carrageenan Nutrition 0.000 claims description 3
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- 229940113118 carrageenan Drugs 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000000600 sorbitol Substances 0.000 claims description 3
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- 239000000811 xylitol Substances 0.000 claims description 3
- 235000010447 xylitol Nutrition 0.000 claims description 3
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 3
- 229960002675 xylitol Drugs 0.000 claims description 3
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 claims description 3
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 claims description 2
- 229930195725 Mannitol Natural products 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 150000008051 alkyl sulfates Chemical class 0.000 claims description 2
- 239000003945 anionic surfactant Substances 0.000 claims description 2
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 2
- 239000000594 mannitol Substances 0.000 claims description 2
- 235000010355 mannitol Nutrition 0.000 claims description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 239000003814 drug Substances 0.000 claims 1
- 239000007800 oxidant agent Substances 0.000 claims 1
- 239000000546 pharmaceutical excipient Substances 0.000 claims 1
- 125000005496 phosphonium group Chemical group 0.000 claims 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 8
- 208000002925 dental caries Diseases 0.000 abstract description 4
- 230000002087 whitening effect Effects 0.000 abstract description 2
- 210000003298 dental enamel Anatomy 0.000 description 41
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 12
- 239000000725 suspension Substances 0.000 description 12
- 238000011282 treatment Methods 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000007900 aqueous suspension Substances 0.000 description 9
- 229940091249 fluoride supplement Drugs 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 7
- 239000011707 mineral Substances 0.000 description 7
- 235000010755 mineral Nutrition 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000011775 sodium fluoride Substances 0.000 description 6
- 235000013024 sodium fluoride Nutrition 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 201000002170 dentin sensitivity Diseases 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- 239000000120 Artificial Saliva Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 4
- 238000005115 demineralization Methods 0.000 description 4
- 230000002328 demineralizing effect Effects 0.000 description 4
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 4
- 230000003902 lesion Effects 0.000 description 4
- 210000003296 saliva Anatomy 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000000606 toothpaste Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910001515 alkali metal fluoride Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 229960001631 carbomer Drugs 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 244000131522 Citrus pyriformis Species 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 208000002599 Smear Layer Diseases 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
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- 229910003460 diamond Inorganic materials 0.000 description 2
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- 150000002013 dioxins Chemical class 0.000 description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
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- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
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- VZXTWGWHSMCWGA-UHFFFAOYSA-N 1,3,5-triazine-2,4-diamine Chemical compound NC1=NC=NC(N)=N1 VZXTWGWHSMCWGA-UHFFFAOYSA-N 0.000 description 1
- UBLAMKHIFZBBSS-UHFFFAOYSA-N 3-Methylbutyl pentanoate Chemical compound CCCCC(=O)OCCC(C)C UBLAMKHIFZBBSS-UHFFFAOYSA-N 0.000 description 1
- XGRSAFKZAGGXJV-UHFFFAOYSA-N 3-azaniumyl-3-cyclohexylpropanoate Chemical compound OC(=O)CC(N)C1CCCCC1 XGRSAFKZAGGXJV-UHFFFAOYSA-N 0.000 description 1
- 208000010444 Acidosis Diseases 0.000 description 1
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- 241000206575 Chondrus crispus Species 0.000 description 1
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- HLCFGWHYROZGBI-JJKGCWMISA-M Potassium gluconate Chemical compound [K+].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O HLCFGWHYROZGBI-JJKGCWMISA-M 0.000 description 1
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Classifications
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/29—Titanium; Compounds thereof
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- A—HUMAN NECESSITIES
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/34—Alcohols
- A61K8/345—Alcohols containing more than one hydroxy group
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- A—HUMAN NECESSITIES
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- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- A61K8/817—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions or derivatives of such polymers, e.g. vinylimidazol, vinylcaprolactame, allylamines (Polyquaternium 6)
- A61K8/8176—Homopolymers of N-vinyl-pyrrolidones. Compositions of derivatives of such polymers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Cosmetics (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
200817016 九、發明說明: 【發明所屬之技術領域】 本發明係關於-種用於抗擊(亦即有助於預防、抑制及/ 或治療)牙酸侵蝕症及/或牙齒磨損之包含奈米顆粒二氧化 鈦,視情況連同氟離子源之口腔護理組合物。另外,該等 組合物亦可具有牙齒增白之益處。當敗離子源存在時,該 等組合物亦具有抗擊齲齒之益處。 【先前技術】 牙齒礦物質主要由羥基磷灰石鈣Caio(p〇4)6(OH)2組成, 其可部分地經諸如碳酸根或氟離子之陰離子及諸如辞或鎂 之陽離子所取代。牙齒礦物質亦可含有諸如磷酸八鈣及碳 酸鈣之非磷灰石礦物相。 牙齒損耗可由於齲齒而發生,齲齒係一種多因性疾病, 其中諸如乳酸之細菌酸產生並不完全再礦化之表面下去礦 化作用,導致進行性組織損耗且最終導致空腔形成。牙菌 斑生物膜之存在係麟齒之先決條件,且當諸如蔗糖之易於 醱酵性碳水化合物之含量增加歷時延長之時期時,諸如變 異鏈球菌⑺cc似卿?“似)之產酸細菌可變得具病原 性。 即使不存在疾病,亦可由於酸侵蝕及/或物理性牙齒磨 損而發生牙齒硬組織損耗;咸信該等過程協同地起作用。 牙齒硬組織暴露於酸導致去礦化,導致表面軟化及礦物質 禮度降低。在正常生理條件下,經去礦化之組織經由唾液 之再礦化作用而自修復。就鈣及磷酸鹽而言,唾液為過飽 123622.doc 200817016 和的,且在健康個體中,唾液分泌係用以排斥酸攻擊及提 高pH值來改變平衡而有利於礦物質沈積。
牙酸侵蝕症(亦即酸侵蝕或酸磨損)為包括去礦化及最終 牙齒表面完全由非細菌源之酸溶解之表面現象。該酸最通 系係來源於膳食’諸如來自水果或碳酸飲料之檸:樣酸、來 自可樂飲料之磷酸及諸如來自香醋之乙酸。牙酸侵蝕症亦 可由與胃產生之鹽酸(HC1)重複接觸而引發,該鹽酸可經 由諸如胃食道逆流之不自主反應或經由可見於貪食症患者 中之誘導反應而進入口腔。 牙齒磨損(亦即物理性牙齒磨損)係由摩耗及/或磨蝕導 致。當牙齒表面彼此摩擦時發生磨耗,其為一種兩體磨損 幵y式。_種常見之突出實例為在磨牙症受檢者中觀察到之 摩耗,其為一種施力較大之研磨習慣,且其特徵在於加速 磨知’尤其在咬合表面上。磨蝕通常由於三體磨損而發生 且最常見之實例為與牙膏刷洗相關之磨蝕。在牙釉質完全 礦化之情況下,由所購牙膏引起之磨損程度最低且幾乎不 存在或無臨床後果。然而,若牙釉f已因暴露於侵钱性攻 擊中而經去礦化及軟化,則牙釉質變得更易於牙齒磨損。 =較牙釉質軟得多且因此更易於磨損。具有暴露牙質之 ,私者應避免使用高研磨性牙膏,諸如以氧化鋁為主之彼 。X,由侵錄攻擊引起之牙f軟化將增加該組織 對磨損之易感性。 由體㈣常視其位置(亦㈣冠對齒根)而定分別 * 、或牙骨質覆蓋之重要組織。牙質具有較牙轴 123622.doc 200817016 :夕之有機物含ϊ且其結構之特徵在於存在自牙質-牙轴 質表面:戈牙質-牙骨質接合處流至齒質母細胞/牙髓界面之 夜& 9遍…為牙質過敏性之起源係關於經暴露細管 中流體流動之變化(流動力學理論),該㈣化導致對認 為位於接近回貝母細胞’牙髓界面處之機械感受器官產生 刺激。並非所有暴露之牙質均為敏感性的,因為其-般經 一塗抹層覆蓋,該塗抹層為一種主要由衍生自牙質本身之 礦物質及蛋白質組成且含有來自唾液之有機組份的咬合性 混合物。隨時間流逝,細管之内腔可逐漸由礦化組織堵 塞亦充为證明響應於牙髓外傷或化學性刺激而形成修復 性牙質。儘管如此,侵蝕性攻擊仍可移除該塗抹層及細管 塞",造成牙質流體向外流動,使得牙質更易於受諸如 熱、冷及壓力之外界刺激影響。如先前所表明,侵钱性攻 擊亦可使传牙質表面更易於磨損。另外,牙質過敏性隨經 暴露細管直徑之增加而惡化,且因為細管直徑一同沿齒質 母細胞/牙髓界面方向增加,所以進行性牙質磨損可導致 過敏性增加,尤其在牙質快速磨損之情況中。 經由侵餘及/或酸介導之磨損而引起之保護性牙釉質層 之損耗將暴露下層牙質,且因此為牙質過敏性發展中之主 要病因學因素。 已主張增加膳食酸之攝取及偏離正規進餐時間已伴隨有 牙酸侵蝕症及牙齒磨損發病率之升高。鑒於此,有助於預 防牙酸侵蝕症及牙齒磨損之口腔護理組合物將為有利的。 WO 00/59460(Grace)係關於用於牙齒敏感症及去礦化之 123622.doc 200817016 具有0.05微米至3微米範圍内粒度之以無機氧化物為主的 多孔牙粉添加劑。無機氧化物粒子之實例包括si〇2、 Αία》、MgO、Ti02iZr〇2 〇 WO 02/051945(Henkel)係關於具有 1〇 nms1〇〇〇 nm範圍 内平均粒徑之經極性有機表面改良劑塗覆之奈米顆粒二氧 化鈦。該等粒子經描述為適於作為牙齒增亮劑。合適表面 改良劑包括含有至少一種選自羧基、砜基、膦酸基、異氰 基、羥基、胺基或環氧基之官能基的物質及各種矽烷。較 佳表面改良劑包括含有兩種或兩種以上選自羧酸、膦酸、 胺基酸、磺酸之官能基的物質及某些石夕烧。 在以上提及之文獻中不存在關於無機氧化物在保護牙釉 質不受酸侵蝕及/或牙齒磨損中具有任何益處或效用的說 明。 本發明係基於以下發現:奈米顆粒二氧化鈦增強及硬化 牙釉質,藉此知:供防止牙酸侵飿症及/或牙齒磨損之保 護。 【發明内容】 •因此,在第一態樣中,本發明提供奈米顆粒二氧化鈦在 製造用於抗擊牙酸侵蝕症及/或牙齒磨損之口腔護理組合 物中之用途。 二氧化鈦可未經塗覆或可經表面塗覆。 二氧化鈦適當地經增強其與牙齒(牙釉質及牙質)表面親 和性之材料表面塗覆。該表面塗覆材料亦適當地用作分散 劑,當與未經塗覆之奈米粒子懸浮液混合時,其可吸附至 123622.doc 200817016 從而有助於防止其凝聚 元醇或聚乙烯η比嘻唆酮或 其表面上以提供立體或離子障壁 或聚集。 該表面塗覆材料之實例包括多 其衍生物。 在另&樣中,本發明提供—種包含經多元醇或聚乙稀 料錢(ρνρ)或其衍生物表面塗覆之奈米顆^^ 及胺可接又之載劑或賦开》劑的口腔護理組合物。
除抗擊牙酸侵银症及/或牙齒磨損之外,該等組合物可 •用於增白牙齒。 ▲表面塗覆材料適當地為多元醇,其係選自由甘油:丙二 醇聚乙一醇、聚乙烯醇、山梨糖醇、甘露糖醇或木糖醇 或其混合物組成之群之多元醇。 表面塗覆材料適當地為PVP或其衍生物,包括乙稀基吼 略咬乙酸乙烯共聚物(Vp/VA)或乙烯基㈣㈣乙烤醇 (VP/VOH)共聚物或其混合物。 不米顆粒一氧化鈦適當地經甘油或丙二醇表面塗覆。 不米顆粒二氧化鈦適當地經PVP表面塗覆。 ,表面塗覆可藉由塗覆材料與二氧化鈦之共價鍵結或藉由 靜電方式而達成。 在本^明組合物之製備中,未經塗覆之奈米顆粒二氧化 鈦之^浮液適當地可與表面塗覆材料之溶液混合來提供經 塗覆不米粒子之穩定分散液,其可直接使用或將經塗覆之 奈米粒子分離且隨後使用。 、田也用於本發明組合物中之未經塗覆或經表面塗覆 123622.doc 200817016 之奈米顆粒二氧化鈦具有在2 nm至500 nm,更適當地5 nm 至25 0 nm範圍内之平均粒徑。 本發明之組合物適當地包含〇·25% w/w與2〇% 之 間,例如0.5% w/w與10% w/w之間的奈米顆粒二氧化鈦。 奈米顆粒二氧化鈦之表面塗覆具有改良粒子舆牙齒表面 親和性,藉此促進薄膜形成,增加相互黏著作用及延長抗 侵餘及/或抗牙齒磨損行為之持續期間的優勢。 本發明之組合物可另外包含分散劑,該分散劑可吸附至 經塗覆或未經塗覆之奈米粒子表面上以提供立體或離子障 壁,從而有助於防止其凝聚或聚集。合適分散劑為包括溶 解劑或濕潤劑或諸如聚電解質之水溶性聚合物的界面活性 劑。 本發明之組合物可另外包含一定量之可溶性氟離子源, 諸如由諸如氟化鈉之鹼金屬氟化物、諸如單氟磷酸鈉之鹼 金屬單氟磷酸鹽、氟化亞錫或氟化胺提供之彼等氟離子 源,以提供25 ppm至3500 ppm,較佳1〇〇卯瓜至^⑼ppm 之氟離子。合適之氟離子源為諸如氟化鈉之鹼金屬氟化 物,例如該組合物可含有〇.丨重量%至〇 5重量%,例如 0.205重量%(等於927 ppm氟離子)、〇.2542重量%(等於115〇 ppml離子)或0.315重量%(等於1426 ppm氟離子)之氟化 鈉。 氣離子增強牙孝由質之再礦化且削料㈣之去礦化且有 益於抗擊齲齒及/或牙酸侵蝕症。 為治療牙質過敏性,本發明之口腔組合物適當地另外包 123622.doc •10· 200817016 :抗敏里之抗敏』抗敏劑之實例包括細管阻斷劑或神經 抗敏劑及其混合物,例如在w〇 G2/i5謝中所述。合二 敏劑包括諸如氯化勰、乙酸名田七 几 馼‘或硝酸鳃之鳃鹽或諸如稗浐 酸卸、氯化鉀、碳酸氫卸、葡糖酸鉀及尤其頌酸鉀::
本發月之,.且&物將含有諸如研磨劑、界面活性劑、増飼 劑、保濕劑'芳香劑、甜味劑、乳濁劑或著色劑、防腐劑 及水之適當調配劑’該等調配劑係為達該等目的而選自二 常用於口腔護理組合物技術中之彼等調配劑。該等藥劑之 實例係如EP 929287中所述。 本發明之口腔組合物通常以牙膏、喷霧劑、#口劑、凝 膠、口含劑、口嚼錠 '錠劑、片齊卜即溶散劑、口腔條帶 及頰内貼片之形式來調配。 本發明之組合物可藉由將該等成份以適當相對量以任何 便利之次序混合,且若必要調節pH值以得到所要值來製 備。 、 在另一態樣中,可將未經塗覆或經塗覆之奈米顆粒二氧 化鈦併入WO 2006/100071中所述類型之牙粉組合物中,該 專利之内容係以引用的方式併入本文中。 口此本發明另外挺供一種牙粉組合物,該組合物包含 如上文所述之奈米顆粒二氧化鈦、如上文所述之氟離子源 及矽石牙齒研磨劑,該牙粉具有2〇至6〇之相對牙質磨蝕度 (RDA)值及6.5至7.5範圍内之pH值,且不含正磷酸鹽緩衝 劑或Cio-u烷基硫酸鹽之水溶性鹽。 123622.doc -11 - 200817016 斤提及之pH值為當牙粉組合物以組合物與水之間u之 重量比與水—起調成漿料時所量測之pH值。 奈米顆粒二氧化鈦適當地連同如上文所述之分散劑一起 來調配。 本發明之牙粉組合物適當地不包括可降低游離氟離子可 用性之鈣鹽。 合適石夕石牙齒研磨劑之實例包括分別由Huber、 Degussa、Ineos 及 Rh〇dia 以下列商標名稱 Ze〇dent、 Sident、Sorbosil或Tixosil市售之彼等研磨劑。矽石研磨劑 應以足以確保牙粉之RDA在20與60之間,例如在25與50之 間或在25與40之間的量存在以確保牙粉充分清潔牙齒同時 並未促進牙齒磨蝕,尤其對於患有牙酸侵蝕症或已由酸攻 擊而軟化之牙齒而言。 ’ 以總組合物計,矽石研磨劑一般以至多15重量%,例如 2重量。/〇至1〇重量%之量存在,以總組合物計,其一般以至 少5重量%,例如5重量%至7重量%,適當地6重量%之量存 在。降低矽石研磨劑之含量具有以下優勢:不僅降低牙粉 之磨姓度’而且使研磨劑(或研磨劑中之痕量污染物)與氣 離子之任何相互作用最小化以藉此增加游離氟離子之可用 性。 用於本發明之牙粉組合物中之合適界面活性劑包括兩性 界面活性劑,例如長鏈烷基甜菜鹼,諸如由Albright & Wilson以商標名稱"Empi gen BB”市售之產品,及較佳為諸 如可可醯胺丙基甜菜鹼之長鏈烷基醯胺烷基甜菜鹼,或諸 123622.doc -12- 200817016 如由Cr〇da以商標名稱摘的1 CT市售之甲椰油醯基牛續酸 納之低離子性界面活性劑,或其混合物。兩性界面活性: 可作為唯-界面活性劑單獨使用或可與低離子性界面活二 劑組合。 適田地,以總組合物計,界面活性劑以〇_丨重量%至重 量% ’例如0.1重量%至5重量%,諸如〇5重量%至15重量% 範圍内之量存在。 例如5適增稠劑包括非離子性增稠劑,諸如(Ci 6)^ 基纖維素醚,例如甲基纖維素;羥基(CM)烷基纖維= 醚,例如羥乙基纖維素及羥丙基纖維素;經^氧化烯 改夤之(C!·6)烧基纖維素鱗,例如經丙基甲基纖維素;及 八此a物。亦可使用其他增稠劑,諸如天然膠及合成膠或 諸如愛爾蘭青苔(Irish Moss)、三仙膠、黃蓍膠、角叉菜 膠、綾甲基纖維素鈉、聚乙烯吡咯啶酮、聚丙烯酸聚合物 (卡波姆(carbomer))、澱粉及增稠矽石之膠樣物質。適當 地增稠劑為增稠矽石與三仙膠,視情況與角叉菜膠及/ 或卡波姆之混合物。 適當地,以總組合物計,增稠劑以〇·丨重量%至3〇重量 例如1重量%至20重量。/。,諸如5重量%至丨5重量%範圍 内之量存在。 例如,用於本發明組合物之合適保濕劑包括甘油、木糖 醇、山梨糖醇、丙二醇或聚乙二醇或其混合物;以總組合 物计’該保濕劑可以10重量%至8〇重量❻/q,例如如重量% 至6〇重量。/❹,諸如25重量%至50重量%範圍内之量存在。 123622.doc -13- 200817016 為抗擊牙質過敏性,本發明之牙粉組合物可另外包含如 上文中所述之抗敏劑,尤其為硝酸鉀。硝酸鉀之存在可有 利地提供增強之去汙作用,其對於經預期否則具有相對低 清潔效能之低磨蝕度調配物具有特定益處。 本發明之牙粉組合物之pH值係在6.5至75,適當地6 8至 7.2之範圍内,例如為7.丨且可藉由併有諸如氫氧化鈉之鹼 來調節。
在又一態樣中,本發明亦提供另一種牙粉組合物,其包 含如上文所述之奈米顆粒二氧化鈦、如上文所述之氟離子 源(例如鹼金屬氟化物)、包含增稠矽石與三仙膠視情況與 角叉菜膠及/或卡波姆組合之增稠系統、陰離子性界面活 性劑(例如基硫酸鹽之水溶性鹽,諸如十二烷基硫 酸鈉)及以總組合物計至多2 0重量% (適當地5重量%至2 〇重 量%,例如10重量%至16重量%)之量之矽石牙齒研磨劑, 該牙粉具有6.0至8·0(例如6·5至7.5)範圍内tpH值,且不含 正磷酸鹽緩衝劑或鈣鹽。若需要,該牙粉組合物亦可包含 如上文所述之抗敏劑。 本發明亦提供一種抗擊牙酸侵蝕症及/或牙齒磨損之方 法’其包含將有效量之包含如上文所定義之奈米顆粒二氧 化鈦之組合物應用於需要其之個體。 【實施方式】 藉由以下實例來進一步說明本發明。 實例1 以微壓痕作為牙轴質硬度之量測 123622.doc -14- 200817016 將人類牙釉質碎片安裝於丙烯酸系樹脂上且使用碳化矽 紙(1200及2400粗砂)將其磨平。隨後將試樣隨機化且分成 三個處理組(n=6)。該等處理組為300 ppm氟離子(敗化 鈉);經甘油塗覆之二氧化鈦(具有20 nm之平均粒度)水性 懸浮液,2.5% w/v(UV Titan M212,Kemira,Aston Chemicals)及去離子水。使用裝配有維氏金剛石壓痕計 (Vickers diamond indenter)之 Struers Duramin微壓痕器來測 定各試樣之基線硬度。硬度值係表示為維氏硬度值 (Vickers Hardness Number,VHN)。將 1·961 N之負荷應用 於試樣,停留時間為20秒鐘。 將試樣置於30 ml之三種測試溶液之一者中,攪拌120秒 鐘,之後以去離子水沖洗之。處理之後,重複微硬度量 測。隨後藉由將該等經安裝之試樣於pH為3.8之10 ml 1.0% w/w檸檬酸溶液中培育30分鐘來進行侵蝕。每隔10分鐘自 侵蝕性攻擊中移除試樣且測定其表面微硬度。 對先前於2.5% w/v經甘油塗覆之二氧化鈦水性懸浮液、 2 · 5 % w/v標準微米尺寸化之二氧化鈇水性懸浮液及單獨水 中培育之人類牙釉質試樣進行掃描電子顯微術,在以流動 水洗滌1分鐘之後,使用能量分散性X射線分析(EDX)來鑑 別牙釉質表面上之鈦。 結果 將軟化研究之結果概括於圖1中。牙釉質硬度值已相對 於個別基線微硬度值而標準化,因此隨後時間點上之數據 反映牙釉質之軟化。圖1中之誤差條線表示標準偏差。 123622.doc -15- 200817016 所有以300 ppm氟離子或水處理之牙釉質試樣在暴露於 檸檬酸期間軟化,隨培育時間增加而愈加軟化。經奈米粒 子懸浮液處理之試樣在暴露於擰檬酸之前10 min期間並未 顯著軟化。在酸中培育20 min及30 min之後,經氟離子或 二氧化鈦奈米粒子懸浮液處理之牙釉質軟化程度顯著低於 經水處理之牙釉質。在暴露於檸檬酸20 min之後,經氟離 子或奈米粒子懸浮液處理之試樣的軟化程度相當。在暴露 於檸檬酸30 min之後,經奈米粒子懸浮液處理之樣品軟化 程度定向地低於經30〇 ppm氟離子處理之彼等樣品。 培育於2.5% w/v奈米顆粒二氧化鈦水性懸浮液中達2 min 之經磨光人類牙釉質的掃描電子顯微術(SEM)展示牙釉質 之大範圍表面經由無機碎屑所覆蓋。相反,培育於2.5% w/v標準微米尺寸化二氧化鈦懸浮液中之牙釉質的SEM影 像展示組織表面上存在極少物質。 隨後將人類牙釉質試樣暴露於pH為3.8之1 ·0% w/w擰檬 酸中達30 min,之後藉由SEM復查其表面。經奈米粒子懸 浮液處理之牙釉質表面為平滑的,且磨光線清楚可見。經 水處理之牙釉質顯示蜂窩形圖案,指示於表面蝕刻及去礦 化之牙釉質中可見之暴露牙釉質棒。 在牙釉質表面進行之能量分散性X射線分析(EDX)證 實,在經奈米顆粒懸浮液處理之樣品中存在鈦及氧以及來 自牙釉質礦物質本身之鈣及磷。經標準二氧化鈦處理之牙 釉質的EDX光譜展示無鈦存在。 活體外微硬度研究已展示,經以甘油表面塗覆之二氧化 123622.doc -16- 200817016 鈦(具有20 nm之平均粒度)的2.5% w/v水性懸浮液處理可防 止人類牙釉質發生檸檬酸誘導之軟化。該作用在統計學上 係優於暴露於酸10 min之後以300 ppm氟離子處理所見之 作用,且在隨後時間點上相當或定向上更優。另外,經奈 米粒子懸浮液處理之牙釉質已展示在洗滌之後保留二氧化 鈦之有效表面塗覆,其抑制組織表面發生檸檬酸誘導之去 礦化。 使用如上所述相同方法進行之其他微硬度研究已展示, 以經甘油表面塗覆之奈米顆粒二氧化鈦(平均粒度20 nm) 的2.5% w/v水性懸浮液處理來防護人類牙釉質發生檸檬酸 誘導之軟化的程度要高於經PVP、硬脂酸表面塗覆之二氧 化鈦或未經塗覆之二氧化鈦奈米粒子懸浮液(如圖2中概 括)。然而,未經塗覆之二氧化鈦奈米粒子及經PVP表面塗 覆之二氧化鈦奈米粒子確實提供類似於以300 ppm氟離子 (正性控制)處理時對於檸檬酸攻擊之保護。 本研究中所測試之處理為:2.5% w/v二氧化鈦水性懸浮 液、尤其為20 nm經甘油塗覆之二氧化鈦(UV Titan M212, Kemira,Aston Chemicals)、20 nm 經PVP塗覆之二氧化鈦 (UV Titan M263,Kemira,Aston Chemicals)、17 nm經硬脂 酸塗覆之二氧化鈦(UV T^itan M160,Kemira,Aston Chemicals)及 14 nm未經塗覆之二氧化鈦(UV Titan X140, Kemira,Aston Chemicals)。在本研究中僅使用甘油負性控 制。 實例2 123622.doc -17- 200817016 牙釉質侵蚀性病變之再硬化 人造侵蝕性病變係由安裝於丙烯酸系樹脂上之經磨光人 類牙釉質來製備。該等病變係藉由使經安裝之試樣在ph為 3.75之10 ml 1.0% w/w檸檬酸溶液中接觸30分鐘而製備。 使用裝配有維氏金剛石壓痕計之Struers DuramilH^壓痕器 測定各侵蝕試樣之基線硬度。硬度值表示為維氏硬度值 (VHN)。將1.961 N之負荷應用於該等試樣,停留時間為20 秒鐘。隨後將該等試樣隨機化且分成4個處理組(η = 6)。 將6個牙釉質試樣置於3個經攪動之水性奈米顆粒Ti02懸 浮液之一者中達120秒,且置於水對照物中。所測試之奈 米顆粒為 2.5% w/v二氧化鈦(14 nm,UV Titan X140,批 號:0417002,Kemira,Aston Chemicals)、2·5% w/v經甘油 塗覆之二氧化鈦(20 nm UV Titan M212,批號:0132004, Kemira,Aston Chemicals)、2.5% w/v經PVP塗覆之二氧化 鈦(20 nm UV T|tan M263,批號:0339001,Kemira,Aston Chemicals) 〇 隨後將該等試樣移除,以去離子水洗務,且置於10 ml 含有3Q0 ppm氟化鈉之溶液中再歷時120秒鐘。在另一洗滌 步驟之後,將牙釉質培育在含有〇·02 ppm氟離子之不含黏 蛋白的人造唾液中。大量研究已展示,靜止牙菌斑及唾液 含有0.02 ppm-0.04 ppm範圍内之氟離子。為模擬來自常規 牙膏刷洗之氟離子的活體内轉移,將氟化鈉添加至人造唾 液中使其濃度為〇·〇2 ppm。 將牙釉質首先以奈米粒子懸浮液處理,且隨後以氟化鈉 123622.doc -18- 200817016 溶液處理。此為二氧化鈦粒子提供影響氟離子吸收之最高 潛能,且由此使牙釉質再硬化。在4 hr、24以及銘心時使 用微壓痕來測定試樣之再硬化。各試樣在各時間點處獲得 6個壓痕。 結果 再硬化研究之結果概括於圖3中。牙釉質硬度值已相對 於牙釉質酸軟化後所獲得之彼等硬度值而標準化。因此, 隨後時間點上之數據反映牙釉質之再硬化。圖3中之誤差 條線表示標準偏差。 所有牙釉質试樣在其暴露於含有0 02 ppm氟離子之人造 唾液期間再硬化。基於標準偏差,該實驗中之任何處理與 正性控制之間不存在統計學上顯著之差異。 活體外微硬度再硬化研究已展示,以經甘油、PVP表面 塗覆或未經塗覆之奈米顆粒二氧化鈦之2·5。/❶w/v水性懸浮 液處理’對經檸檬酸軟化之人類牙釉質的活體外氟離子誘 導之再硬化並無害處。 【圖式簡單說明】 圖1 ·以300 ppm氟離子、20 nm經甘油塗覆之二氧化鈦 或水來預處理牙釉質對隨後在pH為3.8之1.0% w/w擰檬酸 中軟化超過30分鐘的影響。 圖2 :以300 ppm氟離子、2〇 nm經甘油塗覆之二氧化 欽、20 nm經PVP塗覆之二氧化鈦、14 nm未經塗覆之二氧 化欽、甘油或水來預處理牙釉質對隨後在pH為3.8之1.0% w/w檸檬酸中軟化的影響。 123622.doc -19- 200817016 圖3 :在以20 nm奈米顆粒Ti02之2.5% w/v水性懸浮液或 單獨水處理之後,牙釉質侵蝕性病變在含氟離子之人造唾 液中之再硬化。
123622.doc -20-
Claims (1)
- 200817016 十、申請專利範圍·· l 一種奈米顆粒二氧化鈦在製造用於抗擊牙酸侵蝕症及/或 牙㈣磨損之口腔護理組合物中之用途。 2·如睛求項1之用途,其中該奈米顆粒二氧化鈦係未經塗 覆。 、 3·如晴求項1之用途,其中該奈米顆粒二氧化鈇係經表面 塗覆。 4·如4求項3之用途,其中該奈米顆粒二氧化鈦係經增強 其與牙齒表面親和性之材料表面塗覆。 5 ·如明求項4之用途,其中該表面塗覆材料亦用作分散 劑,當與未經塗覆之奈米粒子混合時,其可吸附至其表 面上以提供立體或離子障壁,從而有助於防止其凝聚或 聚集。 < 6·如請求項4或5之用途,其中該奈米顆粒二氧化鈦係經多 元醇或聚乙烯吼咯啶酮(PVP)或其衍生物表面塗覆。 7· —種口腔護理組合物,其包含經多元醇或聚乙烯吡咯啶 酮(PVP)或其衍生物表面塗覆之奈米顆粒二氧化鈦,及 口腔可接受之載劑或賦形劑。 8·如請求項7之組合物,其中該表面塗覆材料為選自由甘 油、丙二醇、聚乙二醇、聚乙烯醇、山梨糖醇、甘露糖 醇或木糖醇或其混合物組成之群之多元醇。 9·如請求項8之組合物,其中該表面塗覆材料為pvp、 VP/VA共聚物或VP/VOH共聚物或其混合物。 10·如請求項7或8之組合物,其中該表面塗覆材料為甘油或 123622.doc 200817016 丙二醇。 11·如睛求項7或9之組合物,其中該表面塗覆材料為pvp。 12·如:求項7至9中任一項之組合物,其中該經表面塗覆之 奈米顆粒二氧化鈦之平均粒徑為2 nm至500 nm。 13·=睛求項12之組合物,其中該經表面塗覆之奈米顆粒二 氧化欽之平均粒控為5 nm至2 5 0 nm。 14.如明求項7至9中任一項之組合物,其中該經表面塗覆之 奈米顆粒二氧化鈦係以〇 25%w/w至2〇 %w/w之量存在。 15·如請求項7至9中任一項之組合物,其另外包含氟離子 源。 16·如請求項7至9中任一項之組合物,其另外包含抗敏劑。 17·如請求項16之組合物,其中該抗敏劑為锶鹽或鉀鹽。 18. 種牙粕組合物,其包含如前述請求項中任一項所定義 之奈米顆粒二氧化鈦、氟離子源及矽石牙齒研磨劑,該 牙粉具有20至60之相對牙質磨蝕度(RdA)值及6·5至7·5範 圍内之pH值,且不含正磷酸鹽緩衝劑或Ci〇·〗8烷基硫酸 鹽之水溶性鹽。 19. 種牙粕組合物,其包含如前述請求項中任一項所定義 之奈米顆粒二氧化鈦、氟離子源、包含增稠矽石與三仙 膠,視情況與角叉菜膠及/或卡波姆(carb〇mer)之組合的 增稠系統、陰離子性界面活性劑及以總組合物計至多Μ 重量%之量之矽石牙齒研磨劑,該牙粉具有6〇至8〇範圍 内之pH值,且不含正磷酸鹽緩衝劑或鈣鹽。 20· —種如請求項7至19_任一項之組合物的用途,其係用 於製造用於抗擊牙酸侵蝕症及/或牙齒磨損之藥劑。 123622.doc 200817016 七、指定代表圖: (一) 本案指定代表圖為:第(1)圖。 (二) 本代表圖之元件符號簡單說明: (無元件符號說明) 八、本案若有化學式時,請揭示最能顯示發明特徵的化學式: (無)123622.doc
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| GB0616823A GB0616823D0 (en) | 2006-08-24 | 2006-08-24 | Novel composition |
| GB0706780A GB0706780D0 (en) | 2007-04-05 | 2007-04-05 | Novel composition |
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| TW200817016A true TW200817016A (en) | 2008-04-16 |
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| WO (1) | WO2008023041A1 (zh) |
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| AU2006226505B2 (en) * | 2005-03-21 | 2012-04-19 | Glaxosmithkline Consumer Healthcare (Uk) Ip Limited | Alkyl sulfate free and orthophosphate free dentifrice compostion comprising a fluoride source and a silica dental abrasive |
| US8715625B1 (en) | 2010-05-10 | 2014-05-06 | The Clorox Company | Natural oral care compositions |
| MX382007B (es) * | 2015-10-08 | 2025-03-13 | Colgate Palmolive Co | Composiciones para el cuidado bucal y métodos para utilizar las composiciones. |
| US20230165781A1 (en) * | 2020-05-20 | 2023-06-01 | The Regents Of The University Of California | Compositions for treating dental white spots |
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| ZA737237B (en) * | 1972-10-04 | 1975-04-30 | Colgate Palmolive Co | Dental creams |
| US3937321A (en) * | 1972-10-04 | 1976-02-10 | Colgate-Palmolive Company | Toothpaste |
| US3935304A (en) * | 1972-10-04 | 1976-01-27 | Colgate-Palmolive Company | Dental creams |
| JPS58118508A (ja) * | 1981-12-29 | 1983-07-14 | Lion Corp | 歯磨組成物 |
| US4663153A (en) * | 1983-03-14 | 1987-05-05 | Church & Dwight Co., Inc. | Sodium bicarbonate-containing tooth powder |
| JPH0627061B2 (ja) * | 1983-10-03 | 1994-04-13 | ライオン株式会社 | 歯磨組成物 |
| JPH03503762A (ja) * | 1989-02-15 | 1991-08-22 | ナチュラル ホワイト インコーポレイテッド | 歯のホワイトナー |
| JPH04310231A (ja) * | 1991-04-05 | 1992-11-02 | Kao Corp | フッ化物コロイド液 |
| US5240697A (en) * | 1991-10-17 | 1993-08-31 | Colgate-Palmolive Company | Desensitizing anti-tartar dentifrice |
| JPH101428A (ja) * | 1996-06-14 | 1998-01-06 | Shiken:Kk | 歯磨組成物および歯磨 |
| US6102050A (en) * | 1997-07-10 | 2000-08-15 | Marcon; Robert Victor | Remedial dental floss |
| US5967155A (en) * | 1997-07-10 | 1999-10-19 | Marcon; Robert Victor | Medicated dental floss |
| US20030198605A1 (en) * | 1998-02-13 | 2003-10-23 | Montgomery R. Eric | Light-activated tooth whitening composition and method of using same |
| US8652446B2 (en) * | 2000-03-17 | 2014-02-18 | Lg Household & Healthcare Ltd. | Apparatus and method for whitening teeth |
| DE10064637A1 (de) * | 2000-12-22 | 2002-07-04 | Henkel Kgaa | Nanopartikuläres oberflächenmodifiziertes Titanoxid und seine Verwendung in Zahnpflegemitteln |
| JP2004292429A (ja) * | 2003-03-10 | 2004-10-21 | Gc Corp | 歯牙用漂白剤セット及び歯牙漂白方法 |
| US20060280701A1 (en) * | 2003-09-18 | 2006-12-14 | Lynch Maurice G | Method for dispersing metal oxides |
| JP3915929B2 (ja) * | 2003-12-25 | 2007-05-16 | ライオン株式会社 | 歯牙白色化用組成物及び歯牙美白用セット |
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- 2007-08-22 AR ARP070103729A patent/AR062484A1/es not_active Application Discontinuation
- 2007-08-22 WO PCT/EP2007/058746 patent/WO2008023041A1/en not_active Ceased
- 2007-08-22 EP EP07788519A patent/EP2059218A1/en not_active Withdrawn
- 2007-08-22 TW TW096131100A patent/TW200817016A/zh unknown
- 2007-08-22 BR BRPI0715710-0A2A patent/BRPI0715710A2/pt not_active Application Discontinuation
- 2007-08-22 JP JP2009525072A patent/JP2010501528A/ja active Pending
- 2007-08-22 US US12/438,070 patent/US20100291163A1/en not_active Abandoned
- 2007-08-22 CA CA002661611A patent/CA2661611A1/en not_active Abandoned
- 2007-08-22 AU AU2007287488A patent/AU2007287488A1/en not_active Abandoned
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| BRPI0715710A2 (pt) | 2013-09-17 |
| US20100291163A1 (en) | 2010-11-18 |
| WO2008023041A1 (en) | 2008-02-28 |
| CA2661611A1 (en) | 2008-02-28 |
| JP2010501528A (ja) | 2010-01-21 |
| EP2059218A1 (en) | 2009-05-20 |
| MX2009001938A (es) | 2009-05-28 |
| AR062484A1 (es) | 2008-11-12 |
| AU2007287488A1 (en) | 2008-02-28 |
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