JP5824061B2 - 半結晶性樹脂とナノクラスター充填剤とを含む歯科用組成物 - Google Patents
半結晶性樹脂とナノクラスター充填剤とを含む歯科用組成物 Download PDFInfo
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- JP5824061B2 JP5824061B2 JP2013536622A JP2013536622A JP5824061B2 JP 5824061 B2 JP5824061 B2 JP 5824061B2 JP 2013536622 A JP2013536622 A JP 2013536622A JP 2013536622 A JP2013536622 A JP 2013536622A JP 5824061 B2 JP5824061 B2 JP 5824061B2
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- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 229910018287 SbF 5 Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- LCXXNKZQVOXMEH-UHFFFAOYSA-N Tetrahydrofurfuryl methacrylate Chemical compound CC(=C)C(=O)OCC1CCCO1 LCXXNKZQVOXMEH-UHFFFAOYSA-N 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- FHLPGTXWCFQMIU-UHFFFAOYSA-N [4-[2-(4-prop-2-enoyloxyphenyl)propan-2-yl]phenyl] prop-2-enoate Chemical class C=1C=C(OC(=O)C=C)C=CC=1C(C)(C)C1=CC=C(OC(=O)C=C)C=C1 FHLPGTXWCFQMIU-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000000999 acridine dye Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- 229920000229 biodegradable polyester Polymers 0.000 description 1
- 239000004622 biodegradable polyester Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- PIPBVABVQJZSAB-UHFFFAOYSA-N bis(ethenyl) benzene-1,2-dicarboxylate Chemical compound C=COC(=O)C1=CC=CC=C1C(=O)OC=C PIPBVABVQJZSAB-UHFFFAOYSA-N 0.000 description 1
- AJCHRUXIDGEWDK-UHFFFAOYSA-N bis(ethenyl) butanedioate Chemical compound C=COC(=O)CCC(=O)OC=C AJCHRUXIDGEWDK-UHFFFAOYSA-N 0.000 description 1
- JZQAAQZDDMEFGZ-UHFFFAOYSA-N bis(ethenyl) hexanedioate Chemical compound C=COC(=O)CCCCC(=O)OC=C JZQAAQZDDMEFGZ-UHFFFAOYSA-N 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229960000956 coumarin Drugs 0.000 description 1
- 235000001671 coumarin Nutrition 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- OILAIQUEIWYQPH-UHFFFAOYSA-N cyclohexane-1,2-dione Chemical compound O=C1CCCCC1=O OILAIQUEIWYQPH-UHFFFAOYSA-N 0.000 description 1
- 239000004053 dental implant Substances 0.000 description 1
- 210000004513 dentition Anatomy 0.000 description 1
- 239000012955 diaryliodonium Substances 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- RSJLWBUYLGJOBD-UHFFFAOYSA-M diphenyliodanium;chloride Chemical compound [Cl-].C=1C=CC=CC=1[I+]C1=CC=CC=C1 RSJLWBUYLGJOBD-UHFFFAOYSA-M 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000386 donor Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical class CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000012949 free radical photoinitiator Substances 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 210000004195 gingiva Anatomy 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000006289 hydroxybenzyl group Chemical group 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 235000021539 instant coffee Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- CDOSHBSSFJOMGT-UHFFFAOYSA-N linalool Chemical compound CC(C)=CCCC(C)(O)C=C CDOSHBSSFJOMGT-UHFFFAOYSA-N 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 description 1
- DCUFMVPCXCSVNP-UHFFFAOYSA-N methacrylic anhydride Chemical compound CC(=C)C(=O)OC(=O)C(C)=C DCUFMVPCXCSVNP-UHFFFAOYSA-N 0.000 description 1
- VHRYZQNGTZXDNX-UHFFFAOYSA-N methacryloyl chloride Chemical compound CC(=C)C(Cl)=O VHRYZQNGTZXDNX-UHFFFAOYSA-N 0.000 description 1
- RBQRWNWVPQDTJJ-UHFFFAOYSA-N methacryloyloxyethyl isocyanate Chemical compound CC(=C)C(=O)OCCN=C=O RBQRWNWVPQDTJJ-UHFFFAOYSA-N 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- OMNKZBIFPJNNIO-UHFFFAOYSA-N n-(2-methyl-4-oxopentan-2-yl)prop-2-enamide Chemical compound CC(=O)CC(C)(C)NC(=O)C=C OMNKZBIFPJNNIO-UHFFFAOYSA-N 0.000 description 1
- YQCFXPARMSSRRK-UHFFFAOYSA-N n-[6-(prop-2-enoylamino)hexyl]prop-2-enamide Chemical compound C=CC(=O)NCCCCCCNC(=O)C=C YQCFXPARMSSRRK-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000548 poly(silane) polymer Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920006295 polythiol Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- QTECDUFMBMSHKR-UHFFFAOYSA-N prop-2-enyl prop-2-enoate Chemical compound C=CCOC(=O)C=C QTECDUFMBMSHKR-UHFFFAOYSA-N 0.000 description 1
- BOQSSGDQNWEFSX-UHFFFAOYSA-N propan-2-yl 2-methylprop-2-enoate Chemical compound CC(C)OC(=O)C(C)=C BOQSSGDQNWEFSX-UHFFFAOYSA-N 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- BUUPQKDIAURBJP-UHFFFAOYSA-N sulfinic acid Chemical compound OS=O BUUPQKDIAURBJP-UHFFFAOYSA-N 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 229920006029 tetra-polymer Polymers 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000001016 thiazine dye Substances 0.000 description 1
- 239000001017 thiazole dye Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229940096522 trimethylolpropane triacrylate Drugs 0.000 description 1
- XREXPQGDOPQPAH-QKUPJAQQSA-K trisodium;[(z)-18-[1,3-bis[[(z)-12-sulfonatooxyoctadec-9-enoyl]oxy]propan-2-yloxy]-18-oxooctadec-9-en-7-yl] sulfate Chemical compound [Na+].[Na+].[Na+].CCCCCCC(OS([O-])(=O)=O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O)COC(=O)CCCCCCC\C=C/CC(CCCCCC)OS([O-])(=O)=O XREXPQGDOPQPAH-QKUPJAQQSA-K 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 239000001018 xanthene dye Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/70—Tooth crowns; Making thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/15—Compositions characterised by their physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/70—Preparations for dentistry comprising inorganic additives
- A61K6/71—Fillers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- 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
- A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- 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
- A61K6/891—Compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Dentistry (AREA)
- Inorganic Chemistry (AREA)
- Dental Preparations (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Description
CH2=C(CH3)mSi(OR)n又は
CH2=C(CH3)mC=OOASi(OR)n
を有することができ、式中、mは0又は1であり、
Rは1〜4個の炭素原子を有するアルキル基であり、
Aは、二価の有機連結基であり、
nは1〜3である。
32オンス(0.95L)のガラス瓶に約50グラムのポリカプロラクトンジオール及び約0.04gのBHTを加え、これを油浴中で60℃に加熱する。全ての固形ポリカプロラクトンを溶融した後、磁気攪拌の下で、2モル等価のIEM(約7.8g)を15分間かけて加えた。1滴(約0.02g)のジブチルスズジラウレート(Aldrich)をその混合物に加えた。この反応を60℃で12時間続けた。得られた白色の固形物をIR及びNMRで明らかにし、それぞれポリカプロラクトンIEMであることが確認された。
およそ25.0mgの各サンプルを10mlのテトラヒドロフランに加えた。サンプル溶液を一晩揺動させ、0.25マイクロメートルのTeflonシリンジフィルターで濾過した。
表1に列挙される成分は、以下のように混合された:均一になるまでまず顔料を樹脂成分と混合し、次いで充填剤を加え、均一になるまで最終組成物を混合した。
試験方法:
International Standard ISO 4049−2009の表題「Dentistry−Polymer−based filling,restorative and luting materials」に記載される手順に従って、曲げ強度を試験した。
ワッツ収縮(ワッツ)試験方法は、硬化後の体積変化により、試験試料の収縮を測定する。試料調製(90mgの未硬化複合材の試験試料)及び試験手順は、次の参考文献に記載されたように行なわれた:Determination of Polymerization Shrinkage Kinetics in Visible−Light−Cured Materials:Methods Development,Dental Materials,October 1991,pages 281〜286。縮合パーセントに関する結果は、各試料について3つの反復の平均として以下のように報告された。
染色用ディスクの準備
液圧プレス(Carver Inc.,Wabash,INから入手可能)を約60℃で使用して、歯科用組成物のサンプル(約10グラム)を(2片のシリコーン剥離紙の間で)約1.1ミリメートル厚さに押圧した。次いで、押圧された各サンプルは、室温で7日間保管され、その後直径14mmのディスクを切り取り、厚さ1mm×直径15mmのスプリットモールドに、「Mylar」の商品名でDuPontから入手可能な2片の1ミル(0.025mm)のポリエステルフィルムの間に挟まれて置かれた。次いで、これを2つの鋼板の間に置き、上記の液圧プレスで、37℃で2分間、1000psi(6.9×106Pa)下にて押圧した。次いで、ポリエステルフィルムに挟まれたサンプルを液圧プレスから取り出し、ポリエステルフィルムを厚さ1mmの50mm×75mmのガラス顕微鏡スライド(VWR Catalog # 374〜1407)で覆い、VISILUX Model 2500歯科用硬化光(3M ESPE)を使用して50秒間光硬化した。その後、もう一方の側も、ガラス顕微鏡スライドを通して50秒間硬化した。ポリエステルフィルムが依然として存在する状態で、歯科用複合材料ディスクを37℃の炉内で15分間調整した。次いで、このサンプルディスクを染色試験前に37℃の脱イオン水中に保管した。
15gのFolgers Classic Roast Instant Coffee Crystalsを85gの80℃の脱イオン水に加え、十分に混合し、次いで37°以下に冷ますことにより、15%のコーヒー溶液を準備した(コーヒー結晶は、Folger Coffee Company,Cincinnati,OH 45202から市販)。
Delta E*=[(L0 *−L1 *)2+[(a0 *−a1 *)2+[(b0 *−b1 *)2]1/2
式中、各0は、初期値を表し、各1は、指示された試験溶液中で硬化した歯科用組成物を調整した後の値を表す。
米国特許出願第2005/100868号に記載のものと類似した2段階のプロセスによって、歯冠を調製した。試験される各ベーストのサンプルを、約19%の酢酸ビニルを含有するエチレン−酢酸ビニル(EVA)コポリマーフィルムで裏打ちされた空洞に注入した。このペーストのサンプルを、第2の複数割り鋳型に移し、第2のポリエチレンフィルムで覆い、圧縮モールト成形して、中空の歯冠形状を形成した。この成形型は、対称模型の下の第1大臼歯の形状であった。結果として形成された歯冠は、約10.6mmの近心遠位寸法を有していた。
P.Pallav,C.L.Davidson,及びA.J.DeGeeによりJ Pros Dent 59(1988)(4),pp.426〜429に記載されるACTA法に概ね従って、サンプルを3体摩耗試験において比較実施例2(CE2)と比較した。手順は、アジ化ナトリウムを磨耗媒体から除き、最初にACTA磨耗機械上で研削ではなく機械加工によって摩耗車輪を準備することにより、修正された。磨耗深さを6つの間隔で測定し、最小二乗法によって線を適合させ、CE2の傾斜に対する各材料の傾斜の比を出すことにより、磨耗比を測定した。本実験の結果は、以下の表にまとめられている:
[1]
未硬化の歯科修復組成物を含む、予備形成された半完成歯科用物品であって、
3000g/モル以下の分子量を有するフリーラジカル重合可能な半結晶性樹脂を含む樹脂系と、
少なくとも50重量%のナノクラスター充填剤と、
を含み、
前記未硬化の歯科修復組成物は第2の形状に形成されるのに十分展性(malleable)な第1の形状を有する、半完成歯科用物品。
[2]
歯科用物品を作製する方法であって、
第1の形状を有する予備形成された未硬化の半完成歯科用物品を提供することであって、前記未硬化の歯科用物品が、
3000g/モル以下の分子量を有するフリーラジカル重合可能な半結晶性樹脂を含む樹脂系、及び
少なくとも50重量%のナノクラスター充填剤を含む、前記未硬化の歯科用物品を提供することと、
前記未硬化の半完成歯科用物品を第2の形状に形成することと、
前記未硬化の半完成歯科用物品を硬化によって硬くすることと、
を含む、方法。
[3]
3000g/モル以下の分子量を有するフリーラジカル重合可能な半結晶性樹脂を含む樹脂系と、
少なくとも50重量%のナノクラスター充填剤と、
を含む、硬化性歯科修復組成物。
[4]
前記半結晶性樹脂が、ポリカプロラクトン単位を含む、項目1〜3のいずれか1項に記載の物品、方法、又は組成物。
[5]
前記半結晶性樹脂が、ポリカプロラクトンジオールとヒドロキシル反応性(メタ)アクリレートとの反応生成物である、項目1〜4のいずれか一項に記載の物品、方法、又は組成物。
[6]
前記半結晶性樹脂が、1重量%〜15重量%の範囲の量で存在する、項目1〜5のいずれか一項に記載の物品、方法、又は組成物。
[7]
前記樹脂系が、少なくとも1つのマルチ(メタ)アクリレート芳香族樹脂を含む、項目1〜6のいずれか一項に記載の物品、方法、又は組成物。
[8]
前記マルチ(メタ)アクリレート芳香族モノマーが、ビスフェノールAから誘導される低収縮樹脂である、項目1〜7のいずれか一項に記載の物品、方法、又は組成物。
[9]
前記低収縮樹脂が、前記歯科用組成物の3重量%〜15重量%の範囲の量で存在する、項目8に記載の物品、方法、又は組成物。
[10]
前記低収縮樹脂が、少なくとも5重量%又は10重量%の量で存在する、項目8に記載の物品、方法、又は組成物。
[11]
前記低収縮樹脂が、BisGMAである、項目7又は8に記載の物品、方法、又は組成物。
前記樹脂系が、前記低収縮樹脂に加えてその他の重合性樹脂を歯科修復組成物全体の20重量%未満の量で更に含む、項目8〜11のいずれか一項に記載の物品、方法、又は組成物。
[13]
前記その他の重合性樹脂が、前記歯科用組成物の5重量%以下、又は4重量%以下、又は3重量%以下の量で存在する、項目12に記載の物品、方法、又は組成物。
[14]
前記組成物が、1つ以上の更なるナノスケール微粒子充填剤を更に含む、項目1〜13のいずれか一項に記載の物品、方法、又は組成物。
[15]
前記1つ以上の更なるナノスケール微粒子充填剤が、15重量%〜30重量%の範囲の量で存在する、項目14に記載の物品、方法、又は組成物。
[16]
前記1つ以上の更なるナノスケール微粒子充填剤が、シリカを含む、項目14〜15のいずれか1項に記載の物品、方法、又は組成物。
[17]
前記1つ以上の更なるナノスケール微粒子充填剤が、ヒュームドシリカを含む、項目14〜16のいずれか1項に記載の物品、方法、又は組成物。
Claims (9)
- 未硬化の歯科修復組成物を含む、予備形成された半完成歯科用物品であって、
3000g/モル以下の分子量を有するフリーラジカル重合可能な半結晶性樹脂を含む樹脂系と、
一次粒子の平均粒子径が100nm未満であるナノクラスター充填剤を少なくとも50重量%と、
を含み、
前記未硬化の歯科修復組成物は第2の形状に形成されるのに十分展性である第1の形状を有する、半完成歯科用物品。 - 歯科用物品を作製する方法であって、
第1の形状を有する予備形成された未硬化の半完成歯科用物品を提供することであって、前記未硬化の半完成歯科用物品が、
3000g/モル以下の分子量を有するフリーラジカル重合可能な半結晶性樹脂を含む樹脂系、
一次粒子の平均粒子径が100nm未満であるナノクラスター充填剤を少なくとも50重量%、及び
15重量%〜30重量%の範囲の量で存在する1つ以上の更なるナノスケール微粒子充填剤を含む、前記未硬化の半完成歯科用物品を提供することと、
前記未硬化の半完成歯科用物品を第2の形状に形成することと、
前記未硬化の半完成歯科用物品を硬化によって硬くすることと、
を含む、方法。 - 3000g/モル以下の分子量を有するフリーラジカル重合可能な半結晶性樹脂を含む樹脂系と、
一次粒子の平均粒子径が100nm未満であるナノクラスター充填剤を少なくとも50重量%と、
15重量%〜30重量%の範囲の量で存在する1つ以上の更なるナノスケール微粒子充填剤と、
を含む、硬化性歯科修復組成物。 - 前記半結晶性樹脂が、ポリカプロラクトン単位を含む、請求項1に記載の物品。
- 前記半結晶性樹脂が、ポリカプロラクトンジオールとヒドロキシル反応性(メタ)アクリレートとの反応生成物である、請求項1に記載の物品。
- 前記半結晶性樹脂が、ポリカプロラクトン単位を含む、請求項2に記載の方法。
- 前記半結晶性樹脂が、ポリカプロラクトンジオールとヒドロキシル反応性(メタ)アクリレートとの反応生成物である、請求項2に記載の方法。
- 前記半結晶性樹脂が、ポリカプロラクトン単位を含む、請求項3に記載の組成物。
- 前記半結晶性樹脂が、ポリカプロラクトンジオールとヒドロキシル反応性(メタ)アクリレートとの反応生成物である、請求項3に記載の組成物。
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Free format text: JAPANESE INTERMEDIATE CODE: R313111 |