WO2001095862A1 - Low shrinking polymerizable dental material - Google Patents
Low shrinking polymerizable dental material Download PDFInfo
- Publication number
- WO2001095862A1 WO2001095862A1 PCT/US2001/018930 US0118930W WO0195862A1 WO 2001095862 A1 WO2001095862 A1 WO 2001095862A1 US 0118930 W US0118930 W US 0118930W WO 0195862 A1 WO0195862 A1 WO 0195862A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substituted
- unsubstituted
- dental material
- low shrinking
- polymerizable dental
- Prior art date
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- 239000005548 dental material Substances 0.000 title claims abstract description 26
- 239000000178 monomer Substances 0.000 claims abstract description 21
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229930185605 Bisphenol Natural products 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 229920000193 polymethacrylate Polymers 0.000 claims abstract description 10
- 239000003505 polymerization initiator Substances 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 6
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 5
- 239000003381 stabilizer Substances 0.000 claims abstract description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 24
- 125000000732 arylene group Chemical group 0.000 claims description 24
- 125000005549 heteroarylene group Chemical group 0.000 claims description 24
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- XFCMNSHQOZQILR-UHFFFAOYSA-N 2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethyl 2-methylprop-2-enoate Chemical group CC(=C)C(=O)OCCOCCOC(=O)C(C)=C XFCMNSHQOZQILR-UHFFFAOYSA-N 0.000 claims description 10
- 239000011256 inorganic filler Substances 0.000 claims description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 9
- -1 vinyl- Chemical group 0.000 claims description 9
- 125000002947 alkylene group Chemical group 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 claims description 6
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 6
- 239000012766 organic filler Substances 0.000 claims description 5
- VNQXSTWCDUXYEZ-UHFFFAOYSA-N 1,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dione Chemical compound C1CC2(C)C(=O)C(=O)C1C2(C)C VNQXSTWCDUXYEZ-UHFFFAOYSA-N 0.000 claims description 4
- HWSSEYVMGDIFMH-UHFFFAOYSA-N 2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C HWSSEYVMGDIFMH-UHFFFAOYSA-N 0.000 claims description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004599 antimicrobial Substances 0.000 claims description 4
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 4
- 229930006711 bornane-2,3-dione Natural products 0.000 claims description 4
- IDXHIIQGMDJEAP-UHFFFAOYSA-N 1,3-dioxolane;2-methylprop-2-enoic acid Chemical compound C1COCO1.CC(=C)C(O)=O.CC(=C)C(O)=O IDXHIIQGMDJEAP-UHFFFAOYSA-N 0.000 claims description 3
- NEBBLNDVSSWJLL-UHFFFAOYSA-N 2,3-bis(2-methylprop-2-enoyloxy)propyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(OC(=O)C(C)=C)COC(=O)C(C)=C NEBBLNDVSSWJLL-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 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 claims description 3
- DWXAVNJYFLGAEF-UHFFFAOYSA-N furan-2-ylmethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC1=CC=CO1 DWXAVNJYFLGAEF-UHFFFAOYSA-N 0.000 claims description 3
- 125000005395 methacrylic acid group Chemical group 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229940096522 trimethylolpropane triacrylate Drugs 0.000 claims description 3
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 claims description 2
- 229910015805 BaWO4 Inorganic materials 0.000 claims description 2
- 229910004829 CaWO4 Inorganic materials 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 150000002484 inorganic compounds Chemical class 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 2
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 claims description 2
- 239000005373 porous glass Substances 0.000 claims description 2
- FVRNDBHWWSPNOM-UHFFFAOYSA-L strontium fluoride Chemical compound [F-].[F-].[Sr+2] FVRNDBHWWSPNOM-UHFFFAOYSA-L 0.000 claims description 2
- 229910001637 strontium fluoride Inorganic materials 0.000 claims description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims 2
- QEQBMZQFDDDTPN-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy benzenecarboperoxoate Chemical compound CC(C)(C)OOOC(=O)C1=CC=CC=C1 QEQBMZQFDDDTPN-UHFFFAOYSA-N 0.000 claims 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims 1
- GHXZTYHSJHQHIJ-UHFFFAOYSA-N Chlorhexidine Chemical compound C=1C=C(Cl)C=CC=1NC(N)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1 GHXZTYHSJHQHIJ-UHFFFAOYSA-N 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 230000000845 anti-microbial effect Effects 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 229960005070 ascorbic acid Drugs 0.000 claims 1
- 235000010323 ascorbic acid Nutrition 0.000 claims 1
- 239000011668 ascorbic acid Substances 0.000 claims 1
- 235000019400 benzoyl peroxide Nutrition 0.000 claims 1
- 229960003260 chlorhexidine Drugs 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 150000002736 metal compounds Chemical class 0.000 claims 1
- 239000012966 redox initiator Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 12
- AMFGWXWBFGVCKG-UHFFFAOYSA-N Panavia opaque Chemical compound C1=CC(OCC(O)COC(=O)C(=C)C)=CC=C1C(C)(C)C1=CC=C(OCC(O)COC(=O)C(C)=C)C=C1 AMFGWXWBFGVCKG-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 125000005442 diisocyanate group Chemical group 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 239000011350 dental composite resin Substances 0.000 description 2
- APDCEFCVFFWWOD-UHFFFAOYSA-N ethyl 2-amino-3,4-dimethylbenzoate Chemical compound CCOC(=O)C1=CC=C(C)C(C)=C1N APDCEFCVFFWWOD-UHFFFAOYSA-N 0.000 description 2
- MKVYSRNJLWTVIK-UHFFFAOYSA-N ethyl carbamate;2-methylprop-2-enoic acid Chemical class CCOC(N)=O.CC(=C)C(O)=O.CC(=C)C(O)=O MKVYSRNJLWTVIK-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 208000013201 Stress fracture Diseases 0.000 description 1
- SXMUXFDPJBTNRM-UHFFFAOYSA-N [2-hydroxy-3-[4-[2-[4-[2-hydroxy-3-(2-methylprop-2-enoyloxy)propoxy]phenyl]propan-2-yl]phenoxy]propyl] 2-methylprop-2-enoate;2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C.C1=CC(OCC(O)COC(=O)C(=C)C)=CC=C1C(C)(C)C1=CC=C(OCC(O)COC(=O)C(C)=C)C=C1 SXMUXFDPJBTNRM-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- HNPDNOZNULJJDL-UHFFFAOYSA-N ethyl n-ethenylcarbamate Chemical compound CCOC(=O)NC=C HNPDNOZNULJJDL-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000007573 shrinkage measurement Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
Definitions
- Dental filling materials often consist of polymerizable organic monomers and/or polymers, polymerizable monomers, polymerization initiators, and fillers.
- Known commercial dental composites exhibit useful mechanical properties, such as compressive strengths ranging from 300 to 500 MPa and flexural strengths ranging from 130 to 170 MPa.
- compressive strengths ranging from 300 to 500 MPa
- flexural strengths ranging from 130 to 170 MPa.
- a volumetric shrinkage of 2.5 to 4.0% often takes place during the polymerization of these composites. This may cause microfractures in the material and sometimes enamel edge cracks. Frequently, secondary caries are formed as result of these defects. Therefore, it is desirable to provide new composite materials that exhibit reduced volumetric shrinkage without sacrificing other useful properties
- polymerizable monomers show a relatively high shrinkage by themselves, for example 12.89 vol.-% for pure triethyleneglycol dimethacrylate. This leads to a high crosslinking density and brittleness.
- Alkoxylated Bis-GMA 's were used as relatively low viscous monomers in content of 15 to 30 % and applied in redox-polymerizable paste-paste composites. Frequently, in combination with other polymerizable monomers ethoxylated or propoxylated Bis-GMA was applied to improve mechanical properties, water sorption and wear resistance.
- a low shrinking polymerizable dental material comprises a mixture of
- the material may be a mixture of (i) 25 to 40 % w/w of a polymerizable di- or poly(meth)acrylate,
- alkoxylated bisphenol dimethacrylate can be characterized by the following formula
- R-i and R 2 independently denote H (hydrogen) or a monofunctional substituted or unsubstituted d to C 18 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to
- R 3 is a difunctional substituted or unsubstituted C-i to C 18 alkyl, O, S, SO 2 or C(CF 3 ) 2 , a and b are integers wherein a + b is from about 2 to about 20.
- the alkoxylated bisphenol dimethacrylate may alternatively be characterized by the following formula
- R-i and R 2 independently denotes H or a monofunctional substituted or unsubstituted C-, to C 18 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene a and b are integers wherein a + b is between about 2 and about 20.
- the polymerizable di- or poly(meth)acrylate is the reaction product of molecules A and B with C
- OCN-R 7 -NCO c whereby the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to 1.1 , wherein R denotes H or a monofunctional substituted or unsubstituted C-i to C 18 alkyl, C 5 to ds substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene; R 5 is a difunctional substituted or unsubstituted C-, to C 18 alkyl, O, S, SO 2 or C(CF 3 ) 2 , Re denotes H or a monofunctional substituted or unsubstituted C-, to C 18 alkyl, C 5 to C ⁇ 8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene R
- R denotes H or a monofunctional substituted or unsubstituted C-i to C 18 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene
- R 6 denotes H or a monofunctional substituted or unsubstituted C ⁇ to C 18 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene
- R 7 is a difunctional substituted or unsubstituted C 2 to C 30 alkylene, C 5 to C 30 substituted or unsubstituted cycloalkylene, substituted or unsubstituted C 5 to C 30 arylene or heteroarylene; and, a and b are integers as hereinabove.
- the polymerizable monomer is a mono- or polyfunctional acrylate or methacrylate, such as diethyleneglycol dimethacrylate, triethyleneglycol dimethacrylate, 3,(4),8,(9)-dimethacryloyloxymethyltricyclodecane, dioxolan bismethacrylate, vinyl-, vinylen- or vinyliden-, acrylic- or methacrylic substituted spiroorthoesters, spiroorthocarbonates or bicyloorthoesters, glycerin trimethacrylate, trimethylol propane triacrylate, furfurylmethacrylate.
- acrylate or methacrylate such as diethyleneglycol dimethacrylate, triethyleneglycol dimethacrylate, 3,(4),8,(9)-dimethacryloyloxymethyltricyclodecane, dioxolan bismethacrylate, vinyl-, vinylen- or vinyliden-, acrylic- or methacrylic substituted s
- the polymerizable resin matrix comprises a mixture of, for example, (i) 25 to 40 % w/w of a polymerizable di- or poly(meth)acrylate, (ii) 45 to 65 % w/w of an alkoxylated bisphenol dimethacrylate , (iii) 0 to 20 % w/w of a polymerizable monomer and (iv) 0.1 to 3.0 % w/w of polymerization initiator and/or sensitizer and stabilizer.
- the alkoxylated bisphenol dimethacrylate may be characterized by the following formula wherein R-i and R 2 independently denote H or a monofunctional substituted or unsubstituted C-i to C 18 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene;
- R 3 is a difunctional substituted or unsubstituted C-i to C 18 alkyl, O, S, SO 2 or C(CF 3 ) 2 ; and, a and b are integers.
- a + b is between 2 and 20, more preferably a + b is between 8 and 20.
- alkoxylated bisphenol dimethacrylate is characterized by the following formula
- Ri and R 2 independently denotes H or a monofunctional substituted or unsubstituted Ci to C 18 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene, and a and b are integers.
- An example of a useful polymerizable di- or poly(meth)acrylate is the reaction product of molecules A and B with diisocyanate C as follows:
- OCN-R 7 — NCO c wherein the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to 1.1 ; wherein R denotes H or a monofunctional substituted or unsubstituted C-i to C 18 alkyl, C 5 to C 8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene; R 5 is a difunctional substituted or unsubstituted C, to C 18 alkyl, O, S, SO 2 or C(CF 3 ) 2 ; F% denotes H or a monofunctional substituted or unsubstituted C-i to C 18 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene; R 7
- the polymerizable di- or poly(meth)acrylate is received by reaction of molecules A and B with diisocyanate C
- OCN-R 7 — NCO c whereby the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to 1.1 ;
- R 4 denotes H or a monofunctional substituted or unsubstituted C-i to C 18 alkyl, C 5 to C-i 8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene;
- R 6 denotes H or a monofunctional substituted or unsubstituted C-, to C ⁇ 8 alkyl, C 5 to C 18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C 5 to C 30 arylene or heteroarylene;
- R is a difunctional substituted or unsubstituted C 2 to C 30 alkylene, C 5 to C 30 substituted or unsubsti
- polymerizable monomers are usable mono- and polyfunctional acrylates or methacrylates, such as diethyleneglycol dimethacrylate, triethyleneglycol dimethacrylate, 3,(4),8,(9)-dimethacryloyloxymethyl tricyclodecane, dioxolan bismethacrylate, vinyl-, vinylen- or vinyliden-, acrylic- or methacrylic substituted spiroorthoesters, spiroorthocarbonates or bicyloorthoesters, glycerin trimethacrylate, trimethylol propane triacrylate, furfurylmethacrylate.
- acrylates or methacrylates such as diethyleneglycol dimethacrylate, triethyleneglycol dimethacrylate, 3,(4),8,(9)-dimethacryloyloxymethyl tricyclodecane, dioxolan bismethacrylate, vinyl-, vinylen- or vinyliden-, acrylic- or methacrylic substituted spir
- the photoinitiator is for example benzoinmethylether, benzilketal, camphor quinone/amine, or an acylphosphinoxide in a content of 0.1 to 3 wt-
- the low shrinking dental material is filled with inorganic fillers, inorganic compounds such as La 2 O 3 , ZrO 2 , BiPO 4 , CaWO 4 , BaWO 4 , SrF 2 ,
- porous glasses or organic fillers such as polymer granulate or a combination of organic and/or inorganic fillers or reactive inorganic fillers having a average diameter of less than about 10 ⁇ m.
- the densities of the non-polymerized and of the polymerized material are used for calculating the shrinkage.
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Preparations (AREA)
Abstract
A low shrinking polymerizable dental material, includes a mixture of a polymerizable di- or poly(meth)acrylate, an alkoxylated bisphenol dimethacrylate, a polymerizable monomer, a polymerization initiator and/or sensitizer, a stabilizer and a filler in a content of 70 to 85 per cent. The volumetric shrinkage during polymerization is less than 2.0 Vol-%.
Description
Low shrinking polymerizable dental material
TECHNICAL BACKGROUND
[0001] Dental filling materials often consist of polymerizable organic monomers and/or polymers, polymerizable monomers, polymerization initiators, and fillers. Known commercial dental composites exhibit useful mechanical properties, such as compressive strengths ranging from 300 to 500 MPa and flexural strengths ranging from 130 to 170 MPa. Furthermore, over the past years they have been improved with respect to abrasion resistance, marginal integrity, fatigue behavior and their optical properties. Nevertheless, a volumetric shrinkage of 2.5 to 4.0% often takes place during the polymerization of these composites. This may cause microfractures in the material and sometimes enamel edge cracks. Frequently, secondary caries are formed as result of these defects. Therefore, it is desirable to provide new composite materials that exhibit reduced volumetric shrinkage without sacrificing other useful properties
[0002] It is known to use 2,2-Bis-[p-(2-hydroxy-3-methacryloyloxypropoxy)- phenyl]-propane (Bis-GMA) as a monomer for dental materials due to its advantageous properties. However, it shows a relatively high viscosity that makes the application of low viscous monomers necessary. It is known that the shrinkage directly depends on the molecular weight of polymerizable organic monomers. On the other hand, increasing molecular weights of the monomers results in an increasing viscosity of the resin. Therefore, polymerizable monomers, such as oligoethyleneglycol dimethacrylates, are used to obtain a lower viscosity and allows the incorporation of desired amounts of fillers. However, polymerizable monomers show a relatively high shrinkage by themselves, for example 12.89 vol.-% for pure triethyleneglycol dimethacrylate. This leads to a high crosslinking density and brittleness. [0003] Alkoxylated Bis-GMA 's were used as relatively low viscous monomers in content of 15 to 30 % and applied in redox-polymerizable paste-paste composites. Frequently, in combination with other polymerizable monomers ethoxylated or propoxylated Bis-GMA was applied to improve mechanical properties, water sorption and wear resistance. Recently, composites were
used that comprise Urethane dimethacrylates, Triethyleneglycol dimethacrylate 2,2-Bis-[p-(2-hydroxy-3-methacryloyl-oxypropoxy)-phenyl]- propane, and the so called BisEMA6. Another is an ethoxylated Bis-GMA having 6 to 8 ethoxy moieties and it is used in contents of 15 to 45 %. All percents or "%" are by weight (w/w) unless otherwise noted. [0004] Reaction products of diisocyanates and glycerol di(meth)acrylate have been used to prepare a cement composition. Furthermore, compounds have been prepared form vinyl urethane condensate (oxypropylated bisphenol-A), hexamethylene diisocyanate and hydroxypropyl methacrylate. [0005] In US Pat. No. 4,089,763 a method of repairing teeth was described by using a composition comprising particles with a maximum dimension not greater than 500 μm (micrometers or "microns") and a polymerizable prepolymer containing at least two polymerizable ethylenically unsaturated groups being the reaction product of a urethane prepolymer and a polymerizable ethylenically unsaturated monomer.
[0006] Special monomers such as tricyclodecane derivatives, polyols, urethane dimethacrylates of diisocyanates and hydroxyalkylmethacrylates show a relatively low volumetric shrinkage which give reason to suppose that the use of monomers with a higher molecular weight would be successful in the application for dental composites.
DISCLOSURE OF THE INVENTION
[0007] It is therefore, an object of the invention, to provide a low shrinking, polymerizable dental material.
[0008] It is another object of the invention to provide such a material useful as a dental restorative material.
[0009] These and other objects of the invention, which shall become apparent from the following description, are achieved by the invention as hereinafter described and claimed.
[0010] in general, a low shrinking polymerizable dental material, comprises a mixture of
(i) 70 to 85 w/w of an organic or an inorganic filler and
(ii) 15 to 30 % w/w of a polymerizable resin matrix having a volumetric polymerization shrinkage of less than 2 % v/v (by volume). In an alternative embodiment, the material may be a mixture of
(i) 25 to 40 % w/w of a polymerizable di- or poly(meth)acrylate,
(ii) 45 to 65 % w/w of an alkoxylated bisphenol dimethacrylate,
(iii) 0 to 20 % w/w of a polymerizable monomer,
(iv) 0.1 to 3.0 % w/w of polymerization initiator and/or sensitizer and stabilizer and (v) 0 to 10 % w/w of an antimicrobial compound.
In a further embodiment, the alkoxylated bisphenol dimethacrylate can be characterized by the following formula
C30 arylene or heteroarylene
R3 is a difunctional substituted or unsubstituted C-i to C18 alkyl, O, S, SO2 or C(CF3)2, a and b are integers wherein a + b is from about 2 to about 20. [0011] The alkoxylated bisphenol dimethacrylate may alternatively be characterized by the following formula
OCN-R7-NCO c whereby the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to 1.1 , wherein R denotes H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to ds substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene; R5 is a difunctional substituted or unsubstituted C-, to C18 alkyl, O, S, SO2 or C(CF3)2, Re denotes H or a monofunctional substituted or unsubstituted C-, to C18 alkyl, C5 to Cι8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene R7 is a difunctional substituted or unsubstituted C2 to C30 alkylene, C5 to C30 substituted or unsubstituted cycloalkylene, substituted or unsubstituted C5 to C30 arylene or heteroarylene a and b are integers. [0013] In a further embodiment, the polymerizable di- or poly(meth)acrylate is formed from the reaction product of molecules A and B with C
OCN-R7-NCO c
[0014] whereby the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to
1.1 ,
[0015] wherein R denotes H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene R6 denotes H or a monofunctional substituted or unsubstituted C^ to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene R7 is a difunctional substituted or unsubstituted C2 to C30 alkylene, C5 to C30 substituted or unsubstituted cycloalkylene, substituted or unsubstituted C5 to C30 arylene or heteroarylene; and, a and b are integers as hereinabove.
[0016] The polymerizable monomer is a mono- or polyfunctional acrylate or methacrylate, such as diethyleneglycol dimethacrylate, triethyleneglycol dimethacrylate, 3,(4),8,(9)-dimethacryloyloxymethyltricyclodecane, dioxolan bismethacrylate, vinyl-, vinylen- or vinyliden-, acrylic- or methacrylic substituted spiroorthoesters, spiroorthocarbonates or bicyloorthoesters, glycerin trimethacrylate, trimethylol propane triacrylate, furfurylmethacrylate.
DESCRIPTION OF THE INVENTION
[0017] It has surprisingly been found that a low shrinking polymerizable dental material having a volumetric polymerization shrinkage of less than 2 % v/v is obtainable comprising a mixture of
(i) 70 to 85 w/w of an organic or an inorganic filler and
(ii) 15 to 30 % w/w of a polymerizable resin matrix.
[0018] The polymerizable resin matrix comprises a mixture of, for example, (i) 25 to 40 % w/w of a polymerizable di- or poly(meth)acrylate, (ii) 45 to 65 % w/w of an alkoxylated bisphenol dimethacrylate , (iii) 0 to 20 % w/w of a polymerizable monomer and (iv) 0.1 to 3.0 % w/w of polymerization initiator and/or sensitizer and stabilizer.
[0019] The alkoxylated bisphenol dimethacrylate may be characterized by the following formula
wherein R-i and R2 independently denote H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene;
R3 is a difunctional substituted or unsubstituted C-i to C18 alkyl, O, S, SO2 or C(CF3)2; and, a and b are integers. Preferably a + b is between 2 and 20, more preferably a + b is between 8 and 20.
[0020] Preferably the alkoxylated bisphenol dimethacrylate is characterized by the following formula
[0021] An example of a useful polymerizable di- or poly(meth)acrylate is the reaction product of molecules A and B with diisocyanate C as follows:
OCN-R7— NCO c wherein the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to
1.1 ; wherein R denotes H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to C 8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene; R5 is a difunctional substituted or unsubstituted C, to C18 alkyl, O, S, SO2 or C(CF3)2; F% denotes H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene; R7 is a difunctional substituted or unsubstituted C2 to C30 alkylene, C5 to C30 substituted or unsubstituted cycloalkylene, substituted or unsubstituted C5 to C30 arylene or heteroarylene and a and b are integers as hereinabove.
[0022] In the alternative, the polymerizable di- or poly(meth)acrylate is received by reaction of molecules A and B with diisocyanate C
OCN-R7— NCO c whereby the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to 1.1 ; wherein R4 denotes H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to C-i8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene; R6 denotes H or a monofunctional substituted or unsubstituted C-, to Cι8 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene; R is a difunctional substituted or unsubstituted C2 to C30 alkylene, C5 to C30 substituted or unsubstituted cycloalkylene, substituted or unsubstituted C5 to C30 arylene or heteroarylene; and a and b are integers as hereinabove.
[0023] As polymerizable monomers are usable mono- and polyfunctional acrylates or methacrylates, such as diethyleneglycol dimethacrylate,
triethyleneglycol dimethacrylate, 3,(4),8,(9)-dimethacryloyloxymethyl tricyclodecane, dioxolan bismethacrylate, vinyl-, vinylen- or vinyliden-, acrylic- or methacrylic substituted spiroorthoesters, spiroorthocarbonates or bicyloorthoesters, glycerin trimethacrylate, trimethylol propane triacrylate, furfurylmethacrylate.
[0024] The photoinitiator is for example benzoinmethylether, benzilketal, camphor quinone/amine, or an acylphosphinoxide in a content of 0.1 to 3 wt-
%, or any other conventional and useful photoinitiator.
[0025] The low shrinking dental material is filled with inorganic fillers, inorganic compounds such as La2O3, ZrO2, BiPO4, CaWO4, BaWO4, SrF2,
Bi2O3, porous glasses or organic fillers, such as polymer granulate or a combination of organic and/or inorganic fillers or reactive inorganic fillers having a average diameter of less than about 10 μm.
[0026] The volumetric shrinkage was measured using AccuPyc 1300
(Micrometrics, USA) based on measurements of density of polymerized and non-polymerized composite followed by calculation of volumetric shrinkage.
This method was applied and described by W.D. Cook et al., Dent. Mat. 15
(1999) 447.
[0027] The Archimedes method for estimation of the shrinkage bases on the measurement of the weight of the non-polymerized and of the polymerized material on air and in water. From these values the densities are calculated.
The densities of the non-polymerized and of the polymerized material are used for calculating the shrinkage.
EXAMPLE 1
[0028] 27.864 g 2,2-Bis-[p-(2-hydroxy-3-methacryloyloxypropoxy)-phenyl]- propane, 61.308 g Ethoxylated Bis-GMA CD540, 2.500 g Diethylene glycol dimethacrylate and 0.330 Dibutyl tinlaurate were mixed homogeneously under stirring and heating at 40 °C. To this reaction mixture 7.898 g
Hexamethylene diisocyanate were added and reacted until the absorption band of isocyanate completely disappeared at 2220 cm"1.
[0029] Thereafter 0.1 g 2,6-di-tert.-butyl-4-cresol, 0.300 g camphor quinone and 0.350 g Dimethyl aminobenzoic acid ethylester were dissolved in the polymerizable matrix resin. This resin has a viscosity at 23 °C of 57.3 ± 0.8
Pa*s and a refractive index at 20 °C of 1.5360.
[0030] Using 24.350 g polymerizable matrix resin and 75.650 g Barium alumo silicate glass a composite was prepared by mixing and stirring under vacuum. [0031] The properties of the composite are summarized in Tale 1.
EXAMPLE 2
[0032] 20.898 g 2,2-Bis-[p-(2-hydroxy-3-methacryloyloxypropoxy)-phenyl]- propane, 63.395 g Ethoxylated Bis-GMA (CD540 Sartomer), 4.681 g Bisphenol-A-propoxylat (1PO/Phenol), 2.500 g Diethylene glycol dimethacrylate and 0.330 Dibutyl tinlaurate were mixed homogeneously under stirring and heating at 40 °C. To this reaction mixture 7.898 g Hexamethylene diisocyanate were added and reacted until the absorption band of isocyanate completely disappeared at 2220 cm"1. [0033] Thereafter 0.1 g 2,6-di-tert.-butyl-4-cresol, 0.300 g camphor quinone and 0.350 g Dimethyl aminobenzoic acid ethylester were dissolved in the polymerizable matrix resin. This resin has a viscosity at 23 °C of 48.6 ± 0.2 Pa*s, a refractive index at 20 °C of 1.5361 and a volumetric shrinkagedV (A) = 4.15 %.
[0034] Using 24.560 g polymerizable matrix resin and 75.440 g Barium alumo silicate glass a composite was prepared by mixing and stirring under vacuum. [0035] The properties of the composite are summarized in Table 1.
COMPARATIVE EXAMPLES 1 - 10
[0036] In the following are summarized the results of shrinkage measurement using AccuPyc 1330 of commercial composites as well as their mechanical properties.
Table 1 Properties of claimed and competitive composites
*) Measurement of density of polymerized and non-polymerized composite using AccuPyc 1330 followed by calculation of volumetric shrinkage
[0037] It should now be apparent that a dental material according to the foregoing description accomplishes the objects of the invention and otherwise makes a contribution to the art. The foregoing description illustrates preferred embodiments of the invention. However, concepts employed may, based upon the description, be employed in other embodiments without departing from the scope of the invention.
Claims
1. Low shrinking polymerizable dental material, comprising a mixture of
(iii) 70 to 85 w/w of an organic or an inorganic filler and (iv) 15 to 30 % w/w of a polymerizable resin matrix having a volumetric polymerization shrinkage of less than 2 % v/v.
2. Low shrinking polymerizable dental material of claim 1 , wherein said polymerizable resin matrix comprising a mixture of
(vi) 25 to 40 % w/w of a polymerizable di- or poly(meth)acrylate,
(vii) 45 to 65 % w/w of an alkoxylated bisphenol dimethacrylate,
(viii)0 to 20 % w/w of a polymerizable monomer,
(ix) 0.1 to 3.0 % w/w of polymerization initiator and/or sensitizer and stabilizer and (x) 0 to 10 % of an antimicrobial compound.
3. Low shrinking polymerizable dental material of claims 2, wherein said alkoxylated bisphenol dimethacrylate is characterized by the following formula
R-i and R2 independently denotes H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to C-i8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene
R3 is a difunctional substituted or unsubstituted Ci to C18 alkyl, O, S, SO2 or
C(CF3)2, a and b are integers.
4. Low shrinking polymerizable dental material of claim 3, wherein preferably a + b is ranging between 2 and 20.
5. Low shrinking polymerizable dental material of claim 3, wherein a + b is from 8 to 20.
6. Low shrinking polymerizable dental material of claim 2, wherein said alkoxylated bisphenol dimethacrylate is characterized by the following formula
Ri and R2 independently denotes H or a monofunctional substituted or unsubstituted Ci to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene a and b are integers.
7. Low shrinking polymerizable dental material of claim 6, wherein a + b is from 2 to 20.
8. Low shrinking polymerizable dental material of claim 6, wherein a + b is from 8 to 20.
9. Low shrinking polymerizable dental material of claim 2, wherein said polymerizable di- or poly(meth)acrylate is the reaction product of molecules A and B with C
OCN-R7-NCO c wherein the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to
1.1. wherein
R4 denotes H or a monofunctional substituted or unsubstituted C1 to Cι8 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene
R5 is a difunctional substituted or unsubstituted C-t to C18 alkyl, O, S, SO2 or
C(CF3)2,
R6 denotes H or a monofunctional substituted or unsubstituted Ci to C18 alkyl, C5 to C 8 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene
R7 is a difunctional substituted or unsubstituted C2 to C30 alkylene, C5 to C30 substituted or unsubstituted cycloalkylene, substituted or unsubstituted C5 to
C30 arylene or heteroarylene a and b are integers.
10. Low shrinking polymerizable dental material of claim 2, wherein said polymerizable di- or poly(meth)acrylate is received by reaction of molecules A and B with C
OCN-R7-NCO c whereby the molar ratio of A and B varies between 1.0 to 0 and 0.2 to 0.8 and the molar ratio of (A + B) and C varies between 1.0 to 0.05 and 1.0 to
1.1 , wherein
R4 denotes H or a monofunctional substituted or unsubstituted C-i to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene
R6 denotes H or a monofunctional substituted or unsubstituted d to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted unsubstituted C5 to C30 arylene or heteroarylene
R7 is a difunctional substituted or unsubstituted C2 to C30 alkylene, C5 to C30 substituted or unsubstituted cycloalkylene, substituted or unsubstituted C5 to
C30 arylene or heteroarylene a and b are integers.
11. Low shrinking polymerizable dental material of claim 2 wherein said polymerizable monomer is a mono- and polyfunctional acrylate or methacrylate.
12. Low shrinking polymerizable dental material of claim 11 , wherein said monomer is diethyleneglycol dimethacrylate, triethyleneglycol dimethacrylate, 3,(4),8,(9)-dimethacryloyloxymethyltricyclodecane, dioxolan bismethacrylate, vinyl-, vinylen- or vinyliden-, acrylic- or methacrylic substituted
spiroorthoesters, spiroorthocarbonates or bicyloorthoesters, glycerin trimethacrylate, trimethylol propane triacrylate, furfurylmethacrylate.
13. Low shrinking polymerizable dental material of claim 2 wherein said polymerization initiator and/or sensitizer is photoinitiator selected from benzoinmethylether, benzilketal, camphor quinone or acylphosphinoxide.
14. Low shrinking polymerizable dental material of claim 2 wherein the polymerization initiators is a redox initiator selected from dibenzoylperoxide/aromatic or aliphatic tert. amine, tert. butyl peroxy benzoate/ascorbic acid/metal compound.
15. Low shrinking polymerizable dental material of claim 1 wherein said filler is an inorganic filler, an inorganic compound such as La2O3, ZrO2, BiPO4, CaWO4, BaWO4, SrF2, Bi2O3, a porous glass or an organic filler, such as polymer granulate or a combination of organic and/or inorganic fillers or reactive inorganic fillers.
16. Low shrinking polymerizable dental material of claim 1 wherein said filler are embrittled glass fibers or compositions of these fillers and inorganic and/or organic fillers.
17. Low shrinking polymerizable dental material of claim 1 wherein said antimicrobial compound is a antimicrobial acting substance selected from trichlosan or chlorohexidine.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002510044A JP2004503477A (en) | 2000-06-13 | 2001-06-13 | Low shrinkage polymerizable dental material |
| CA002411464A CA2411464A1 (en) | 2000-06-13 | 2001-06-13 | Low shrinking polymerizable dental material |
| EP01946292A EP1289473A1 (en) | 2000-06-13 | 2001-06-13 | Low shrinking polymerizable dental material |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21128900P | 2000-06-13 | 2000-06-13 | |
| US60/211,289 | 2000-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001095862A1 true WO2001095862A1 (en) | 2001-12-20 |
Family
ID=22786290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2001/018930 WO2001095862A1 (en) | 2000-06-13 | 2001-06-13 | Low shrinking polymerizable dental material |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20030236342A1 (en) |
| EP (1) | EP1289473A1 (en) |
| JP (1) | JP2004503477A (en) |
| CA (1) | CA2411464A1 (en) |
| WO (1) | WO2001095862A1 (en) |
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| WO2006002086A1 (en) * | 2004-06-15 | 2006-01-05 | Dentsply International Inc. | Low shrinkage and low stress dental compositions |
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| KR101104387B1 (en) * | 2011-04-05 | 2012-01-16 | 강원대학교산학협력단 | Dental restorative material composition |
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| JP4986437B2 (en) * | 2005-11-07 | 2012-07-25 | 株式会社トクヤマ | Dental curable composition |
| WO2014070792A1 (en) | 2012-10-29 | 2014-05-08 | Ariste Medical, Inc. | Polymer coating compositions and coated products |
| CN106471074A (en) | 2014-04-22 | 2017-03-01 | 阿里斯特医疗公司 | For applying method and the technique of drug delivery polymer coating |
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| EP1289473A1 (en) | 2003-03-12 |
| CA2411464A1 (en) | 2001-12-20 |
| US20030236342A1 (en) | 2003-12-25 |
| JP2004503477A (en) | 2004-02-05 |
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