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| Number | Title | Issue Date |
| 6120591 | Low fusing dental porcelains containing fine-grained leucite A dental porcelain composition, comprising a glassy matrix and leucite crystallites embedded therein, and having maturing temperatures in the range from about 600° C. to about 885° C. and CTEs in the range from about 11 to about 19, more preferably in t... | 09/19/2000 |
| 6110851 | Process for producing a ceramic material based on calcium phosphate compounds and use of this material A method of producing a ceramic material based on calcium phosphate compounds for use in dental medicine by adding a phosphate solution to a calcium salt solution, separating the precipitation formed in the reaction solution from the mother liquor, drying... | 08/29/2000 |
| 6107229 | Aluminofluorosilicate glass The invention relates to an aluminofluorosilicate glass for use in a material for dental restoration, which has the following features: a) a ratio of Al (calculated as Al2 O3) to Si (calculated as SiO2) of 0.57-1.12 by mass; b)... | 08/22/2000 |
| 6090732 | Zinc-doped tricalcium phosphate ceramic material A tricalcium-phosphate-based prosthetic material is disclosed, which is a sintered ceramic body mainly consisting of tricalcium phosphate containing a limited amount of zinc, which is a known element having an osteogenesis-promoting effect, in the form of... | 07/18/2000 |
| 6090194 | Cubic leucite-containing dental porcelains A dental porcelain composition comprising a continuous glassy phase and a discontinuous, substantially uniform crystalline phase comprising cubic leucite. The porcelain exhibits coefficients of thermal expansion in the range of about 11 to about 17×10 | 07/18/2000 |
| 6087282 | Non-greening porcelain compositions Porcelain compositions of the present invention possess non-greening properties and comprise one or more glass or glass-ceramic components. Additionally, an oxygen release agent is included in the compositions. The porcelain compositions may vary dependin... | 07/11/2000 |
| 6086662 | Low fusing dental porcelains containing tetragonal rubidium-leucite A dental porcelain composition, comprising a glassy matrix and rubidium leucite crystallites embedded therein, and having maturing temperatures in the range from about 650° C. to about 800° C. and CTEs in the range from about 13 to about 17, more prefer... | 07/11/2000 |
| 6080811 | Adhesives for dental prostheses Adhesives for dental prostheses, comprising a) as active adhesive ingredient partially or completely neutralized copolymers of from 5 to 95% by weight, based on the copolymer, of one or more acrylic esters of the formula I CH2 .dbd.CR'--COOR ... | 06/27/2000 |
| 6080692 | High-strength, translucent mica glass-ceramics The invention relates to a glass ceramic in which mica and ZrO2 are present in crystallized form, containing: K2 O: 0-9% by weight Na2 O: 0-9% by weight with the condition that Na2 O and K2 O together make... | 06/27/2000 |
| 6056930 | Methods and compositions for mineralizing and fluoridating calcified tissues This invention involves new compositions and methods of use and delivery of amorphous calcium compounds such as: amorphous calcium phosphate (ACP), amorphous calcium phosphate fluoride (ACPF), amorphous calcium carbonate phosphate (ACCP), amorphous calciu... | 05/02/2000 |
| 6054400 | Bioactive glasses and their use The invention relates to a bioactive glass having a suitable working range for glass processing. Said bioactive glass comprises oxides of silicon, phosphorus, alkalis, alkaline earths and optionally other elements such as boron. According to the invention... | 04/25/2000 |
| 6053970 | Storage stable calcium phosphate cements Two component, storage stable apatitic cement compositions, as well as methods for their production, are provided. The dry component of subject apatitic cements comprises basic calcium source particles at least partially coated with a partially neutralize... | 04/25/2000 |
| 6051061 | Calcium phosphate cements and calcium phosphate cement compositions A calcium phosphate cement or the like which shows a low viscosity and excellent handleability in the step of kneading and achieves a high strength of the hardened body even though a kneading liquid is used in a small amount. A calcium phosphate cement co... | 04/18/2000 |
| 6048913 | Coating composition for teeth The present invention relates to a dental coating composition comprising a polymer which has in its molecule one or more phosphorus series acid residues selected from the group consisting of phosphoric acid, phosphonic acid and phosphinic acid and halides... | 04/11/2000 |
| 6045811 | Delivery system for an oral care substance using a permanently deformable strip of material A delivery system for an oral care substance includes a strip of material having a yield point and thickness such that the strip of material substantially conforms to a shape of a tooth and its adjoining soft tissue via permanent deformation under a press... | 04/04/2000 |
| 6043296 | Treated glass polyalkenoate cement Glass polyalkenoate (glass ionomer) cements are used formed into dental crowns, despite their reputedly inadequate toughness, strength and wear-resistance early after forming for such an application, by heating the newly formed glass ionomer crown under a... | 03/28/2000 |
| 6031015 | Dental materials based on liquid crystalline monomers A dental material based on polymerizable monomers is described which contains at least one polymerizable monomer which has liquid crystalline properties. Compared with traditional materials, the dental material displays a lower decrease in volume upon pol... | 02/29/2000 |
| 6027341 | Dental cavity conditioning A process for the conditioning of dental cavities by etching in preparation for bonding restorations to enamel and dentin, comprising the steps: a) etching the dentin part of a dental cavity using an aqueous composition containing, as an active constituen... | 02/22/2000 |
| 6024985 | Bone materials The invention provides a synthetic bone precursor material comprising amorphous calcium phosphate and a constituent that inhibits the crystallisation of calcium hydroxyapatite to amorphous calcium phosphate. The synthetic bone precursor may comprise a mat... | 02/15/2000 |
| 6022819 | Dental porcelain compositions Porcelain compositions of the present invention comprise one or more glass or glass-ceramic powder components. Additionally, one or more opacifying agents, pigments, fluorescing agents and the like may be included in the composition. Based on volume perce... | 02/08/2000 |
| 6013591 | Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production Methods for synthesis of nanocrystalline apatites are presented, as well as a series of specific reaction parameters that can be adjusted to tailor, in specific ways, properties in the recovered product. Particulate apatite compositions having average cry... | 01/11/2000 |
| 6004390 | Tooth surface treatment composition and methods A tooth surface treatment composition includes an acidic component which is at least one water-soluble acid in an aqueous solution, such that when the composition is applied to the tooth surface and not subsequently washed, it will increase the adhesivene... | 12/21/1999 |
| 5997624 | Self-setting calcium phosphate cements and methods for preparing and using them The invention includes methods and compositions relating to calcium phosphate cements, which self-harden substantially to hydroxyapatite at ambient temperature when in contact with an aqueous medium. More specifically the cements comprise a combination of... | 12/07/1999 |
| 5993535 | Calcium phosphate cement and calcium phosphate cement composition A calcium phosphate cement and a calcium phosphate cement composition are disclosed. The calcium phosphate cement comprises a calcium phosphate powder having an average particle diameter of 20 μm or smaller and a tap density of 35% or higher, and a polys... | 11/30/1999 |
| 5989569 | Delivery system for a tooth whitener using a permanently deformable strip of material A delivery system for an oral care substance includes a strip of material having a yield point and thickness such that the strip of material substantially conforms to a shape of a tooth via permanent deformation under a pressure less than about 250,000 Pa... | 11/23/1999 |
| 5980253 | Process for treating hard tissues In a first aspect, a method for treating hard tissue that includes: (a) applying to hard tissue a composition that includes a cationically active functional group, a free radically active functional group, and a polymerization initiator capable of initiat... | 11/09/1999 |
| 5981412 | Bioactive ceramics and method of preparing bioactive ceramics A bioactive ceramic composition including 47 to 51% SiO2, 23 to 25% CaO, 23 to 25% Na2 O and 0 to 6% P2 O5, the bioactive ceramic having a bioacitivity level such that the composition forms at least a thin layer... | 11/09/1999 |
| 5980868 | Methods, compositions, and dental delivery systems for the protection of the surfaces of teeth The present invention discloses applicators containing cationic surface active agents, hydrophobic barrier-forming materials and antimicrobial compounds which form, upon application to dental surfaces, a protective and bacteria-inhibiting film.... | 11/09/1999 |
| 5980625 | Calcium phosphate composition and a setting solution therefor The present invention provides a setting solution for calcium phosphate cement as well as a calcium phosphate cement composition. The setting solution does not cause disintegration of the composition when the composition is used immediately after preparat... | 11/09/1999 |
| 5976234 | Self-setting calcium phosphate cements and methods for preparing and using them The invention includes methods and compositions relating to calcium phosphate cements, which self-harden substantially to hydroxyapatite at ambient temperature when in contact with an aqueous medium. More specifically the cements comprise a combination of... | 11/02/1999 |
| 5968856 | Sinterable lithium disilicate glass ceramic High-strength sinterable lithium disilicate glass ceramics are described which can be further processed in particular by pressing in the viscous state to shaped dental products.... | 10/19/1999 |
| 5968253 | Calcium phosphate cements comprising antimicrobial agents A flowable, paste-like composition capable of setting in a clinically relevant period of time into an antimicrobial agent loaded apatitic product having sufficient compressive strength to serve as a cancellous bone structural material is provided. The sub... | 10/19/1999 |
| 5964932 | Storage stable calcium phosphate cements Two component, storage stable apatitic cement compositions, as well as methods for their production, are provided. The dry component of subject apatitic cements comprises basic calcium source particles at least partially coated with a partially neutralize... | 10/12/1999 |
| 5962703 | Functionalized bicyclic (meth)acrylate, a method of making a bicyclic (meth)acrylate, and its uses Functionalized bicyclic (meth)acrylates with norbornenyl or norbornadienyl groups are described, which may be cured with radicals at room temperature and are particularly suitable as an adhesion-promoting component of dental adhesives.... | 10/05/1999 |
| 5962028 | Carbonated hydroxyapatite compositions and uses Carbonated hydroxyapatite compositions and their preparation are described. The compositions are biologically resorbable and are prepared as flowable masses which can be administered by syringe to set in situ to serve as a support structure, filler, prost... | 10/05/1999 |
| 5961958 | Methods, compositions, and dental delivery systems for the protection of the surfaces of teeth The present invention discloses compositions containing a transfer agent and/or bactericidal compounds, and hydrophobic materials which form, upon application to dental surfaces, adhesive, protective and bacteria-inhibiting barriers.... | 10/05/1999 |
| 5962550 | Dental filling resin composition A dental filling resin composition is disclosed, comprising: a reaction product between an aluminosilicate glass powder containing at least one element selected from Ca, Sr, and Ra and an organic acid containing one or more carboxyl groups in one molecule... | 10/05/1999 |
| 5955513 | Very high viscosity polyvinylsiloxane impression material Improved very high viscosity (putty) two component polymerizable polyorganosiloxane composition for use in making dental impressions, having improved tear strength, handling and wettability. Improved tear strength results from inclusion of a quadri-functi... | 09/21/1999 |
| 5954867 | Self setting calcium phosphate cements and methods for preparing and using them The invention includes methods and compositions relating to calcium phosphate cements, which self-harden substantially to hydroxyapatite at ambient temperature when in contact with an aqueous medium. More specifically the cements comprise a combination of... | 09/21/1999 |
| 5952010 | Paste compositions capable of setting into carbonated apatite Carbonated hydroxyapatite compositions and their preparation are described. The compositions are biologically resorbable and are prepared as flowable masses which can be administered by syringe to set in situ to serve as a support structure, filler, prost... | 09/14/1999 |
