| Patent Number |
Title Of Patent |
Date Issued |
| 5380772 |
Modelling liquid for dental porcelain |
January 10, 1995 |
| A modelling liquid used for building up dental porcelain, comprising:(A) a photopolymerizable compound having at least one ethylenically unsaturated double bond,(B) a photopolymerization initiator,(C) a reducing agent, and(D) a polymerization inhibitor. |
| 5254604 |
Light polymerizable resin compositions for the preparation of clasp patterns |
October 19, 1993 |
| A light-polymerizable resin composition for the preparation of clasp patterns comprises (a) a light-polymerizable compound having at least one ethylenically unsaturated double bond, (b) an organic filler material, (c) a light polymerization initiator and (d) a reducing agent. The lig |
| 5127834 |
Artificial teeth and method for making them |
July 7, 1992 |
| An artificial tooth comprised of an enamel segment, a composite material of a resin matrix composed mainly of a polymerizable compound with a urethane bond and at least two ethylenically unsaturated double bonds, optionally with a polymerizable compound with at least two ethylenically un |
| 5063255 |
Photopolymerizable type resin compositions for dental purposes |
November 5, 1991 |
| A dental photopolymerizable type resin composition is provided, which comprises (a) a photopolymerizable compound that has therein at least one ethylenically unsaturated double bond and is a solid either crystalline or amorphous at 40.degree. C. or lower, (b) an inorganic filler, (c) a |
| 5052926 |
Pallet for handling dental porcelain materials |
October 1, 1991 |
| A pallet for handling water-permeable dental porcelain materials comprises a porous ceramic material formed of one or two or more selected from the group consisting of materials based on alumina, aluminium silicate, mullite, cordierite, zirconia and vitreous china and having a grain size |
| 4997373 |
Artificial teeth for molars |
March 5, 1991 |
| An artificial tooth for molars is of a double structure comprising an occlusal region replaceable by a material which is more durable than a synthetic resin and is selected from the group consisting of a metal, a ceramic, a composite resin and an amalgam, and a bottom region. The pre |
| 4969817 |
Artificial teeth |
November 13, 1990 |
| An artificial tooth has a basal plane in which an areal ratio of a labial or buccal subplane to a lingual subplane is in a range of 10:1 to 1:10, and an angle that both subplanes make with a dental axis, i.e., an angle of retention, assumes a concave shape and is in a range equal to or l |
| 4909738 |
Artificial teeth for anterior teeth portions |
March 20, 1990 |
| An artificial tooth for anterior teeth portions including a concave hollow extending from a basal segment to a lingual incisal segment and located in a substantially central segment, wherein: a percentage of the major diameter of the hollow to the full length is in a range of 10% to 100% |
| 4880887 |
Method for curing dental resins |
November 14, 1989 |
| In curing dental resins, polymerizable compounds having at least one ethylenically unsaturated double bond, such as mono- or poly-functional acrylates or methacrylates are polymerized in the presence of N-cyclohexy-5-ethylpyrimidinetrione, a specific organometallic compound typically |
| 4797096 |
Measuring tool for the selection of artificial teeth |
January 10, 1989 |
| A measuring tool for the selection of artificial teeth includes a substrate on which at least the full-scale mesiodistal highest position of contour of artificial teeth is indicated with the product classification mark thereof. The substrate is provided on the predetermined positions wit |
| 4795345 |
Artificial teeth |
January 3, 1989 |
| An artificial tooth has a length of its buccal side substantially equal to that of a natural tooth and a length of its lingual side in the range of 4.0 mm to a length shorter than the length of its buccal side by at least 2.5 mm. A basal surface is of a concave shape in engagement with a |
