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| Number | Title | Issue Date |
| 4468251 | Gold containing preparation for coating metallic parts (II) There are applied gold containing preparations as intermediate layers for facing fired on alloys with ceramic compositions in the dental art. These gold preparations should improve the adhesiveness, form a structured surface and make possible a saving in ... | 08/28/1984 |
| 4427383 | Tooth reconstruction Apparatus and method for applying a core and crown to a tooth having a cleaned-out root canal, including a threaded post having a nut threaded on and positioned therealong.... | 01/24/1984 |
| 4408990 | Endodontic dental implant An endodontic implant for insertion into the jawbone of a patient through a bore formed in a tooth to stabilize the tooth. The implant comprises an elongated post having sides tapering inward from a larger diameter first end to a smaller diameter second e... | 10/11/1983 |
| 4371340 | Dowell pin and method of making dental models A dowel pin is mainly made of the hard plastics and is substantially composed of a head to be implanted in the tooth model (primary plaster) and a pin body, a major portion of which is supported in the denture model (secondary plaster), and the pin body i... | 02/01/1983 |
| 4362511 | J Bolt A threaded device is provided which can be screwed into the tooth root of a broken tooth to aid in the attachment of a crown or similar prosthesis. The threaded device has a head which is in the shape of a spherical segment of less than a hemisphere which... | 12/07/1982 |
| 4362508 | Method and an apparatus for the production of a core for a root-filled prepared tooth For the production of a core for a root-filled prepared tooth the root canal (11) of the prepared tooth (10) is filled with an impression material (27) which is injected at the bottom of the root canal to successively fill the root canal from the bottom t... | 12/07/1982 |
| 4355978 | Patrix for the production of a gold core for a prepared root-filled tooth In a method for the production of a gold core for a prepared root-filled tooth, the prepared root canal of the tooth is filled with a gasifiable setting impression material. A prefabricated core patrix, preferably of plastic, which consists of a core port... | 10/26/1982 |
| 4283176 | Endodontic-prosthetic stabilization system An endodontic implant comprises a smooth, non-threaded partially tapered shank having an integral crown portion on which an artificial tooth crown or denture is supported. The shank is implanted in the root canal of a tooth stump and through its apex into... | 08/11/1981 |
| 4253835 | Post and sleeve arrangement Disclosed is a dental arrangement and method for restoring broken teeth which require a crown and a retention post for securing the crown in a post hole formed in the tooth. The post hole is dimensioned to receive a first sleeve, which in turn is dimensio... | 03/03/1981 |
| 4239489 | Dental threaded tapered post with vent A dental post for build up of a tooth crown is characterized by an outer threaded structure having an upper cylindrical part and a lower tapered part and provided with a longitudinally extending vent. The post can be screwed or cemented into a reamed toot... | 12/16/1980 |
| 4208506 | Polyparaffinsiloxane shaped article for use in biomedical applications Monomeric polyparaffinsiloxanes end-capped with activated unsaturated groups and polymers and copolymers thereof are disclosed herein for use as contact lenses and biomedical devices with improved properties, such as, oxygen transportability, hydrolytic s... | 06/17/1980 |
| 4203217 | Attachment of tooth crowns A post for attaching a tooth crown to a natural tooth root is disclosed which comprises a screw-threaded shank having a plurality of collars in screw-threaded engagement therewith, the collars being adjustable axially of the shank. A method of attaching a... | 05/20/1980 |
| 4178688 | Removing post from human bony structure A post broken off from a cap previously retained in human bony structure, such as a human tooth, is removed from a hole in the tooth within which the post has been retained, as by cement. The removal is effected by a hollow rotary drill having tooth cutte... | 12/18/1979 |
| 3979829 | Apparatus for preparing a tooth stump for a crown A rotary cutting tool for the reception in a dental drill and use in preparing a tooth stump for the mounting of a tooth crown has a frustoconical cavity and a frustoconical lateral exterior surface. The exterior surface shape facilitates manipulation of ... | 09/14/1976 |
| 3962787 | Attaching a tooth crown to un-parallel tooth root systems A method for attaching a tooth crown to a parallel or non-parallel tooth root system or single rooted tooth in one form comprising the following steps: A. drilling a pin-mated hole in one or each of the root filled tooth roots to be used for fixation of t... | 06/15/1976 |
| 3949476 | Device useful in dental crown procedures and method of using the same A device and method useful in the restoration of an abraded or broken tooth by the application to the stub, of a crown to replace the abraded or broken portions, the crown being secured to a prepared core. There is disclosed a "direct" method of preparing... | 04/13/1976 |
