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| Number | Title | Issue Date |
| 4934936 | Dental anchor for retention of dental restoration A dental post for retention a dental restoration onto a prepared tooth stub, includes an elongated cylindrical portion insertable into the tooth stub and a head portion extending from the surface of the tooth stub for securement within the dental restorat... | 06/19/1990 |
| 4932870 | Dental post and method for making the same A dental post for retaining a dental restoration onto a tooth stub and a method for making dental post. The dental post includes a cylindrical body portion and a head portion which extends outwardly from the body portion. The body portion is inserted in a... | 06/12/1990 |
| 4930532 | Beaker holder for use with ultrasonic cleaning device A holder for a beaker insertable in a container of an ultrasonic cleaning device for cleaning medical or dental tools, dentures, or the like, in a cleaning solution contained in the beaker. The holder includes a ring-shaped member, which receives the beak... | 06/05/1990 |
| 4917606 | Threaded dental anchor A self-threading dental anchor for insertion into a blind channel extending from an excavated surface of a tooth, the channel having a tapered seat portion of predetermined degrees, the dental anchor including an upper retention section to provide retenti... | 04/17/1990 |
| 4885965 | Rotary saw for sectioning dental models A rotary table saw for sectioning dental models having a housing with a base portion and a working table mounted on the base portion. The working table is controllably depressible so as to be moved upward and downward with respect to the base. The motor h... | 12/12/1989 |
| 4854871 | Method and apparatus for providing a level surface on a tooth root A method and apparatus for forming a counterbored channel into the top surface of a tooth root in preparation for receiving a dental post and core during the fabrication of a superstructure on the tooth root. A dental tool is utilized for forming a counte... | 08/08/1989 |
| 4850874 | Dental pin system A dental pin system including an enlongated pin having a plurality of pin sections each of which can be sheared from the next adjacent section by means of a reduced diameter frangible throat portion. The upper end of the pin includes a flattened tang whic... | 07/25/1989 |
| 4834095 | Probe unit for electro-surgical device A probe unit for an electro-surgical device to apply high level frequency voltage to an operating area, the probe unit including an operative end portion provided with a forward cutting tip, and a rear housing connector portion provided with a ferrule rot... | 05/30/1989 |
| 4831066 | Dental compositions comprising oligomer of hexahydrophtalic anhydride, glycidylmethacrylate and 2-hydroxyethyl-methacrylate Dental restorative compositions comprising a polymerizable poly functional methacylate having the chemical structure: ##STR1## wherein n=1-3, and a filler are disclosed, the binder oligomer and polymer formed are also taught.... | 05/16/1989 |
| 4820159 | Dental post and core assembly A dental core and post assembly for use in the formation of a dental core for the restoration of a tooth structure. The dental post assembly includes a support structure for positioning into a prepared tooth root to be restored. At least one leg depends f... | 04/11/1989 |
| 4817839 | Rotary saw and method for sectioning dental models A rotary table saw for sectioning dental models having a housing with a base portion and a working table mounted on the base portion. The working table is controllably depressible so as to be moved upward and downward with respect to the base. The motor h... | 04/04/1989 |
| 4801264 | Dental pin and bushing assembly A dental pin and bushing assembly for coupling of a removable die portion of a tooth from a working cast. The pin includes an axially extending head portion which can be secured within the die. The coaxial body portion depends from the die portion and inc... | 01/31/1989 |
| 4767332 | Threaded dental anchor A self-threading dental anchor including a proximal head end providing a manipulating end section for permitting the coupling thereof to a cooperating driving tool, and a threaded anchoring portion extending from the proximal head end. The anchoring porti... | 08/30/1988 |
| 4759715 | Dental pin assembly A dental pin assembly including an elongated dental pin inserted within a magazine sleeve. The magazine sleeve is removably inserted into the distal end of a shank and locked in place. The shank in turn is driven by a handpiece or manual driver for rotati... | 07/26/1988 |
| 4758159 | Adjustable mandrel An adjustable mandrel for grasping and supporting a workpiece such as a dental retention device. The mandrel includes a stationary jaw having a body portion with a dependent grasping leg, and a movable jaw also having a body portion with a depending grasp... | 07/19/1988 |
| 4729736 | Contoured dental posts A dental post for securely retaining a dental restoration on a prepared tooth stub. The dental post is formed of an elongated cylindrical pin having a longitudinal axis. Helical grooves are provided about the periphery of the pin for retaining the pin sec... | 03/08/1988 |
| 4708648 | Dental model protective carrier A protective carrier for a dental model including a tray portion hinged to a cover portion, a recessed cavity being provided in the tray portion to receive the pedestal part of the dental model. An arcuate rib member is removably coupled onto the tray por... | 11/24/1987 |
| 4674545 | Method and apparatus of forming a flexible dental retaining splint An apparatus for forming a continuous length of flexible retaining splints including a plurality of body sections interconnected by eyelet sections. Each body section includes a number of core wires which are wire wrapped by a wrap wire. The eyelet sectio... | 06/23/1987 |
| 4616999 | Bonding dental pin A bonding dental pin for aiding in the retention of a thin layer of bonding material onto a tooth structure, the bonding dental pin including a lower anchoring portion for securement into the tooth structure. A coaxial cylindrical neck portion of the pin ... | 10/14/1986 |
| 4600392 | Contoured dental post A contoured dental post for retaining a dental restoration onto a prepared tooth stub, the dental post includes an elongated cylindrical body portion having peripheral grooves for anchoring the body portion within a cement prepared bore in the tooth stub.... | 07/15/1986 |
| 4522591 | Articulator for holding dental models Articulator (1) for holding dental models with a stationary base (2) for the lower jaw model and an upper part (3) which is attached thereto in such a way that it can be swiveled, for holding the upper jaw model, with mountings (11, 12) in the upper part ... | 06/11/1985 |
| 4507112 | Infusion monitor An infusion monitor for feeding liquids to patients which is light weight so that it may be easily hung on a liquid dripper and which is provided with means for pre-setting the volume infused and the rate of infusion. Means are also provided for automatic... | 03/26/1985 |
| 4500296 | Method and apparatus for reinforcing dental anchors A dental tool for wire wrapping a portion of a dental anchor projecting from dentition, the dental tool including an elongated rod with a cylindrical receiving chamber axially extending into the rod from a forward end thereof for receiving the projecting ... | 02/19/1985 |
| 4479783 | Helically fluted dental post A dental post for retaining a dental restoration in a secured position on a prepared tooth stub, the dental post including a cylindrical elongated pin having a plurality of spaced apart, individual, external helical flutes longitudinally disposed about th... | 10/30/1984 |
| 4459107 | Dental impression tray and method of use A dental impression tray for forming a dental prosthesis, the dental tray including a trough-like configuration. A valve device is provided for adjustable placement within slots in the outer walls of the tray, the valve device being suitably placed with r... | 07/10/1984 |
| 4375965 | Dental impression tray assembly A dental impression forming apparatus including a dental impression tray in which a negative impression of a dental area is to be formed in dental impression material. Apertures are provided in the tray for passage of dental impression material therethrou... | 03/08/1983 |
| 4362165 | Stable gel electrode A disposable electrode comprising an annulus of foam, a substantially uniform electrode gel in a central region of the annulus, a conductive layer in the electrode gel and making electrical contact with it, and a cap over the conductive layer, electrode g... | 12/07/1982 |
| 4354840 | Splinting device for anterior teeth A dental splinting device preferably for use in conjunction with at least one anterior tooth. The device includes an elongated bar-like body member having a rear wall, a front wall, and a base wall interconnecting said front and rear wall. Preferably, the... | 10/19/1982 |
| 4348183 | Dental post provided with a restorative material retainer A holding device for a dental prosthetic structure having an externally threaded elongated post which can be inserted within a bore in a tooth stub. An elongated slot is formed on the outer surface of the post. A retaining nut threads onto the post and in... | 09/07/1982 |
| 4337043 | Dental anchor A dental anchor is disclosed comprising an elongated body member for insertion into a channel in a tooth in order to anchor a superstructure to the tooth. The body member has at least one section with a substantially square cross-section. The longitudinal... | 06/29/1982 |
| 4332563 | Flexible dental retaining splint A flexible dental retaining splint which is disposable in a channel extending between adjacent teeth, the retaining splint being formed of a wire core with a wire coil being wound about the core with the turns of the coil being in a juxtaposition. Wire lo... | 06/01/1982 |
| 4323347 | Dental tool for use with dental retaining splints A dental tool for use in conjunction with a dental retaining splint, the dental tool including an elongated handle having a splint manipulating device at one end thereof which provides a spring held twist-lock clamp for the dental splint to facilitate the... | 04/06/1982 |
| 4318746 | Highly stable gel, its use and manufacture An improved gel comprises a first polymer that dissolves, disperses or hydrates in hot water and forms or can be made to form a rigid gel on cooling, a second polymer that is insoluble in hot water and that dissolves or hydrates on cooling and is compatib... | 03/09/1982 |
| 4306866 | Adjustable dental drill guide An adjustable dental drill guide for locating and permitting the drilling of accurately spaced apart holes for receiving a dental retaining splint. The drill guide includes two telescopically arranged portions which can be secured together in a preselecte... | 12/22/1981 |
| 4303391 | Dental bore-locating guide A dental guide for locating suitable positions at which bores are to be drilled in teeth for receiving a dental retaining splint, the guide being formed of a material which is detectable under x-rays. The guide includes a continuous rod shaped into a conf... | 12/01/1981 |
| 4251216 | Dental splinting device A dental splinting device includes an elongated bar-like member having a tapered mid-section along its elongated direction, which separates wider end sections to provide a dog bone-like configuration. A substantially flat surface is provided on one face t... | 02/17/1981 |
| 4251210 | Dental positioning device A dental positioning device for facilitating the accurate placement of a drill guide on teeth in order to drill spaced apart aligned bores in which a dental retaining splint is to be received. The positioning device is formed of a continuous wire includin... | 02/17/1981 |
