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Class 433/74 - Dowel pin or positioner therefor


Subclass of Class 433 - Dentistry
Definition: Apparatus comprising either (a) an elongated member for
No. of patents: 113
Last issue date: 05/27/2008


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NumberTitleIssue Date
7377779Method and apparatus for repositioning teeth
A system for straightening teeth includes a casting of teeth that is made of a rigid material, and a gum casting made of a flexible material that is joined to the teeth casting. A respective articulating tool for each tooth is provided with a post that is embedded i...
05/27/2008
7338283Dental prostheses modeling system with symmetric double-well trays slidably mountable to articulator
A dental prostheses modeling system includes a molding tray for molding the base of a quadrant or full-arch dental model cast which has a longitudinally disposed partition panel disposed generally between upper and lower surfaces of the tray that forms therewithin a...
03/04/2008
7278851Pin construction for two-piece model and system
A model and die system includes a working quadrant having an upper flat surface. Pin-receiving tapered bores are formed in the upper flat surface and a thin metallic foil covers the bores. Cast teeth are supported by the working quadrant and each cast tooth has at l...
10/09/2007
7220124Method for preparing a physical plaster model
The invention provides a method for creating a physical teeth model. The method comprises the following steps: providing a virtual three dimensional (3D) representation of a patient's dentition that comprises at least a region of the teeth that includes a tooth stum...
05/22/2007
7210932Pin-tray dental prostheses modeling system
A dental prostheses modeling system includes a tray having in an upper part thereof a trough for receiving a semi-liquid modeling material or casting material such as plaster of Paris or die stone, the trough having opposed vertical walls in which are formed alterna...
05/01/2007
7192278Base assembly for fabrication of false teeth
A base assembly for fabrication of false teeth includes a base, and a gum-like raised portion is provided on the said base, a plurality of protruding blocks are provided symmetrically and evenly at the interior and exterior arc edges on the raised portion, and posit...
03/20/2007
7175437Dental bridge holder alignment mechanism
A positioning aid, formed T-shaped, is adhesively attached to portions of a broken denture plate prior to placement of the dental plate portions into a dental impression tray whereby the positioning aids extend into and are embedded into the impression material in t...
02/13/2007
7156660Dental model pouring jig
The dental model pouring jig of the present invention includes a base member that supports a model base support member and a mold support member. The model base support member is secured to the base member and is capable of mounting a dental model base. The mold sup...
01/02/2007
7147465Dental modeling and articulating system and method
A dental articulating system to duplicate a patient's teeth for producing a dental prosthesis includes a pair of trays pivotally coupled together. A plurality of registration pins is disposable in a plurality of registration pin holes formed in at least one of the t...
12/12/2006
7121826Method of manufacturing an orthodontic model, and an orthodontic model produced thereby
An orthodontic model has a single block body made of catalyzing acrylic resin with a pair of prism boxes inversely positioned and interconnected by a pair of posterior walls with a window, the prism boxes have covers of the same shape and are provided with perimetra...
10/17/2006
7112061Dental articulator
A dental articulator for connecting first and second dental models generally includes upper and lower arms hinging at their rear ends by a hinge. Each arm front end is connected by a coupling to a dental model. Each coupling generally includes a ball, a coupling, a ...
09/26/2006
7108508Manipulable dental model system for fabrication of a dental appliance
A dental appliance fabrication system includes a reconfigurable dental model including a frame having one or more tooth members disposed on the frame; and one or more micro-positioners each coupled to one tooth member to move the tooth in six degrees of freedom rela...
09/19/2006
7108507Dental model pouring jig
The dental model pouring jig of the present invention includes a base member that supports a model base support member and a mold support member. The model base support member is secured to the base member and is capable of mounting a dental model base. The mold sup...
09/19/2006
7083413Method for producing dental models
An improved method for producing dental models through use of a dough-like modeling filler material as a base, embedding a dental preliminary impression in such based, using a spring-form mold ring embedding in the base to surround the preliminary impression, and po...
08/01/2006
6932608Two-piece model and die system
A model and die system has a working quadrant of parallelepiped construction and a opposing quadrant of the same construction. The working quadrant has an upper flat surface disposed in confronting relation to a lower flat surface of the opposing quadrant. Pin-recei...
08/23/2005
6913462Pin tray dental prostheses modeling system with re-usable tray
A dental prostheses modeling system includes a re-usable tray having in an upper part thereof a trough for receiving a semi-liquid casting material such as plaster of Paris or die stone, the trough having opposed vertical walls in which are formed alternating vertic...
07/05/2005
6884072Refractory die with pin for teeth restoration and method
A refractory die removably mountable to a base with a model die for use in producing a crown or veneer to be attached to a tooth to be restored. The model die, produced from die stone, is removably mounted to the base with a portion of the model die corresponding to...
04/26/2005
6695615Device for separating a dentition model form a supporting plate
The present invention provides for a device for use with denture models comprised of a supporting plate having upper and lower sides, and having at least one opening located on the upper side. An area for receiving retention pins is provided on the upper ...
02/24/2004
6672869Plug connection for jaw stump models
A plug connection for jaw stump models for the releasable connection of tooth crown segments or jaw segments to a model base, which includes a plug pin (1) which can be connected in snap-lock fashion with a sleeve (12). A non-rotationally symmetric design...
01/06/2004
6511318Dental articulator
A dental modeling system includes a pair of supports for opposing dental casts which are articulated together by a pair of pivotally connected articulator arms. The support may include a plurality of integral registration pins extending from a top surface...
01/28/2003
6485302Dental articulator
A dental modeling system includes a pair of supports for opposing dental casts which are articulated together by a pair of pivotally connected articulator arms. The support may include a plurality of integral registration pins extending from a top surface...
11/26/2002
6478580Coordinative dental die interlocking system
A coordinative dental-die-interlocking system includes a dental-die pin (1) anchored in a tooth-die base (4) and inserted removably in a die-pin sleeve (2) that is anchored in a dental-model base (6). The dental-die pin includes a pin that lock-fits in th...
11/12/2002
6471513Dental model base assembly
A dental model base for supporting a cast dental model where the dental model base has preformed apertures adaptable for securing the dental model to the dental model base and for disengagably retaining a segment of the dental model representing a tooth t...
10/29/2002
6431862Connecting pin and socket connection for fastening dental crown or jaw segments
A connecting pin for a socket connection for fastening dental crown or jaw segments to a model base comprises a fixing shank and a socket shank. The socket shank can be inserted releasably into a seat in a guiding sleeve which is accommodated in the model...
08/13/2002
6402513Dental model articulator
The articulator of the present invention provides relative manipulation of dental casts for simulation of occlusal and masticatory movements of the mouth. The articulator consists of three parts--a lower frame, an upper frame, and a middle frame. The lowe...
06/11/2002
6318999Dental articulator
A dental modeling system includes a pair of supports for opposing dental casts which are articulated together by a pair of pivotally connected articulator arms. The support may include a plurality of integral registration pins extending from a top surface...
11/20/2001
6227851Manipulable dental model system for fabrication of a dental appliance
The present invention provides a manipulable or reconfigurable dental model system and methods for its use to model a series of tooth configurations corresponding to sequential tooth movements during an orthodontic treatment. When a patient undergoes orth...
05/08/2001
6217326Mold for producing a model of a tooth
The invention relates to a mold for producing the model of a tooth from a dental impression (28), comprising a peripheral wall (12), a model plate (38) which is tightly arranged on the top thereof and an impression spoon (14) bearing the dental impression...
04/17/2001
6149428Mould for forming a basis for a dental cast model
A mould for casting a base for a dental model when reconstructing teeth for dentures or parts thereof and including a base plate along the edge of which a mould cavity is placed, the mould cavity including a bottom with fixating structures for the dental ...
11/21/2000
6123544Method and apparatus for precise bond placement of orthodontic appliances
A method and apparatus is provided for precisely positioning and bonding orthodontic appliances such as brackets and buccal tubes to a patient's teeth. The method and apparatus includes the use of a transfer tray and arms that are connected to the transfe...
09/26/2000
6050817Model die ejector
A dental model die ejector tool is designed to loosen the individual model dies mounted on a model base with a tapered dowel pin extending through the base, but at the same time not to lift them for any substantial distance. In turn, that loosening step a...
04/18/2000
5788490Dental model base and method for forming stone dowels
A premanufactured dental model base, and method, for supporting a cast dental model where the dental model base has preformed apertures adaptable for securing the dental model to the dental model base and for disengagably retaining the dental model segmen...
08/04/1998
5775899Dental model base having integral pins
A premanufactured dental model base is disclosed for supporting a cast dental model. The dental model base has preformed integral pins adaptable for securing the dental model to the dental model base and for disengageably retaining a dental model segment ...
07/07/1998
5752831Dental implant replica
A dental implant replica fixable to models made of scagliola has an element adapted to carry a wax prosthesis, a fixed part fixable in a scagliola model to remain an integral part of the scagliola model, and a removably mountable part which is removably m...
05/19/1998
5738518Method of producing a dental model as well as a fastening element, a model baseplate, a positioning plate and fastening systems to carry out the method
A model baseplate made of plastic for producing a dental working model has cutouts for receiving fastening elements, each having two recess-like bearing regions which are located opposite one another transversely to the direction of the maxillary arch, ex...
04/14/1998
5658143Dental articulator having dowel pins and support pins
A dental articulator (10) having a first arch (12) for receiving a dental cast of teeth having a first grid pattern (30) that includes a first plurality of dowel pin holes (60) that define multiple dowel pin locations for receiving a first plurality of do...
08/19/1997
5647744Set of casting elements for the realization of gypsum models for dental prosthesis, and casting systems employing said elements
The invention concerns a set of casting elements for the realization of gypsum models for dental prothesis comprising a series of elements made up of rubber material opened above and at the bottom, and perimetrically closed, shaped in such a way to allow ...
07/15/1997
5611686Pin stabilizer for dental model
A pin stabilizer fir dental models (14) has a plurality of positioning pins (1) extended from an articulator base plate (2) for insertion into positioning sleeves (3) that are cast in a dental model while the positioning pins are in the positioning sleeve...
03/18/1997
5597303Device and method for confirming bite registration for dental implants
The invention relates to a device and method for confirming bite registration for dental implants. The device has an elongated plate having one or more openings formed at an angle to a longitudinal axis of the plate. A hollow post has an exterior wall cor...
01/28/1997
5569033Pinned dental models and their preparation and use
A dental model for use with or without articulating devices, wherein the model has a front face and a rear face, at least one dowel pin affixed to the model and having a free end positioned outwardly from the rear face, a recess form nut having a bore whi...
10/29/1996
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