Abstract: A dental articulator structure for use in registration of a pair of casts of a dental model which are positioned in an opposing and spaced relationship. The articulator structure includes at least one axially rigid support member having opposing ends from which multi-piece cast attachment members may be orthogonally attached. The at least one axially rigid support member and the orthogonally attachable cast attachment members being an articulator structure that locates the axially rigid support member substantially close to the back molar face of the opposing pair of dental model casts such that confronting translational movement of the dental model casts is prevented in a plane parallel to the axially rigid support member, especially confronting translational movement in a region where back molars may be missing in a dental model.

Abstract: In a device (51) for holding an in particular plate-like implement (52) serving for forming teeth, in particular a positioning calotte, in an articulator (1), having a holder (55) for the implement (52) which is held on the articulator (1), upon employment of an articulator (1) with a detachable upper part (37) and upon employment of only the lower part (35) of the articulator (1) the holder (55) is mounted on the joint parts (36) of the lower part (35) pivotably about the pivot axis (5) containing the joint parts (36).

Abstract: A method for representing position and function of the jaw and bite of an individual. Information regarding at least one part of the jaw and bite of the individual is input into the memory of a computer. Vertical sections derived from the input information are displayed on a display be initiating first controls of the computer. A construction representing the vertical sections is produced. A model of the construction is produced. The model is applied to an articulator, wherein the articulator exposes and simulates position and function of the jaw and bite of the individual.

Abstract: The present invention relates generally to an accessory device for a dental articulator and method for using the device in the construction of dental prosthetics. More particularly, the present invention relates to a vertically adjustable occlusal plane table and mounting platform that may be used with a variety of articulators in the mounting of casts, the selection of an occlusal plane, the positioning and setting of upper and lower artificial teeth, and other procedures in the fabrication of removable and fixed dental restorations.

Abstract: A dental articulator structure for use in registration of a pair of casts of a dental model which are positioned in an opposing and spaced relationship. The articulator structure includes at least one axially rigid support member having opposing ends from which multi-piece cast attachment members may be orthogonally attached. The at least one axially rigid support member and the orthogonally attachable cast attachment members being an articulator structure that locates the axially rigid support member substantially close to the back molar face of the opposing pair of dental model casts such that confronting translational movement of the dental model casts is prevented in a plane parallel to the axially rigid support member, especially confronting translational movement in a region where back molars may be missing in a dental model.

Abstract: A dental model and articulator system comprises upper and lower dental casts that each receive a corresponding anchor in their respective vertical posterior faces. A generally rectangular articulator main body has a transverse horizontal hinge attachment on its top that connects to an upper arm and the anchor on the upper dental cast. A vertical pivot is provided in the bottom end of the articulator main body that connects to the anchor on the lower dental cast. The upper and lower anchors attach to their respective articulator parts with a stem-in-sleeve arrangement that allows independent lateral tilting of both the upper and lower dental casts for occlusal and masticatory registration and fixing with glue. The vertical pivot also attaches to the articulator main body with a stem-in-sleeve arrangement that allows further degrees of freedom for the occlusal and masticatory registration between the upper and lower dental casts and for fixing the registration with glue.

Abstract: A dental articulator comprises-a maxillary clamp, a clamp support, a mandibular clamp and a mandibular clamp detent. The clamp support includes a first post defining a first set of engagement sites, a second post defining a second set of engagement sites, and a hinge pivotally supposing the maxillary clamp. The mandibular clamp detent engages with corresponding engagement sites of the first and second sets of engagement sites to position the mandibular clamp relative to the maxillary clamp. In preferred form, the mandibular and maxillary clamps each include a collet for embracing a first dental model and a cam threadedly engaging the collet for tightening the collet around such a dental model. In an especially preferred form, the collet includes a flexible band defining periodic apertures along a length of the band and the cam defines a thread engaging a potion of the periodic apertures to loosen or tighten the collet.

Abstract: A technique for creating "universally" calibrated dental articulators includes using a replica which simulates upper and lower dental models of a patient to properly align mounting plates to an articulator. The mounting plates are releasably attached to the replica before upper and lower frame members of the articulator are closed about the replica and fixed to the mounting plates. The replica is then detached from the mounting plates and used to form additional articulators identically calibrated with mounting plates. Base plates releasably attachable to the mounting plates are then used to form and mount the dental models. A first base plate is fixed to a first dental model and is then releasably attached to a mounting plate on the articulator. A second base plate is then releasably attached to the opposing mounting plate on the articulator.

Abstract: An articulator for a dental model consisting of two dental casts, includes two connecting members 16 for partial embedding in a settable material, a pair of connectors 14 and a hinge 12 consisting of two hinge elements 22. Each connecting member 16 forms one part of a spigot and socket joint and each pair of connectors 14 forms a second part of a spigot and socket joint. Each pair of connectors 14 has an interlocking formation for interlocking engagement with one of the hinge elements 22. The hinge elements 22 are pivotally linked and each has an interlocking formation complementary to the interlocking formations of the connectors 14.

Abstract: An appliance for the three-dimensional adjustment of the maxillary cast is mounted by means of a screw on an articulated part. The appliance includes a first measuring element whose tip cooperates with a first reference point on a central incisor of the maxillary cast. The appliance includes also a second and a third measuring element whose tips correspond each with a further reference point on a first molar of the maxillary cast. Each of these measuring elements can be adjusted separately and three-dimensionally to the desired position by the special design of the appliance.

Abstract: A method and apparatus for performing a head-related model incorporating for transferring a jaw model between articulators of different types. The apparatus for the head-related incorporation of jaw models includes an articulator base plate, a ground plate connected to the articulator base plate and a cylinder having a cylindrical cavity connected vertically to an upper surface of the ground plate. A piston is inserted in the cylindrical cavity. A carrier plate is connected to the end of the piston opposite the articulator base plate. A split cast plate is positioned on the carrier plate and exactly repositionable via magnetic connection between the split cast plate and the carrier plate. A fixation element is connected to the carrier plate. An articulator mounting plate is supported by and connected to the split cast plate via a hardened viscous medium.

Abstract: A characteristic of optimal facial harmony is a correlation of the A/P (Anterior/Posterior) position of the maxillary incisors with the forehead. When the forehead is canted about 7 degrees or less, the A/P position of the maxillary incisors should match that of the middle of the forehead. For every degree the forehead is canted more than 7 degrees, the A/P position of the maxillary incisors should be 0.6 millimeters more anterior than the middle of the forehead. The extent to which the A/P position of the maxillary incisors is forward or back of the forehead's midpoint can be judged in millimeters quite accurately by viewing a patient in profile with the patient's forehead and maxillary incisors fully bared. Once the linear decision is made then the A/P treatment goal position can be physically measured and recorded using a novel bite fork (58), an improved facebow (56), and a new piece of equipment called a verticalizer (60).

Abstract: Method for fixation of different positions of a model (2) of the mandible relatively to a model (1) of the maxilla of a patient. One of the models consists of two members (15, 16) namely a tooth member and a socket member unified along coinsiding joint surfaces forming a common boarder plane (19) in a predetermined mutual position. The method comprises impressions of the teeth of the mandible and maxilla respectively are made in an index (54) in the shape of a plastically deformable plate, partly in a thick plate and partly in a thin plate. The mandible and maxilla models (2) are positioned in an articulator (5) so that they coinside with the thick index. The thick index is replaced with the thin index, forming an interspace between the joint surfaces of the divided model. The interspace is cast by filling the space with a cast mass, obtaining a removable interlayer plate.

Abstract: Device for making plaster models, total or partial dental arch replicas, used for dental reconstitutions and mounted on an occlusion device or articulator, comprising two articulated parts, respectively a higher part (1) and a lower part (2), and each having a reception cup (3). Each cup (3) receives a removable cupel of which the peripheral external wall (8) assumes the shape of the internal wall of the cup (3), said cupel (6) being set in the cup (3) when making the model; each cup (3) is comprised of removable fixing means (5, 11, 12) for fixing the cupel (6).

Abstract: An articulator for dentistry comprises a base plate, an extension plate arranged at a distance from the base plate, a frame including two parallel columns and a traverse turnably supported between the columns at a distance from the base plate. The base plate and the extension plate forming mold supports. The frame has a frame opening. A pin-shaped connecting element fixes the mold supports on the frame and extends partially through the mold opening with a radial play so as to form an intermediate space between the pin-shaped connecting element and a wall of the frame opening, and a hardenable material fills the intermediate space.

Abstract: A device for measuring pressure transmitted to the mandibular alveolar ridge as well as the amount of applied pressure necessary to shear off various types of food, in full upper and lower dentures. The device comprises a denture-receiving articulator to which a measured pressure is applied to upper dentures and the pressure then transmitted to the lower dentures to be measured.

Abstract: A dental articulator for use with a dental stone comprising; a lower jaw member and an upper jaw member mounted to the lower jaw member. One of said jaw members is provided with a pivot post and a key member and the other jaw member defines a apertre which fits around the pivot post and a key way which selectively receives the key member for positioning the jaw members in a selected fixed positional relationship. A plurality of slots are formed in each jaw member to give the jaw member flex in the vertical and lateral direction and serrations are formed in the end of each jaw member to prevent rotation out of the dental stone. A dowel holding rod with associated dowel pins mounted thereto is mounted to the ends of each jaw member for mounting in selective jaw casts in one embodiment of the invention.

Abstract: A dental articulator principally having a posterior articulating assembly, an anterior incisal support assembly and a mold assembly. The posterior articulating assembly is characterized by a ball and socket joint and a pivot joint. The ball and socket joint has a socket member which is operably coupled to the pivot joint and a ball member which is operably coupled to a first teeth cast. The pivot joint has a pivot member operably coupled to a support member for joining the pivotal joint to a second teeth cast. The anterior incisal support assembly has an incisal pin operably joined to the first teeth cast and an incisal plate, which cooperates with the incisal pin, joined to the second teeth cast.

Abstract: A dental articulator incorporates members which are models of the patient's upper jaw and mandible, and incorporates six servo motors connected to the mandible member, for movement of the same about three orthogonal translation axes, and three orthogonal axes of rotation.

Abstract: A universal articulator for prosthodontic use includes upper and lower frames with respective horizontal branches. The rear end of the upper frame has inclined wings with slots. The front end of the lower frame has an incisal tray that is inclined. An incisal pin extends from the incisal tray to the upper frame. Articulator pins extend from the lower frame into the upper frame slots. The articulator pins are in different length pairs and the incisal pins are of different lengths and the pins are substituted for accomplishing adjustable spacing between the horizontal branches of the upper and lower frames which are held parallel and horizontal. A dental plaster supporting dental plate is removably supportable on and removable from one or each of the branches by an attachment element easily removed. Alternatively, dental plaster supporting retaining pins extend across the frames.

Abstract: The module for an apparatus (system) to produce upper and lower jaw full prostheses has an instrument holder (66) consisting of a baseplate (3), supporting two upright pillars (4) and a tilting arm (6) that can be pivoted on a horizontal axis (5) around the pillars (4), on which auxiliary instruments developed for individual work processes can be adapted.In terms of auxiliary instruments, the module has an infinitely adjustable levelling table (9) set on the baseplate (3), a lower jaw alignment key (10), an impression or mounting plate (7, 8), an upper jaw model alignment key, a domed setting aid for correct setting of teeth on the lower jaw full prosthesis and a domed setting aid with dummy tooth for correct setting of the 1st right and left tooth on lower jaw full prostheses, which can be attached to the instrument holder (66) in a secure position and interchanged.

Abstract: A flexible mold and method of forming a base defining either a full base or quadrant base of a dental model is provided with a perimeter member for defining the side walls of the base and a shelf extending inwardly from the rear side wall for delineating a slot at the rear of the base, which slot is usable for adhering an arm of an articulator. The configuration of the slot and/or the rear side wall of the base is striated for better adherence with the attached articulator.

Abstract: This occlusion simulator for dental prostheses, reproducing mandible motions, mainly consists of two articulated forks connected by a small rod. The upper fork is connected to the small rod via the fork-holder and the longitudinal articulation pin. The lower fork is connected to the small rod via the lower fork-holder and the ball-joint whose lateral excursion is limited by side plates mounted on the sides of the upper fork-holder and by pistons with return springs.

Abstract: A dental articulator includes a pair of attachment members, each adapted to engage a dental casting and a hinge unit including two pivotably interconnected retaining members, each adapted to engage one of the attachment members by means of a joint which may be selectively and reversibly immobilized. The two retaining members are interconnected by a hinge which provides a pair of spaced apart pivot axes for pivoting each of said members and which further provides for the ready and reversible separation thereof.

Abstract: A mounting apparatus for a dental articulator including a stationary base, a rigid support member extending from the base and an upper clamp for releasably receiving and supporting the articulator upper member. An adjustable support piece is retained on the rigid support member and is adapted to contact the articulator lower member to limit the lowermost position thereof while permitting at least lateral movement of the articulator lower member relative to the articulator upper member to thus stimulate human jaw movements.

Abstract: A dental articulator is formed by mounting upper and lower frames of an articulator on a precisely formed alignment block. Condylar elements are captured by fixtures attached to the upper frame, while pedestals for the condylar elements have their lower ends extending into flowable bonding material positioned in sockets in the upper frame. The bonding material sets while the condylar elements are precisely held by the upper frame.

Abstract: Apparatus for making dentures comprising a base, an articulating member pivotally mounted to the base and adjustable with respect thereto, magnets on the base adapted to hold a metal plate in a fixed position on the base, and a probe on the articulating member for spacing the articulating member a predetermined distance above the base. Measurements are taken on a patient's mouth and his preexisting dentures are placed on the plate. Plaster of paris or other suitable material is placed on the articulating member in a non-solidified state and retained thereto. The measurements taken are used to adjust the probe and the relation of the dental cast to the plate, and the denture may be raised or lowered with respect to the base, using loose magnets and shims, to provide the desired position and angularity to the denture.

Abstract: A rigid, non-yielding precision dental articulator instrument for preserving and making available the occlusion plane required to build accurate incuspation of teeth. The device provides initial mounting of maxillary models using a facebow. A 20 degree sliding mounting plate is also provided for aiding in the setting of the Occlusal Plane.

Abstract: Apparatus for fixing a plaster cast in an articulator for producing dental prostheses, including a three-point support (5) which is mainly defined by a body (8) to which two coaxial projections (15,16) are fixed and with which a small lath (11) is slidably received, the longitudinal direction of the lath (11) being perpendicular to the general longitudinal direction of the projections (15,16).

Abstract: A dental articulator comprising upper and lower bows connected by vertical support members, the upper bow being pivotally connected to the support members for raising and lowering relative to a planar mounting table which is positionable between the bows and parallel to the lower bow, the mounting table having a mounting bar extending perpendicularly from one surface and the mounting table being reversible to dispose a desired surface thereof uppermost and the table also having a supporting pin detachably connected to the forward end thereof for reversible positioning to extend from either surface of the table, and the upper bow also having adjustable pivot means operable selectively to effect lateral movement of the upper bow relative to the table and lower bow when in one position of adjustment but only permit pivotal movement when in a second position.

Abstract: A quadrant impression carrier is provided with ribs bearing on the edge of a through aperture of corresponding shape provided in an occlusion table of an articulator. The impression carrier is thus hooked in the opening, which enables the articulator to be used for the production of small prostheses whereas, originally, such apparatus was provided for the production of complete prostheses, the small prostheses normally being executed on occlusors the arms of which are merely articulated and do not have several degrees of freedom in their movements.

Abstract: The invention relates to a dental articulator in which the support table for the front tooth guide pin is disposed on the upper frame part and the adjustable front tooth guide pin is disposed on the lower frame part. The table plate of the support table is preferably divided into two regions, of which one region, which provides the central support, remains invariably in the horizontal position, while the other region, in which the excursions of the front tooth guide pin take place, is pivotable downwards at the front relative to the transverse axis of the articulator and can be locked in any desired inclined position. In addition, the support table is preferably arranged rotatably in the plane of its base surface, in order to be able to determine better the progression of the guide surfaces of the different teeth when a lateral movement is made.

Abstract: A denture occlusal mounting translator to transfer the patient's occlusal measurements in the exact location by the positioning of the model to set artificial teeth to the patient's interoral plane, eliminating the need of a wax occlusal rim.

Abstract: An articulator device for articulating upper and lower dental casts comprising a base having a generally T-shaped structure defining a tongue-like protrusion including a longitudinal slot. A lower dental cast holding pad is secured to the tongue-like protrusion and is movably disposed along the longitudinal slot for an anterior-posterior direction reposition of the lower dental cast with respect to the upper dental cast for malocclusive correction. A pair of support pins are implanted in the base. A pair of collars are slideably positioned along the support pins and have a pair of thumb bolts for fixedly securing the collars to the support pins. A guide member is slideable along the support pins and is supported by the collars to elevate or lower the guide member in accordance with the movements of the collar. A holder is supported by the guide member and has a generally T-shaped structure defining a tongue-like protrusion. The holder is capable of being laterally moved with respect to the guide member.

Abstract: The present invention relates to an improved apparatus for use in fabricating orthodontic appliances. The apparatus includes a pair of spaced apart lower and upper horizontally extending arms. The lower arm is adapted to carry a lower dental casting and the upper arm is adapted to carry an upper dental casting in facing relationship with the lower dental casting. A pair of spaced apart parallel cylindrical guide shafts extend upwardly in a generally vertical direction from the lower arm. The upper arm is attached to a mounting device utilized to support the upper arm for vertical movement toward and away from the lower arm. The mounting device includes a pair of spaced apart cooperating guide apertures for slidably receiving the guide shafts. A locking screw is provided in the mounting device for frictionally engaging one of the guide shafts for releasably securing the upper arm in a selected vertical position relative to the lower arm.

Abstract: A flexible mold defining either a full base or a quadrant base of a dental model includes a perimeter member for defining the side walls of the base and a shelf extending inwardly from the rear side wall for delineating a slot at the rear of the base, which slot is useable for indexing an arm of an articulator to be attached to opposed ones of the bases. A variant of the mold permits the formation of a pedestal for supporting a matching tooth die. A method of removing the molded article from the mold is also disclosed and claimed.

Abstract: A mandibular motion reproducing device wherein a mandibular model supporting plate on which a mandibular model is fixed is deemed as a rigid plane, three points contained in this rigid plane are selected and marked, three reference points for reproduction are set each corresponding to one of the marked points and in a predetermined dimensional relationship therewith, drive means capable of shifting the individual reference points for reproduction along the coordinate axes of X, Y, Z respectively are connected therewith, the drive means have six alternative driving directions including the orthogonal X, Y and Z directions and are individually driven by inputting position coordinate information obtained from a measuring system and the resulting motions of the reference points for reproduction are synthesized for causing the rigid plate constituting the mandibular model supporting plate to undergo three-dimensional motion.

Abstract: The dental articulator device of this invention includes a lower tongue member device to receive and hold a model of the mandibular portion of the pair of an upper tongue member device to receive and hold a model of the maxillary portion of the jaw. A lower body device is provided for providing support for holding the device and structurally connecting it to the lower tongue member.

Abstract: A dental articulator or apparatus is disclosed for testing the accuracy of dentures during occlusion. The articulator is designed to simulate the complex three-dimensional motion of a human jaw and includes a longitudinally-extending base, an upper denture carrier pivotally mounted above the base for movement in a vertical plane, and a lower denture carrier pivotally connected to the base by a bearing-and-slot arrangement that permits three-dimensional curvilinear movement of the lower carrier. By attaching dentures to the carriers and moving the dentures through various centric, eccentric, lateral and protrusive movements against one another, the articulator permits "high spots" on the occlusal surfaces of the dentures to be located so that the dentures can be accurately ground to a proper fitting.

Abstract: A dental articulator has a tooth supporting tray secured to a platform by a key and keyway wherein the sidewalls of the keyway are resiliently supported to permit yielding of the sidewalls to overcome any clogging by particulate matter which may be present in a place of use of the articulator. A set of legs upstanding from the tray maintains orientation of the tray relative to the platform.

Abstract: A dental articulator in which maxillary and mandibular frames have at opposite sides interengaged condylar elements to simulate the jaw movements of a dental patient whose maxillary and mandibular dental casts are mounted on the respective frames. The mandibular frame has condylar spheres slidably engaged between upper and lower parallel side walls of grooves in condylar guide elements angularly adjustable on opposite sides of the maxillary frame, the upper side walls of the grooves being transparent for visual observation of the orbital and rotational movements of the condylar spheres in the grooves during relative movements of the frames to simulate the jaw movements of the dental patient.

Abstract: The invention relates to articulator devices for reproducing the movements of the mandible.The device according to the invention comprises means for sampling the movements of the mandible, composed of an upper plate, fixed to the patient's skull and a lower plate which is fixed to the mandible by way of a buccal fork. Six displacement sensors connect the two plates together, said sensors being joined to the said plates by way of swivel joints. The device further comprises an articulator composed of two plates on which are secured the casts of the upper and lower jaws of the patient, which plates are joined together by way of artificial muscles occupying the same position as that occupied by the sensors and each muscle comprising a servo-motor controlled by a sensor.The invention finds an application in the remote- or delayed-testing and adjusting of dental prostheses.

Abstract: The articulator is the type which has an upper part with a horizontal branch and a lower part with a horizontal branch below and substantially parallel to the upper branch. The upper part has a pair of spaced wings connected to the rear of the upper branch and angling upwardly at a small angle therefrom as well as an adjustable incisor pin extending downwardly from the front end thereof. The lower branch has a pair of spaced articulator pins extending upwardly into slots in the wings of the upper part as well as an incisal tray angling downwardly from the front end to receive the incisal pin. Thus the upper part is supported in the lower part as a tripod with a relatively low center of gravity. A mold is provided to be connected to the articulator.

Abstract: Duplicatable maxillary denture materials, e.g., partial or complete dentures, wax-ups and bite blocks, are prepared employing the relator assembly and process of the invention. The process involves forming the maxillary denture materials from a rough maxillary cast of the patient's mouth that has a base and an expression of the maxillary alveolar ridge including the anterior palatine papilla and hamular notches. In the process, the cast is suspended over a horizontally extending, flat occlusal base member at a predetermined height corresponding to the proposed incisal length of the denture materials with members of substantially equal height, located on the occlusal table, that contact the cast at the palatine papilla and hamular notches. The base of the suspended rough cast is luted to a maxillary base member that is located over and substantially parallel to the occlusal base member to form a cast whose base is parallel to the hamular-incise plane.

Abstract: A dental articulator which provides a three-dimensional solid cam temporomandibular joint model of a human jaw movement by carving an internal cavity into said three-dimensional solid cam model by a cutting stylis.

Abstract: A system for simulating the condyle movements, for use in forming dental protheses, comprises a sensing apparatus including structures engageable with the cranium and mandible arch, and a reproducing apparatus which repeats the mastication movements sensed by sensing apparatus. The mastication movements are sensed by inductive sensors mounted on the sensing apparatus.

Abstract: A method and apparatus for processing cast models, such as dental molds and for various other applications, which comprises two separate sections, each having on its male and female seating or mating surface an assortment of geometric patterns of various sizes, depths and protrusions, prefabricated as a mating sandwich on which a hardened model, such as of teeth, gum or jaws, can be attached without the manipulation of unhardened moulding compounds, and/or mechanical aids, to obtain a working platform and precision reference apparatus essential in constructing parallel working dies.

Abstract: A system and method is disclosed for obtaining precisely registered, articulated castings of upper and lower dental impressions. The dental impressions are obtained through use of a dental tray having a non-porous, bite-deformable central septum. The impression material for the upper dental impression is contained in the upper portion of the tray. The impression material for the lower dental impression is contained in the lower portion of the tray and is supported by a bottom cover which is removed subsequent to placement of the tray in the mouth. As the patient bites, the impression material in the upper and lower portions of the dental tray is molded to the contour of the teeth and gums in their proper relationship with the teeth closed. After the material has set, the tray containing registered upper and lower impressions is removed from the mouth and placed into a mold.

Abstract: A mounting device for use in mounting a dental cast of a patient's maxillary teeth in a dental articulator including a removable yoke like bracket for mounting a face bow on the articulator.

Abstract: The upper and lower jaw members and intermediate connecting member of a dental model articulator are molded from suitable plastic as an integral unitary whole; with the jaw members spaced from each other, by the intermediate connecting member, a distance comensurate with the dental models to be mounted on the articulator, and so that the upper jaw member articulates with respect to the intermediate member and lower jaw member to facilitate relative positioning of, and the performing of work on, the dental models. An over-center toggle-type-hinge is integrally molded between the upper jaw member and the intermediate connecting member to provide for articulation of the upper jaw member.