Abstract: A dental technology kit for coupling a dental prosthesis to a bone tissue includes at least one shell that defines a compartment that can be associated with a protruding head of a pin that can be anchored, directly or indirectly, to the bone tissue. The kit further includes at least one containment unit, which can be stably inserted into a complementarily-shaped recess that can be provided in the prosthesis, and an intermediate container defining internally a receptacle of shape at least partially complementary to the shell. The container is accommodatable in an at least partially complementarily-shaped chamber provided in the containment unit until a mating configuration is defined, in which at least one curved surface hump of the container, accommodated in the chamber, is arranged in contact with at least one complementarily-shaped curved surface region of the unit.

Abstract: Various surgical devices and methods are disclosed herein. Also disclosed is multi-component prosthesis, which can be used as an ankle prosthesis. One of the disclosed surgical alignment systems includes a guide arm, a ratchet arm frame configured to be coupled slidably to the guide arm, a ratchet arm configured to be coupled to the ratchet arm frame, and a sagittal sizing guide body configured to be coupled to the ratchet arm. The sagittal sizing guide body includes a first radiopaque object disposed at a first position and a second radiopaque object disposed at a second position that is spaced apart from the first position.

Abstract: The removable veneer for teeth is a cosmetic accessory adapted to overlay the teeth. The accessory includes a veneer designed to simulate perfectly positioned human teeth. A fastener system is employed to removably attach the veneer to the existing natural teeth of a user. Various teeth adornments may be attached to the veneer, if desired, when the wearer wants to assume a more modern look.

Abstract: A dental attachment assembly and method anchors a dental appliance with an implant and has an abutment member attached to the implant, a retention member in releasable snap engagement with the abutment member, and a cap secured in a recess of the dental appliance and in releasable swivel engagement with the retention member to position and secure the dental appliance onto the implant. The cap includes a cavity with a rounded, concave inner surface which engages with the retention member, an interior top surface of the cavity with a concave recess extending radially along an outer periphery of the interior top surface of the cavity to allow for rotation of the retention member within the cap. A central portion of the interior top surface of the cavity surrounded by the concave recess therefore protrudes vertically into the cavity to minimize vertical displacement of the retention member as it rotates.

Abstract: The invention provides improved passively fitting, permanent, detachable frameworks for supporting dental restorations on osseo-integrated dental implants, methods for making the frameworks and methods of using the frameworks.

Abstract: An analyte test strip vial having a restrictor to dispense analyte test strips in a controlled manner. In general, the restrictor includes one or more openings (e.g., central and/or arc-shaped openings) that are appropriately sized to facilitate the dispensing of a manageable number of analyte test strips from the vial container. The restrictor may also include one or more surface features (e.g., tabs, cavities, and/or tapered surfaces) to facilitate in the removal of analyte test strips, and the matting and/or removal of the restrictor from the vial container.

Abstract: A system for attaching a natural tooth to a dental implant. The system includes a dental prosthesis and an elastomeric cushion. The dental prosthesis has a first end and a second end. The first end is fixed to a natural tooth and the second end is engaged with a dental implant. The elastomeric cushion is positioned in contact, either directly or indirectly, with at least a portion of the dental implant and at least a portion of the dental prosthesis such that the elastomeric cushion permits movement of the second end relative to the dental implant in response to movement of the natural tooth transferred through the dental prosthesis to the second end.

Abstract: Herein are provided methods, systems, computer-readable media, techniques and processes for adjusting dental prostheses based on soft tissue. These include allowing an operator to define the surface of a dental prosthesis, such as an abutment, that is proximal to the patient's gum relative to a 3D scan of the patient's gums. The operator can define the offset of that surface as well as the limits of that surface.

Abstract: A system and method of manufacturing prefabricated dental veneers in a variety of sizes, shapes, and colors for a more economically feasible application of high-quality dental veneers, and a related process for selecting an appropriate veneer for a particular patient's tooth or teeth for application on the same day as the initial meeting. The system includes a storage kit which stores a variety of prefabricated veneers in different sizes, shapes, and colors. The kit can be refilled by ordering another set of prefabricated veneers when a particular set of a particular size, shape, or color is affixed to a patient's teeth. The kit also includes refining tools which allow for a degree of customization in the particular prefabricated veneer chosen for a particular patient.

Abstract: Dental preparation uses a tooth preparation guide custom-made for fitting with teeth of a patient. The preparation guide includes one or more guide channels for guiding a cutting tool. The preparation guide enables modification of the teeth as planned with high level of precision. A dental prosthesis for installing onto prepared teeth of the patient is provided before preparation of the teeth. The prosthesis includes features that are complementary to the prepared teeth. The prosthesis can be installed immediately after preparing the teeth using the preparation guide. With the high level of accuracy and precision in the preparation of teeth, no modification of the prosthesis would be needed for installation.

Abstract: Dental preparation uses a tooth preparation guide custom-made for fitting with teeth of a patient. The preparation guide includes one or more guide channels for guiding a cutting tool. The preparation guide enables modification of the teeth as planned with high level of precision. A dental prosthesis for installing onto prepared teeth of the patient is provided before preparation of the teeth. The prosthesis includes features that are complementary to the prepared teeth. The prosthesis can be installed immediately after preparing the teeth using the preparation guide. With the high level of accuracy and precision in the preparation of teeth, no modification of the prosthesis would be needed for installation.

Abstract: A generally hollow removable tooth cap defines a cavity for receiving a real tooth as well as material for removably attaching the tooth cap to the real tooth. The tooth cap has a front side and a back side which terminate together at the distal or free end of the tooth cap. The back side of the tooth cap further defines a recessed area which extends longitudinally along the backside from an area adjacent the distal end of the tooth cap until it opens into the cavity of the tooth cap. The tooth cap is also provided with a nonlinear passageway in the bottom of the tooth cap's cavity for receiving the attaching material to secure the material to the tooth cap.

Abstract: A removable tooth cap defines a cavity for receiving a real tooth as well as material for removably attaching the tooth cap to the real tooth. The tooth cap has a front side and a back side which form a tip at the distal or free end of the tooth cap. The back side has a length which is less than ? of the overall length of said tooth cap. The back side further defines a hole for receiving the material so that said material anchors or locks to the tooth cap when the material hardens.

Abstract: The present disclosure relates to a kit of parts comprising part A and part B, part A comprising a polymerizable component having an acid group in the molecule, an initiator, part B comprising an activator, and a film former with a molecular weight of at least 1000. The present disclosure also relates to a composition obtainable by mixing the components contained in the kit of parts and to a process for producing the kit of parts comprising the steps of bringing the components contained in part B of the kit in contact with a surface, drying the surface to form a film.

Abstract: The abstract has been amended as follows: A method of dispensing a hardenable dental composition, which can form a temporary bond, comprising 1) providing multi-part hardenable dental composition comprising part (A) in the form of a paste comprising acid-reactive glass particles and a liquid selected from the group consisting of water, a monomer having at least one ethylenically 10 unsaturated group per monomer molecule, and a combination thereof; and part (B) comprising a water soluble polyacid and a liquid selected from the group consisting of water, a monomer having at least one ethylenically unsaturated group per monomer molecule, and a combination thereof; and 2) extruding the composition through a static mixer in fluid communication with a first reservoir containing the part (A) and a second reservoir 20 containing the part (B); wherein a plunger is positioned in each reservoir for simultaneously forcing part (A) and part (B) into the static mixer.

Abstract: A method of producing a dental prosthetic item 3, wherein the dental prosthetic item 3 is attached, via an interior surface 5, to another dental prosthetic item 2 by means of an adhesive 9, and for adhesive 9 there is provided a gap 8 disposed between an interior surface of the dental prosthetic item 3 and the other dental prosthetic item 2, wherein interior surface 5 of the dental prosthetic item is designed to make allowance for the visual properties of adhesive 9. Furthermore, a dental prosthetic item 3 is produced on the above lines and a blank 41 for the production of such a dental prosthetic item 3 and the other dental prosthetic item 2 is disclosed.

Abstract: A temporary or long-term provisional crown includes a shell having a top wall defining an occlusal surface, a buccal sidewall, a lingual sidewall, and opposite mesio-distal sidewalls, connected to the top wall and buccal and lingual sidewalls and spaced apart to define a central cavity to fit over a prepared tooth. A quantity of resin is disposed in the central cavity of the shell and is preferably shaped to conform to a prepared tooth. A partial opening is preferably arranged in one or more of the mesio-distal sidewalls to permit resin to protrude mesio-distally from the cavity to contact an adjacent tooth.

Abstract: A dental cleaning attachment for a dental handpiece which comprises a disposable prophy angle having a neck and a right angle head, wherein the neck is removably attached to the dental handpiece. A polishing cup is rotatably connected to the head of the prophy angle. An encompassing toroidal pouch has a tube fluidly formed to and extending from the toroidal pouch. The tube runs externally along a top surface of the neck, is bent at a right angle, goes through a rear aperture in the head of the prophy angle and into a top aperture in the polishing cup. A paste material is carried within the toroidal pouch, the tube and the polishing cup. When the dental handpiece is gripped by a hand of a dental hygienist and the polishing cup is applied to a tooth, any finger of the hand of the dental hygienist can squeeze the toroidal pouch to force some of the paste material through the tube and out of the polishing cup, so that the paste material can be applied onto the tooth for cleaning.

Abstract: A detachable architecture of false teeth is comprised of a fixed denture base, a detachable denture base, and a fixing device, in which the fixed denture base is provided with a bridge at its bottom edge and a plurality of hollow fixing caps is consecutively disposed on the bridge for clothing onto normal healthy teeth. Also, at least a retaining seat for securing the detachable denture base is formed in the fixed denture base such that a denture with false teeth will be accommodated in that retaining seat. In addition, for preventing the detachable denture base and the fixed denture base from being dropped away when occluding, a tooth skirt shaped as a flat piece is hence arranged protrusively on two respective sides at a front portion of the bottom edge of the detachable denture base for choking the detachable denture base stably at healthy teeth's roots.

Abstract: An assembly of denture bridge includes a lingual restoration and a buccal restoration so as to install a denture to the place where a tooth is missing. The buccal restoration has two wings on two ends thereof so as to contact the inside of the nature teeth and the lingual restoration is formed according the mesio-distal side of the lingual side and the occusal surface. Two lingual restorations are connected to the buccal restoration by a screw so as to secured onto the nature teeth. The nature teeth need not to be remove a lot and the denture can be set within a short period of time. The patient needs not to wear a temporary grown.

Abstract: A temporary or long-term provisional crown includes a shell having a top wall defining an occlusal surface, a buccal sidewall, a lingual sidewall, and opposite mesio-distal sidewalls, connected to the top wall and buccal and lingual sidewalls and spaced apart to define a central cavity to fit over a prepared tooth. A quantity of resin is disposed in the central cavity of the shell and is preferably shaped to conform to a prepared tooth. A partial opening is preferably arranged in one or more of the mesio-distal sidewalls to permit resin to protrude mesio-distally from the cavity to contact an adjacent tooth.

Abstract: A quadrant and/or anterior shell for making a bridge or multi-tooth crown includes a plurality of integrally formed shell segments. Each shell segment corresponds to a different tooth in the respective quadrant and/or anterior region. Each shell has an occlusal surface, formed on a top wall, that replicates the occlusal surface of a natural tooth. A method of forming bridges or crowns using such shells includes selecting or sectioning off an appropriate section of the shell. The selected shell section is filled with resin. The shell section is positioned over prepared teeth, and, in the case of a bridge, also over a gap in the patient's dentition. Resin extrudes from mesio-distal sides and gingival margins of the shell section to form good proximal and gingival contacts. Once the resin has set, the resin and shell section are shaped to form the final crown or bridge.

Abstract: A quadrant and/or anterior shell for making a bridge or multi-tooth crown includes a plurality of integrally formed shell segments. Each shell segment corresponds to a different tooth in the respective quadrant and/or anterior region. Each shell has an occlusal surface, formed on a top wall, that replicates the occlusal surface of a natural tooth. A method of forming bridges or crowns using such shells includes selecting or sectioning off an appropriate section of the shell. The selected shell section is filled with resin. The shell section is positioned over prepared teeth, and, in the case of a bridge, also over a gap in the patient's dentition. Resin extrudes from mesio-distal sides and gingival margins of the shell section to form good proximal and gingival contacts. Once the resin has set, the resin and shell section are shaped to form the final crown or bridge.

Abstract: A precision attachment for a partial denture is described comprising a male portion 1 mounted onto the partial denture with an end extending horseshoe shaped anchorage means 7 comprising a pair of jaws 7a, 7b and a female portion 2 fixedly mounted around a crown 13 surrounding at least one supporting tooth, wherein female portion 2 comprises a pair of parallel side walls 2a, 2b forming a receiving cavity for the anchorage means 7 of male portion 1. Parallel side walls 2a, 2b are interconnected by a spacer pin 5 which is tightly held by jaws 7a, 7b of anchorage means 7 during insertion in place of the partial denture. A partial denture of the invention is thus disclosed with unilateral anchorage, the sole supporting means being the proposed precision attachment, whereby the partial denture can move only in one direction exhibiting a vertical upward-downward movement of its free end during mastication and thereby relieving from stresses applied onto the supporting teeth.

Abstract: A method of pretreating aqueous chemical oxygen demand (COD) samples to remove the risk of potential chloride ion interference. The method comprises acidifying an aqueous COD test sample, and thereafter passing the acidified sample through a source of pentavalent bismuth (Bi.sup.5+) such as sodium bismuthate.

Abstract: In a dental prosthetic casting-on process, in which a secondary part made of metal is cast-on to a primary part made of metal, a primary part made from an oxide-forming metal alloy may be used if the latter's casting-on surface is alloyed, prior to casting-on, with a reducing metalloid. In this regard, boron, silicon or phosphorus, for example, can be made to diffuse into the surface lattice of the primary part. A primary part made from an oxide-forming dental alloy and suitable for such a casting-on process exhibits in its casting-on surface an enhanced boron or silicon or phosphorus content.

Abstract: An improved dental bridge and method of construction thereof is disclosed. The bridge has no exposed metal. The abutment teeth are prepared and have opposing notches cut into the occlusal surfaces thereof. Impressions are made and a master and opposing model prepared therefrom. The model abutment teeth are prepared as dies and a refractory model then developed from the master model. A metal pontic rod is prepared, opaqued, and installed in the refractory model notches. After coating the abutment teeth and pontic rod with a porcelain mix and curing, all porcelain crowns are built over the abutment models and one or more all porcelain pontics are built over the pontic rod. After curing and glazing of the dental bridge, the refractory model is cut away from the bridge.

Abstract: A dental prosthesis with a metal body which has an internal cavity open at one end and which is provided with a facing of plastic, ceramic or the like is to be comparatively light and is to be of adequate strength, as well as being able to be used as posts for bridge constructions.For that purpose it is proposed that the metal body is formed as a carrier element (12) from a filigree grid or lattice having meshes, and is fixedly connected to the facing which surrounds same as a casing layer (10). In addition, two carrier elements (12) formed from the grid or lattice are to be connected by at least one bar (22) and supplemented by a grid or lattice portion (23) cast thereon, to form a bridge construction (21).

Abstract: The dental prosthesis of the present invention includes a plurality of flexible metal arm connectors which extend from a common member in forming a bridge or from a common joint in forming a splint. The arm connectors are adapted to be affixed to adjacent retaining members on the abutment teeth to be restored. The arm connectors must be sufficient in length to make reasonable contact with the buccal and lingual surfaces and preferably should contact the occlusal surface as well. The arm connectors may be ring-like in geometry and/or be corrugated for expansion.

Abstract: A connecting element is provided for detachably connecting a partial denture with the remaining set of teeth. The element is a joint whose axle extends transversely to the row of teeth and is formed by a bolt displaceably supported in the joint. The joint has two ring-shaped bolt-receiving devices, a first bolt-receiving device is connected with the partial denture and a second bolt-receiving device is connected with the remaining set of teeth and the bolt-receiving devices are connected with each other by the bolt.

Abstract: This invention is concerned with preparing fixed partial dentures consisting of abutment crowns and pontics connected through male/female attachments and being sealed together by means of a joining medium. In the most preferred embodiment, the parts of the dentures are formed from machinable glass-ceramic materials and the joining medium is curable through exposure to visible light radiation.

Abstract: A method and prosthesis assembly for fabricating a dental bridge to abutment teeth upon which metal retaining members have been mounted comprising suspending a pontic having non rigid arm rests extending from opposite ends thereof between the occlusal surfaces of the metal retaining members, adjusting the position of the arm rests to establish a desired alignment between the pontic and the abutment teeth, spot welding each arm rest to the occlusal surface of each retaining member to form a welded joint and soldering the interproximal space between each retaining member and the pontic. To facilitate the spot welding operation a metal spacer is interposed between the arm rest and the retaining member.

Abstract: A system of modular components for making dental restorative bridges, and a new method of making dental restorative bridges, using bars and fittings for fixing them between abutments, and prefabricated modules which provided pontic incisal and occlusal portions in a wide variety of shapes, shades, sizes and constructions. These modules are on substructures which are precision fitted to the bars. The soft-tissue oriented portion of each pontic is affixed to the gingival aspects of the bar and the module, after occlusal adjustment of the module has been made.

Abstract: A retaining device for removably securing a dental prosthesis in position. The retaining device includes a male section which can be secured to the side of a fixed tooth and a cooperating female section which can be secured within the dental prosthesis. The male section includes a projection which is received in an inverted U-shaped housing at the forward end of the female section. A channel member upwardly extending from the housing provides a keyway for receiving a key upwardly extending from the projection, to maintain a secure stability between the male and female sections. A spring loaded plunger member positioned within the female section extends into the housing and engages a recess formed in the projection, thereby locking the two sections together.

Abstract: A slide connector for the removable attachment of a dental prosthesis to residual dental structure in the mouth of the user has a female member attached to the prosthesis which receives a male member attached to the residual dental structure. A long pin is spring-loaded in the female member and has an enlarged head which engages in a slot of the male member to permit the head to spring into a recess at the end of this slot. By pressing the pin against the force of its loading spring, the connector can be released.

Abstract: A pad eliminatable by heat prior to casting has a patterned surface and a non-porous backing. The pad is sized and shaped into at least part of the appliance and the patterned surface is conformed to the desired bonding surface contour. The patterned surface yields irregularities in the cast bonding surface which increases bondability.

Abstract: A dental prosthesis formed with a metallic foundation which is structured to include filaments forming a basket-like configuration to support an intermediate core member consisting of a material lighter in weight than the material of the metal foundation and shaped and sized to fill a gap between two adjacent ground teeth upon which the prosthesis is supported. Parts of the surface of the intermediate core member not covered by the filaments of the metal foundation are in direct contact with a ceramic cover layer in the finished prosthesis. The core member may be formed as a prefabricated module with wax filling the parts normally filled by the filaments of the metallic foundation.

Abstract: A dental prosthesis and process of making and installing the same, wherein a plurality of individual artificial teeth are assembled on an arched contoured longitudinal support, are disclosed, as well as a kit containing detailed instructions and necessary supplies and equipment for carrying out the process. The artificial teeth are made of an acrylic resin, other composites or plastics or porcelain. Anterior natural teeth adjacent the space to be filled are step shaped lingually and etched to provide a base for bonding. Posterior teeth adjacent the space have the fossae deepened if needed. The arched contoured longitudinal support carrying the proper number of artificial teeth integrated with the support and each other is placed in the formed steps or deepened fossae on opposite sides of the space and bonded in place, lapped and smoothed.

Abstract: A method for affixing a dental appliance to teeth characterized by effecting a layer of bonding resin and catalyst on the teeth, effecting a layer of a substantially uniform admixture of only two reactants of a three-reactant system, the two reactants including the bonding resin and one of the other reactants, on the teeth; effecting a second layer of a substantially uniform admixture of a second two reactants of said three reactant system, said second two reactants including the bonding resin and the other of the reactants, on the dental appliance to be affixed to the teeth; positioning the portion of the dental appliance adjacent the teeth with the bonding resin, catalyst, and initiator in situ to effect polymerization and bonding on the surface of each of the teeth. After a predetermined cure time, the remainder of the dental appliance is affixed.

Abstract: An extra coronal attachment (denture) comprises a cylindrical anchor member formed as part of a crown to be attached to a natural tooth, including a cylindrical anchor surface having a predetermined angular relation to the jaw. A replaceable clip is included in a socket formed in the partial denture, and has a semi-cylindrical cavity constructed to fit closely over the anchor surface, having sufficient flexibility to be forced onto and off of the anchor surface. The anchor surface preferably is a groove formed in the cylinder, and the clip is proportioned to snap into the groove. Also, the clip is dimensioned so as to allow its side walls to flex during attachment and removal of the denture. The denture, when in place, has essentially stress free or stress isolated connections to the crowns. The clip may be constructed as an integral part of the denture, but preferably is a replaceable piece snapped into a socket integrated into a partial denture.

Abstract: Two preformed pieces are joined onto a natural tooth to constitute a single thickness crown offering the esthetics of a facing and the utility of a full metal cap. Splinting of a dummy tooth between two of the crown assemblies is also accomplished at chairside in conjunction with a routine office-lab procedure.