Abstract: The invention relates to an assembly set for a removable partial denture comprising one or more replacement teeth as well as a framework with one or more retention sections. Each of the retention sections is configured to receive and retain one or more of the replacement teeth. Each of the replacement teeth comprises a bottom face with a surface structure configured to engage an assigned complementary retention structure provided by one of the retention sections of the framework configured to receive the respective replacement tooth. Each surface structure provides in combination with the assigned complementary retention structure a non-destructive detachable direct connection between the replacement tooth comprising the respective surface structure and the retention section comprising the respective assigned complementary retention structure.

Abstract: A low-profile retentive abutment is used for securing dentures to a user's jaw. The low-profile abutment has an abutment fastener is used to mount an overdenture onto the user's jaw and has a body, a dimpled recession, and a retentive clasp. The dimple recession traverses into the body and forms a mounting point to attach the clasp to the body. The clasp is a connector that enables the overdenture to be detachably mounted onto the body. The clasp has a stop plate, a C-shaped frame, and a dimple protrusion. The stop plate ensures that the clasp is maintained in a desired orientation while attached to the body. The frame is connected in between the stop plate and the dimple protrusion so that the dimple protrusion engages into the dimple recession. Accordingly, the frame facilitates maintaining the clasp in an orientation that facilitates securely attaching the overdenture to the user's jaw.

Abstract: An implant-supported dental prosthesis, removal device for automatically removing the prosthesis, attachment piece for attaching the prosthesis to implants and an attachment bar for attaching the prosthesis to implants. The prosthesis comprises a compartment with a spacing member that can be actuated through a side opening by means of the device, for automatically removing the prosthesis. The device comprises a head with a first plunger configured for being introduced in the compartment and moving the first plunger in both directions to move the first plunger out when the spacer moves, causing removing the prosthesis, and when the first plunger moves in the opposite direction the head is extracted from the compartment. The attachment piece and bar for attaching the prosthesis respectively comprise a projection and a step to make it easier to remove the prosthesis.

Abstract: The present invention provides a spring clip mountable to a withdrawable artificial tooth and a removable artificial tooth that is assembled through the spring clip. The spring clip mounted to the withdrawable artificial tooth can clamp a projection block formed on a corresponding internal crown or a neighboring tooth to allow the external crown to be removed by direct application of force to the external crown thereby allowing a user to easily remove the artificial tooth (the external crown) for cleaning.

Abstract: The present invention provides a spring clip mountable to a withdrawable artificial tooth and a removable artificial tooth that is assembled through the spring clip. The spring clip mounted to the withdrawable artificial tooth can clamp a projection block formed on a corresponding internal crown or a neighboring tooth to allow the external crown to be removed by direct application of force to the external crown thereby allowing a user to easily remove the artificial tooth (the external crown) for cleaning.

Abstract: Embodiments of the present invention are generally related to embodiments of the present invention relate to a temporary dental prosthesis and methods of utilizing the same. More specifically, embodiments of the present invention relate to a dental prosthesis that may be quickly and easily set in a patient's mouth without the need for surgery or similar complex dental procedure. In one embodiment of the present invention, a temporary dental prosthesis comprises a primary body having a pair of axially positioned braces extending therefrom, the braces being connected to one another via an expansion means capable of extending and contracting the braces away from and towards the primary body, and an expansion control means for enabling the expansion means and controlling the expansion and contraction of the braces.

Abstract: A dental partial includes a prosthetic tooth with an anchor extending from the tooth, where the anchor and the tooth are a single unitary structure. The anchor is embedded in a base of the dental partial, where the base conforms to the shape of a patient's mouth. The prosthetic tooth has a lingual surface and a facial surface, and the anchor extends from at least one of the lingual and/or facial surfaces of the prosthetic tooth.

Abstract: A pre-form for making a removable partial dental prosthesis. The pre-form has a tree-shape form having a central body portion and at least one arm extending laterally therefrom and a tail and a head positioned on opposite ends of the arm such that the arm is detachably affixed to the central body portion at the tail. The arm is incorporated into a molding for a removable partial dental prosthesis having a base, an artificial tooth supported by the base and a substantially transparent clasp. The clasp and base are formed to mate with oral mucosa for support of the prosthesis thereon. Also disclosed is a kit for making and inserting a partial dental prosthesis in a gap between natural teeth in a human mouth.

Abstract: The present invention provides a spring clip mountable to a withdrawable artificial tooth and a removable artificial tooth that is assembled through the spring clip. The spring clip mounted to the withdrawable artificial tooth can clamp a projection block formed on a corresponding internal crown or a neighboring tooth to allow the external crown to be removed by direct application of force to the external crown thereby allowing a user to easily remove the artificial tooth (the external crown) for cleaning.

Abstract: A dental device (10) for temporarily filling a toothless gap (50) following extraction of a tooth. The dental device is arranged so as to be located in a space between two adjacent teeth (30, 40) bordering, on each opposed side, the toothless gap. The dental device comprises a central block (11) and two arms (12, 13) located on opposite sides of the central block (11). The two arms (12, 13) are extendible between a retracted position and an extended position. Each arm carries, at a free end thereof, at least one support (14, 15) adapted for resting respectively on a surface of the adjacent teeth when the arms are in the extended position. The central block includes an adjusting mechanism (19) for moving the two arms into the extended position, and a lock (20, 21, 22) locks the adjusting mechanism when the arms are in the extended position.

Abstract: A prosthetic tooth having a bridge clasping arm and a clasping structure is disclosed. The prosthetic tooth includes a prosthetic tooth and at least one bridge clasping arm. The bridge clasping arm is connected to one side of the prosthetic tooth and includes a first clasping portion, which is formed on an inside surface of the bridge clasping arm. A second clasping portion is provided on an adjacent tooth, which corresponds to the bridge clasping arm. When the bridge clasping arm is positioned on the adjacent tooth, the first clasping portion and the second clasping portion engage each other for clasping. The present inventions uses the bridge clasping arm for connection with an adjacent tooth in order to improve the capability of the prosthetic tooth for bearing forces acting thereon.

Abstract: A partial denture having an artificial tooth, a denture base holding the artificial tooth, and a clasp fixed to the denture base, wherein the clasp includes a back-side arm and a front-side arm and does not include a rest, the back-side arm extending in a rearward bulging convex on a back side of a dentition-extended range of the denture base, the front-side arm extending in a forward bulging convex toward a front side of the dentition-extended range of the denture base, wherein the back-side arm and the front-side arm extend within a height range ranging from an extended plane of a top surface of a crown of the artificial tooth toward the denture base side.

Abstract: The invention relates to dental prostheses which have at least one metal-free anchoring element made of plastic material with a bending modulus of elasticity of at least 10 GPa and a maximum elongation of at least 0.8%.

Abstract: The invention relates to dental prostheses which have at least one metal-free anchoring element made of plastic material with a bending modulus of elasticity of at least 10 GPa and a maximum elongation of at least 0.8%.

Abstract: A dental appliance includes a lingual section adapted to engage at least one abutment tooth. A first tissue replacement portion extends from one end portion of the lingual section. A second tissue replacement portion extends from another end portion of the lingual section. A buccal or labial gate is adapted to engage the at least one abutment tooth. A hinge is partially formed by an end portion of the gate. A latch may be disposed at another end portion of the gate. The end portion of the gate is comprised of a tissue replacement material. The dental appliance is made by forming the hinge portion and/or the latch portion of the gate as well as corresponding hinge and gate recesses in the tissue replacement portions by application of curable tissue replacement material into exposed regions within investment material or by application of secondary curable material to formed components of cured tissue replacement material to selectively bond to certain portions of the tissue replacement portions.

Abstract: A temporary tooth construction 10 for attachment to portions of permanent teeth 101, 102 on opposite sides of a gap formed by at least one missing tooth. The temporary tooth construction 10 includes a tooth members 20 provided with a pair of anchor member 30 on opposite sides of the tooth member 20 wherein each anchor member 30 releasably engages portions of the permanent teeth 101, 102 on opposite sides of a gap formed by a missing tooth.

Abstract: A method for adapting a crown to a clasp and rest of an existing partial denture without depriving a patient of the partial denture during the time the crown is being fabricated in a dental laboratory. The method comprises the steps of fabricating an accurate pick-up impression of the clasp and rest in a dentist's office, fabricating an accurate model of the clasp and rest in a dental laboratory, and incorporating the clasp and rest model in a model at the dental laboratory which is used for fabricating a crown. The fabrication of the accurate clasp and rest model by a dentist includes the important step of supporting the pick-up impression of the clasp and rest on a dimensionally stable coping over a tooth which has been prepared for the crown.

Abstract: A procedure for facilitating osseous growth, particularly in dental surgery and in maxillofacial surgery, and device for implementing this procedure is disclosed. The device includes an elastic member which is interposed between bone surface and a membrane arranged beneath tissues overlying the bone surface. The elastic member is capable of lifting the membrane a slight distance with a controlled amount of pressure. In the procedure, the elastic member is held temporarily, until scarring has taken place, in a state in which the elastic device presents a minimum thickness between the osseous surface and the membrane and the elastic device does not exert any appreciable stress on the latter.

Abstract: The present invention entails a partial denture that is basically constructed of a relatively hard acrylic material and includes a series of artificial teeth implanted along the ridge of the denture. The denture is particularly designed for a certain patient and is provided with at least one existing tooth opening for accommodating certain existing teeth of the patient. Formed about the buccal flange area of the denture and adjacent the existing tooth opening is an elastic retainer strip that is integrally molded with the relatively hard acrylic material of the denture. This elastic retainer strip engages the patient's gum in front of the existing teeth that project through the opening in the denture. On the opposite side of the existing tooth opening and opposite the elastic retainer strip there is provided a metal filler panel that is also bonded or integrally molded with the relatively hard acrylic material.

Abstract: A prefabricated thermoplastic clasp from whose structure a permanent clasp is formed around teeth anchoring partial removable prosthesis and dentures without the necessity of fashioning metal clasps by the lost wax method or by plastic clasps by injection molding processes. The prefabricated clasps are easily contoured by applying heat to the area which the technician wishes to shape and bend. This allows the clasp to be a one step operation thereby omitting time consuming procedures.

Abstract: A prefabricated bridge framework for producing tooth-replacement bridges consists of a support bar to bridge over a gap between teeth and connecting elements for placing the support bar on bridge pillars. The bridge framework as a whole is made of a dental alloy and is capable of being adjusted automatically to the length of a gap between teeth by changing the length of the support bar. Reinforcing ribs are provided on the bottom of the support bar. This bridge framework makes superfluous the manual construction of a wax model of a framework and the subsequent casting in metal that have been required up to now. This bridge framework is always made the same qualitatively, and guarantees that the production of tooth-replacement bridges will be considerably simpler and quicker.

Abstract: The dental locking clasp member comprises a U-shaped piece having twin arms with substantially flat parallel opposing inner surfaces connected to an anchor portion having a plurality of anchor grooves. The twin arms have twin opposing locking recesses adjacent the free ends. Additional auxiliary parts may be part of the locking clasp member and include a bar portion with a curved spur, a receptacle portion which has locking projections which engage in the locking recesses in the case of a labial locking clasp and a clasp stem also with locking projections with a stop in the case of a buccal locking clasp. When the additional auxiliary parts are made of wax the entire locking clasp member may be used with a wax pattern to produce a completed partial casting with the appropriate locking clasp in a single casting operation which does not require reworking.

Abstract: Denture fixture for connecting a denture to an existing tooth in a patient's mouth. The denture fixture includes an anchorage permanently joined to the denture and retention means mounted to a tooth and formed to interlock with anchoring means extending from the anchorage. The anchoring means includes two projecting stems arranged in an approximately horizontal plane. One stem has an enlarged end for mating with an aperture in the retention means; the other stem mates with a groove on one side of the retention means.The apparatus has a low profile and is easily hidden from view. The denture is securely but flexibly positioned in the patient's mouth, is conveniently manufactured, and has no mechanism which can be obstructed by bits of food. The apparatus is not retained in position by forces exerted against the tooth and thus reduces wear on the tooth and the denture.

Abstract: A prosthetic denture which releasably engages natural abutment teeth to releasably hold it in place in the user's mouth. The denture has a continuous lingual flange and a buccal flange which is interrupted adjacent at least one tooth of a consecutive series of remaining natural teeth. The denture is held in place by gasketed horseshoe-shaped clasping and sealing members extending anteriorly of the remaining portions of the buccal flange. The clasping and sealing members can be integral extensions of the denture base material. The denture is particularly adapted for users having a series of consecutive natural teeth, particularly if the user's gum adjacent those natural teeth is substantially undercut.