Abstract: In an arrangement for obtaining reliable anchoring of a threaded implant (3) in dentine, a hole (2) is made in the bone substance. In the side wall (2b) of the hole it is possible to establish an internal threading which can cooperate with an external threading (3d) on the implant. The implant threading is arranged to force the bone substance out in essentially radial directions as a function of the extent to which the implant is screwed into the hole. The threading is arranged to effect greater forcing out of the bone substance at the outer parts of the hole than at the inner parts of the hole. The degree of forcing out is adapted in relation to the softness of the bone in order to achieve the reliable anchoring. Along at least part of the longitudinal direction of the implant, the implant threading can be given a non-circular configuration for the purpose of obtaining improved rotational stability in soft/weak bone.

Abstract: The present invention relates to a method of attaching a dental component having an angulated screw channel to a dental implant. The present invention also relates to a dental component having an angulated screw channel and a metal adapter.

Abstract: The present application relates to an abutment system (12) and its use. The abutment system (12) comprises: a soft tissue level abutment part (10) adapted to be attached to a bone level dental implant (40) by means of an abutment screw (56), wherein the abutment system is adapted to selectively support both a cement-retained final restoration (66) and a screw-retained prosthetic component (68; 70). The present application also relates to dental methods.

Abstract: Methods of producing a dental product are disclosed. Certain methods include the steps of providing a pre-sintered blank made from a green body of ceramic material, performing a machining operation on the blank, and subsequently sintering the blank to its final density in a sintering operation performed at a temperature in the range of 1300° C. to 1650° C. The pre-sintered blank that is provided may have a strength in the range of 53-107 MPa.

Abstract: An implant is provided with an upper portion in which an internal socket extends. The implant can be tightened by a turning instrument which has first lateral surfaces that can cooperate with corresponding second lateral surfaces in the internal socket. One or more of the first and/or second lateral surfaces is/are arranged completely or partially with friction-enhancing means. The implant and the tool are arranged with interacting parts which extend beyond the first and second lateral surfaces and completely or substantially take up bending moments which act in or on said portion or are directed toward said portion and occur in the event of skewing, or a tendency toward skewing, between the implant and the tool. The arrangement counteracts mechanical stresses in said portion, the latter being able to retain its original shape even in the case of implants with small dimensions.

Abstract: Methods of producing a dental product are disclosed. Certain methods include the steps of providing a pre-sintered blank made from a green body of ceramic material, performing a machining operation on the blank, and subsequently sintering the blank to its final density in a sintering operation performed at a temperature in the range of 1300° C. to 1650° C. The pre-sintered blank that is provided may have a strength in the range of 53-107 MPa.

Abstract: In certain embodiments, a combination of a thread forming tool and an implant is disclosed. The thread forming tool can have a thread forming section with a helical thread having at least one cutting surface for cutting a thread in bone. The implant can include a bone apposition surface having at least one helical thread for position at least partially in the thread of the bone. A longitudinal cross-sectional shape of at least a portion of the helical thread of the thread forming section in certain embodiments, substantially corresponds to a longitudinal cross-sectional shape of at least a portion of the helical thread of the implant.

Abstract: In certain embodiments, a combination of a guide sleeve for a surgical template, a drill, and a thread forming tool is disclosed. The guide sleeve has a guide surface for guiding the thread forming tool. The drill has at least one cutting edge for cutting a recess in bone. The thread forming tool has a thread forming section for forming at least one thread in bone, and a guide section for guidance by the guide surface of the guide sleeve, the thread forming section comprising an apical portion, and a coronal portion. In certain embodiments, a maximum diameter of the apical portion of the thread forming section is smaller than or equal to a maximum diameter of the cutting edge of the drill.

Abstract: A medical implant and a method of implanting a medical implant are disclosed. In some embodiments, the medical implant can comprise an apical bone anchoring portion for bone apposition and an unthreaded coronal portion. The coronal portion can have a length (L2) exceeding or equaling a length (L1) of the apical portion. Further, in some embodiments, the apical portion has a maximum outer diameter (D1) that is equal to or larger than a maximum outer diameter (D2) of said coronal portion. In some embodiments of the method, an apical part of an implant is affixed in the zygomatic bone and a coronal part is positioned outside the maxilla in the mucous membrane.

Abstract: A fixture of a two-piece dental implant and a method of use are provided. The implant can comprise a apical portion, a top portion arranged opposite the apical portion, an internal threaded cavity, and a coronal portion. The apical portion can define a bone length and a helical thread having a maximum outer diameter. The internal threaded cavity can be configured to releasably receive at least one of a surgeon tool and a prosthetic component. The coronal portion can be devised for apposition to soft tissue and for connective tissue attachment. Further, the coronal portion can have an extension in the longitudinal direction of the implant that is devised to be less than a layer thickness of the soft tissue. Furthermore, a ratio of the bone length to the maximum outer diameter can be in the range from approximately 0.8 to 1.2.

Abstract: A ceramic one-piece implant is provided that comprises a first portion and a second portion that are integrally formed with each other. The first portion can be arranged at a coronal end of the implant for fitting engagement with a dental restoration to the implant. The second portion can contiguously adjoin the first portion at a coronal edge. Further, the second portion can have a width and be arranged apically from the coronal end of the implant. The second portion can also be devised for arrangement in epithelial contact with soft tissue upon implantation of the dental implant. Furthermore, a curvature including the coronal edge can be adjustable by removal of material at least from the second portion while the width of the shoulder is substantially maintained.

Abstract: Methods of producing a dental product are disclosed. Certain methods include the steps of providing a pre-sintered blank made from a green body of ceramic material, performing a machining operation on the blank, and subsequently sintering the blank to its final density in a sintering operation performed at a temperature in the range of 1300° C. to 1650° C. The pre-sintered blank that is provided may have a strength in the range of 53 -107 MPa.

Abstract: Certain embodiments of the invention relate to a method of manufacturing a dental bridge. In certain embodiments of the method, a pre-sintered blank made from a green body of ceramic material is subjected to a machining operation that transforms the blank into an intermediate product with a bridge structure and a support body linked to the bridge structure by one or several retaining sections that extend from the support body to the bridge structure. In certain embodiments, a sintering operation is then performed on the intermediate product while the retaining section(s) still link(s) the support body to the bridge structure.

Abstract: An implant (5) can be fitted in an implantation site in a hole (4) formed in a jaw bone (1) where it is exposed to an impinging force or impinging forces (F1, F2). The implant can comprise one or more peripherally extending surfaces (5d) which are arranged at its upper/outer portion (5b) and which can be placed against a jaw bone part (3) at the outlet opening (4b) of the hole. Each surface (5d) is provided with a pattern (8) of grooves and/or recesses. Some of these are designed so that, in the implantation site, they extend substantially at right angles to, and if appropriate parallel to, said forces (F1, F2) when these assume principal directions differing from the longitudinal direction (5c) of the implant. By virtue of this arrangement, it is possible to achieve effective load-bearing in different implantation situations.

Abstract: A spacer (3) with associated adapter (4) is designed to be fitted on an implant (1). The adapter comprises first and second portions (4b, 4c) designed to cooperate with the spacer and the implant, respectively, for securing the spacer on the implant. The adapter is completely enclosed by the spacer and the implant, and the first portion of the adapter can be designed with slits for forming resilient elements on said portion and/or with penetrating parts which, when the adapter and the spacer are joined together, are deformed as it penetrates into opposite parts in the spacer material. The spacer and the adapter can in this way be easily held together upon application to the implant and can be taken apart when completion work is performed on the spacer.

Abstract: A unit is provided for holding instruments and components that are used in dental treatment. The unit can comprise sides, a bottom, and a top that can be modular or integrally formed. The unit can have a drawer-shaped construction and can be made of heat-resistant material. The sides and bottom can form a first rigid unit part, all or part of which can be provided externally with a covering or layer of a non-rigid or flexible material. The covering or layer is arranged to be easy to hold and to have good frictional characteristics. The top can form a rigid second unit part that preferably contains an organized holding arrangement for the instruments and components. Accordingly, the unit can be heat-resistant, robust and easy to hold, and have good frictional characteristics to prevent it sliding on an underlying surface upon which the unit is arranged placed.

Abstract: An impression coping is provided for taking an impression of an implant installed in a patient's mouth. The impression coping comprises an engagement portion, a cover and an impression portion. The engagement portion is adapted to be inserted within an internal cavity of the implant. The engagement portion has a plurality of axially extending protrusions positioned around the periphery for engaging corresponding channels within the internal cavity of the implant. The engagement shaft is thus configured to register the internal orientation of the implant within a patient's jaw. The impression portion of the coping includes one or more embedment features adapted to be embedded in a dental impression material for taking a dental impression thereof.

Abstract: An implant is provided with an upper portion in which an internal socket extends. The implant (12) can be tightened by means of a turning instrument (11) which has first lateral surfaces (14) that can cooperate with corresponding second lateral surfaces (15) in the internal socket. One or more of the first and/or second lateral surfaces is/are arranged completely or partially with friction-enhancing means (16). The implant and the tool are arranged with interacting parts which extend beyond the first and second lateral surfaces and completely or substantially take up bending moments (M, M?) which act in or on said portion or are directed toward said portion and occur in the event of skewing, or a tendency toward skewing, between the implant and the tool. The arrangement counteracts mechanical stresses in said portion, the latter being able to retain its original shape even in the case of implants with small dimensions.

Abstract: A spacer (3) with associated adapter (4) is designed to be fitted on an implant (1). The adapter comprises first and second portions (4b, 4c) designed to cooperate with the spacer and the implant, respectively, for securing the spacer on the implant. The adapter is completely enclosed by the spacer and the implant, and the first portion of the adapter can be designed with slits for forming resilient elements on said portion and/or with penetrating parts which, when the adapter and the spacer are joined together, are deformed as it penetrates into opposite parts in the spacer material. The spacer and the adapter can in this way be easily held together upon application to the implant and can be taken apart when completion work is performed on the spacer.

Abstract: A self-tapping implant for use in a jawbone includes a body with plural thread spirals arranged thereon; a conically tapering portion arranged at a front end of the body and having one or more bone-chip recesses therein which accommodate bone material cut off during a tapping operation. The bone-chip recesses are formed by removal of material from the plural thread spirals and body. At least in the conically tapering portion, the plural thread spirals are materially reduced, and each of the materially reduced threads have a cutting edge which extends inward from an outer edge of a respective remaining thread part. Each cutting edge of a number of associated cutting edges of the materially reduced threads have a pointed shape which, in a cross section thereof, essentially follows a line which deviates from a first radius through a point of the pointed shape of the respective remaining thread part.