Abstract: A process for preparing glass-ceramic body including the steps of providing a basic glass body and subjecting the basic glass body to a thermal treatment whereby a crystalline phase embedded in a glass matrix is formed. The basic glass body is made of a composition comprising 65 to 72 wt-% SiO2, at least 10.1 wt-% Li2O and at least 10.1 wt-% Al2O3 based on the total weight of the composition, the proportion of Li2O to Al2O3 being from 1:1 to 1.5:1. The thermal treatment involves a nucleation step followed by several crystallization steps at different temperatures, whereby at least two different crystalline phases are formed.

Abstract: Dental implant having a socket arrangement having the shape of a regular octagon which is partly interrupted by outwardly extending notches being parallel or parallel and partly inclined with respect to the longitudinal center axis of the implant, the inclination being such as to taper inwardly from their coronal end, wherein interrupting and outwardly extending ridges extending from the notches in an apical direction of the dental implant, first contact surfaces being adapted to engage and rotationally secure an abutment, and wherein second contact surfaces extend from the notches within the ridges in the direction of the longitudinal center axis, the second contact surfaces being adapted to engage with an insertion tool; and wherein the notches are positioned at sides or at corners of the regular octagon.

Abstract: Abutment for a dental implant including an apical base portion equipped with profiled sections, a rotationally symmetrical transition portion bordering coronally on the base portion, a section bordering coronally on the transition portion and equipped with a wave-shaped rim, and an occlusal portion bordering coronally on the transition portion, the occlusal portion not being configured circular symmetric, a shoulder of irregular width is formed between the upper rim of section and the lower rim of the occlusal portion, the variation in width of the shoulder increasing from a minimum width to a maximum width by about 30% to 150% with respect to the minimum width of the shoulder.

Abstract: The present invention relates to an abutment of a dental implant system for connecting a dental implant and a supra-structure, said abutment comprising an abutment basic body extending from an apical end to a coronal end arranged opposite to the apical end. The abutment basic body comprises a dental implant connecting portion facing the apical end and adapted to fit with a corresponding abutment connecting portion of the dental implant and/or an intermediate part to be directly or indirectly connected with the dental implant. It further comprises a support portion facing the coronal end and designed such to allow the suprastructure to be mounted directly or indirectly. According to the invention, the abutment further comprises nanostructures formed on at least a portion of the outer surface of the abutment basic body, said nanostructures extending in at least two dimensions to 200 nm at most.

Abstract: A dental implant including a dental implant basic body extending along a longitudinal axis from an apical end to an opposite coronal end, which includes an anchoring part facing the apical end and intended to be anchored in bone of a patient, and a head part facing the coronal end and intended to form the basis on which a suprastructure is mounted. The anchoring part includes a shaft that is substantially cylindrical or that tapers toward the apical end in a cone-like manner. At least a portion of the shaft forms a bone tissue contact region, the outer surface forming a bone tissue contact surface. Coronally to the contact region a soft tissue contact region is arranged, the outer surface forming a soft tissue contact surface. The implant further includes nanostructures formed on the soft tissue contact surface which extend in at least two dimensions to 200 nm at most.

Abstract: Computer-implemented method for digitally designing a dental restoration for a rest tooth, wherein the rest tooth is described by data of the rest tooth and wherein a tooth template is described by data of the tooth template, by means of an Laplacian surface deformation to deform the tooth template towards the surface of the rest tooth, wherein the method uses, for the Laplacian surface deformation, an angle weighting function depending on: the angle between the normal direction of a target on the surface of the rest tooth or the normal direction of a handle on the tooth template; and the direction of a line connecting the target and the handle; wherein the angle weighting function is used to weight the handle for deforming the tooth template towards the rest tooth. Further, the invention is related to a computer-readable medium having stored thereon instructions, which when executed by a processor, are adapted to perform the method steps of the inventive computer-implemented method.

Abstract: Secondary part for securing an impression cap (72) releasably on a tooth implant (10). The secondary part (40) is secured on the latter by means of a screw connection. The secondary part (40) has elastically deformable spring fingers (44) that cooperate with a wall (76) of the impression cap (72). The wall (76) is dimensionally stable. With a good fit of the impression cap, the device can thus have a slender configuration, such that it is also suitable in particular for use in the front area of the lower jaw.

Abstract: A threaded dental implant to be screwed into a jawbone for supporting at least one abutment and/or a dental superstructure, and having a socket arrangement with a first section and a second section with respective geometrical profiles around a longitudinal center axis of the implant. The first section cooperates with the abutment for securing the abutment in a determined position in the implant. The second section cooperates with an insertion tool for screwing the implant into the jawbone. The first section includes an annular coronal contact surface on top of an opening centric at a coronal end of the implant, followed in an apical direction by a first tapered section having a diameter decreasing in the apical direction, by a first cylindrical section, by first anti-rotational elements and by a threaded section.

Abstract: A dental implant is disclosed comprising an anchoring part for anchoring within a bone and comprising a mounting part for receiving a prosthetic build-up construction, wherein the anchoring part and the mounting part are configured integrally of a material comprising zirconia, wherein at least the anchoring part is treated at its outer surface at least partially by a subtractive, removing process, such as by sand blasting or is provided with a coating which facilitates an ossification.

Abstract: A transfer part for holding an implant has a clamping portion for clamping connection with the implant. The clamping portion has a radial groove, a clamping ring and a force transmission element. The clamping ring is insertable into the radial groove to directly engage with the implant. The force transmission element secures the clamping connection against rotation. An inner ampule for receiving and securing a transfer part for holding an implant has an upper fixing portion and a lower fixing portion. The upper fixing portion reaches to a large surface recess in the ampule for insertion and removal of the transfer part, and has a laterally open indentation enlarging towards the recess adapted for the closely fitting insertion of the transfer part. The lower fixing portion has a laterally open indentation towards the recess adapted to receive the implant.

Abstract: Abutment for a dental implant (50), with an apical end (4) and with a coronal end (6) arranged opposite the apical end in the longitudinal direction. In the area of the apical end (4), the abutment has an insert portion (8) which is designed to be received by an opening of the dental implant and which has an anti-rotation segment (10) with at least one anti-rotation element (27) which is designed to cooperate with a corresponding mating anti-rotation element (53) of the dental implant (50). The anti-rotation element (27) has a groove (18?, 18?) which, from the edge of the anti-rotation segment (10) directed toward the apical end (4), extends in the coronal longitudinal direction along a groove portion (14) with a substantially constant groove width. The groove (18?, 18?) is continuously widened in a transition portion (20) adjoining the groove portion (14), in order to merge into a bevel (24?, 24?) in a bevel portion (22) adjoining the transition portion (20).

Abstract: Computer-implemented method for digitally designing a dental restoration for a rest tooth, wherein the rest tooth is described by data of the rest tooth and wherein a tooth template is described by data of the tooth template, wherein the method comprises the step of: automatically deforming the tooth template by means of Laplacian surface deformation such that a prepared part of the rest tooth is covered by a portion of the tooth template; obtaining axis data defining an axis; based on the obtained axis data, automatically generating a line going through a point, such as a vertex or a point inside a polygonal mesh, on the surface of the rest tooth or the tooth template, wherein the line orthogonally intersects the axis; and when the line intersects with the tooth template and with the surface of the rest tooth, automatically choosing the intersection point of the line with the tooth template as handle and the intersection point with the surface of the rest tooth as target; and automatically deforming the toot

Abstract: The invention describes a method for the geometrical analysis of scan data from oral structures, comprising the steps of selecting a number of parameterized tooth models of desired tooth types according to the scan data to be analyzed, whereby each tooth model comprises at least one boundary line whose path is defined by line parameters and which divides a tooth model in at least one active adjustment area and at least one inactive adjustment area, and segmenting the scan data on the basis of individualized tooth models and individualized boundary lines and/or determining at least one boundary line in the scan data. The invention further describes a method of generating a model database; and an analysis system for the geometrical analysis of scan data from oral structures.

Abstract: The present invention for the first time discloses a novel small molecular weight enamel matrix polypeptide which is at least 80%, such as 90% identical to the amino acid sequence as shown in SEQ ID NO: 1 (MPLPPHPGHP GYINFSYEVL TPLKWYQNMI RHPYTSYGYE PMGGWLHHQI IPWSQQTPQ SHA) (TRAP63), a homologue, analogue, or a pharmaceutically acceptable salt thereof. The present invention further discloses a pharmaceutical composition consisting of an enamel matrix polypeptide which is at least 80%, such as 90% identical to the amino acid sequence as shown in SEQ ID NO: 1, a homologue, analogue, or a pharmaceutically acceptable salt thereof, and a suitable pharmaceutical carrier, which further can consist of one or more enamel matrix polypeptides selected from the group of enamel matrix polypeptides which correspond to: a. SEQ ID NO: 2, b. SEQ ID NO: 3 and c. SEQ ID NO: 4.

Abstract: Process for preparing glass-ceramic body including the steps of providing a basic glass body and subjecting the basic glass body to a thermal treatment whereby a crystalline phase embedded in a glass matrix is formed. The basic glass body is made of a composition comprising 65 to 72 wt-% SiO2, at least 10.1 wt-% Li2O and at least 10.1 wt-% Al2O3 based on the total weight of the composition, the proportion of Li2O to Al2O3 being from 1:1 to 1.5:1. The thermal treatment involves a nucleation step followed by several crystallization steps at different temperatures, whereby at least two different crystalline phases are formed.

Abstract: A body made of a ceramic material stabilized by a stabilizing agent, characterized in that the body comprises a surface region extending from the surface of the body to a predetermined depth, the stabilizing agent being enriched in said surface region.

Abstract: A kit having a) a cleaning device, the cleaning device (1) including an elongated base member (2) formed of at least two wires (3) being twisted with each other, and a plurality of bristles (4) fixed between the twisted wires (3) and extending away from the twisted wires (3), whereby the bristles (4) are positioned in a cleaning section (5) at a first end (6) of the base member (2); wherein the bristles (4) consist of titanium or a titanium alloy; and b) a container having a composition including ethylene diaminotetraacetic acid (EDTA) is disclosed. A method for cleaning and/or debriding and/or conditioning a biological mineralized surface and/or a biological soft tissue surface and/or a dental implant is also disclosed. Additionally, there is disclosed a method for preventing and/or treating a condition in a patient in need of such treatment.

Abstract: A hand tool for dentistry and/or dental prosthetics, having a grip part which defines a main axis and, in the direction of the main axis, has a front end area and a read end area. The grip part has, in the front end area, an open receiving recess in which the collet element is arranged with an adjustable receiving diameter for receiving an object. The receiving diameter of the collet element can be modified by way of an actuating device. The collet element can be secured against rotation in the grip part.

Abstract: A body made of a ceramic material stabilized by a stabilizing agent and a process for preparing the body. The body includes a surface region extending from the surface of the body to a predetermined depth. The stabilizing agent is enriched in the surface region. The proportion of the stabilizing agent in the surface region continuously increases from the predetermined depth to the surface. The process includes applying the stabilizing agent to the surface of a basic body made of a ceramic material and heating the basic body with the stabilizing agent applied thereon at a temperature such that at least a portion of the stabilizing agent diffuses into the ceramic material.

Abstract: The present invention for the first time discloses a method and a kit of parts for treating a periodontal disease, such as periimplantitis, gingivitis, periodontitis and/or periimplant mucositis, caused by microorganisms that colonize a tooth and/or implant surface at, above and/or below the gingival margin, and which reside in a biofilm either subgingival and/or supragingival, characterized by employing a surgical process leading to substantively removing, destroying, killing and/or disrupting and/or inhibiting growth and/or regrowth of a pathogenic biofilm at a site of a microbial infection in a patient suffering from a periodontal disease.