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: A glass composition including 65 to 72 wt-% SiO2, at least 10.1 wt-% Li2O, at least 10.1 wt-% Al2O3, 0 to 2 wt-% K2O, at most 4 wt-% Na2O, 0 to 1.5 wt-% CaO, 0 to 1.5 wt-% CeO2, 1 to 5 wt-% P2O5, 0 to 0.5 wt-% V2O5, 0 to 1 wt-% Ag, and 0 to 1 wt-% ZrO2, based on a total weight of the composition. The composition is devoid of TiO2, Cu2O, BaO, Sb2O3, Nb2O5, MgO, La2O3, and SnO2. The proportion of Li2O to Al2O3 in the composition is in a range of from 1:1 to 1.5:1.

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 high-speed tool holder includes: a tool shaft for accommodating a tool at its first end, and a machine clamping part which is integrally connected to the tool shaft and forms an interface for clamping in the machine; with the tool shaft being substantially truncated circular cone-shaped, a first diameter at the first end with the tool insertion opening being smaller than a fifth diameter at the second end at the machine clamping part; and a portion of the substantially truncated circular cone-shaped tool shaft having an outwardly bulging, preferably spherical, shape between the tool insertion opening and the machine clamping part.

Abstract: A fixation pin for fixing a dental drill template. The fixation pin has a head having a bearing surface that is intended to bear at least partially on the drill template, or a sleeve provided in the drill template. The fixation pin has a rod having a shape of an essentially circular cylinder and extending from the bearing surface at an essentially right angle. The rod is intended to be inserted into the drill template or the sleeve provided in the drill template.

Abstract: Body made of a ceramic material, the body having as an integral part thereof a surface region reaching from the surface of the body down to a predetermined depth. According to the invention, the surface region is enriched with a magnesium component thereby forming a hydrophilic surface area.

Abstract: Sliceable bone repair material is a porous block-shaped scaffold containing a hydrogel, wherein the hydrogel is formed by Michael type addition of at least two precursor molecules. Said scaffold is made of a synthetic ceramic material and has interconnected macropores having a diameter above 100 ?m. In addition said scaffold has a total porosity of 60 to 80%. The total volume of the hydrogel is smaller than the total volume of the interconnected macropores.

Abstract: Sliceable bone repair material is a porous block-shaped scaffold containing a hydrogel, wherein the hydrogel is formed by Michael type addition of at least two precursor molecules. Said scaffold is made of a synthetic ceramic material and has interconnected macropores having a diameter above 100 ?m. In addition said scaffold has a total porosity of 80 to 95%. The total volume of the hydrogel is smaller than the total volume of the interconnected macropores.

Abstract: A process for preparing a prosthetic element comprising a glass-ceramic body. including the steps of a) providing a basic body comprising an amorphous glass phase and containing the components of the glass-ceramic body to be prepared, and b) transferring energy to the basic body to induce conversion of a starting phase of the material of the basic body into at least one crystalline phase in a confined region. According to the invention, energy is transferred to the confined region of the basic body by laser irradiating said region with a laser beam having a wavelength of at least 500 nm.

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: Body made of a ceramic material, the body having as an integral part thereof a surface region reaching from the surface of the body down to a predetermined depth. According to the invention, the surface region is enriched with a calcium component thereby forming a hydrophilic surface area.

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: A Process for providing a defined surface topography to at least a portion of a ceramic body, the process comprising the subsequent steps of a) applying a layer of a calcium containing substance comprising at least one calcium compound onto the surface of at least a portion of the ceramic basic body; b) thermally treating the ceramic basic body with the layer applied thereon at an elevated temperature, whereby a calcium compound or a calcium component based on the calcium compound diffuses into the basic body to form an intermediate body, said intermediate body comprising in its outermost surface region a calcium containing crystalline phase; and c) chemically treating the outermost surface region of the intermediate body with an inorganic acid or base to partially remove the calcium containing crystalline phase, thereby obtaining the surface topography.

Abstract: Fastening system including a screw component (10) and a seating component (20). The screw component has a shaft (12) extending along a longitudinal axis (5) and having a maximum radius R1, said shaft comprising a threaded section (13), said screw component further including, at one end of the screw shaft, a head (14), the head comprising a bottom end (15) having a larger maximum radius R2 than the screw shaft such that an exposed underside (18) of the screw head extends radially beyond the maximum radius of the screw shaft. The seating component includes a screw channel (21) having a planar screw seat (22) having a minimum radius R3 which is equal to or greater than R1.

Abstract: The present invention relates to a process for producing a pharmaceutical, dental and/or cosmetic formulation comprising purified enamel matrix proteins and/or enamel matrix derivative (EMD) proteins, which is heat stable. In particular, the present invention is related to a process for producing stable formulations of enamel matrix proteins and/or enamel matrix derivative (EMD) proteins, wherein said proteins and/or derivatives are solved in a low pH formulation before being subjected to a heat-treatment step.

Abstract: A self-retaining screw assembly comprising a dental secondary component and a screw. The secondary component comprises a through passage having an apical and a coronal open end, and a screw seat located between said apical and coronal ends. The screw comprises a screw rod and a screw head, the screw head being dimensioned to abut against the screw seat and the screw rod being dimensioned to pass unhindered through the through passage such that the apical end of the rod can protrude from the apical end of the through passage. The through passage further comprises, coronal of the screw seat, a first section and, directly coronal of the first section a second section having a narrower diameter than the first section, such that the second section forms a restriction in the through passage. The screw head comprises a radially outwardly extending retaining element.

Abstract: Insertion tool for transmitting torque from a drive tool to a dental implant, having a tool shaft including, at its apical end a dental implant engagement section including a torque applying unit to engage the dental implant such that torque can be transmitted from the insertion tool to the implant, a drive tool engagement section coronal of the dental implant engagement section including a primary torque receiving unit to engage the drive tool such that torque can be transmitted from the drive tool to the insertion tool, and a break zone arranged between the drive tool and dental implant engagement sections and designed to break upon application of a predetermined amount of torque. The shaft includes, between the dental implant engagement section and the break zone, an auxiliary torque receiving unit to engage a drive tool such that torque can be transmitted from the drive tool to the insertion tool.

Abstract: Process for preparing an osteointegrative surface on a ceramic body by chemically modifying at least a part of the surface of the body. The process includes the subsequent steps of depositing a calcium phosphate mineral on the surface of a ceramic basic body by projecting agglomerates of particles comprising the calcium phosphate mineral towards the basic body, and heating the basic body with the calcium phosphate mineral deposited thereon.

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, the method comprising 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, wherein the Laplacian surface deformation comprises automatically generating a line which is going through a point, such as a vertex or a point inside a polygonal of a mesh, on the surface of the rest tooth or the tooth template and which is directed along the normal direction at said point; 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 tooth template.

Abstract: A process for preparing a ceramic body having a surface roughness, said process comprising the step of depositing particles of a ceramic material on the surface of a ceramic basic body. The process is characterized in that separate agglomerates comprising at least two particles and a binder binding the particles together are deposited on the surface of the basic body by projecting the agglomerates towards the basic body.