Straumann Holding (SAUHF) USPTO patents

The present invention relates to a drill guide (1) for use in the dental field.

The present invention is directed to a composition for the conditioning of a dental mineralized surface and/or a dental implant and/or for increasing the hydrophilicity of a dental implant having a metal containing surface.

The present invention relates to endosseous implants and in particular, to screw form dental implants for implanting within bone.

The present invention relates to a receptacle for a dental implant (1) having an implant extension (2), said receptacle comprising: a cover (10) which is formed along a longitudinal axis with a first end section (11) which is open to the outside in the direction of the longitudinal axis and with a second end section (12) which is closed to the outside, wherein the cover (10) surrounds an interior space (15) which is open to the first end section (11) and in which a holder (20) is arranged along the longitudinal axis, said holder having a channel which is open to the outside along the longitudinal axis, the channel being formed to partially receive and to hold the implant extension (2) during transport; and a bottom receptacle (14) formed tubularly along the longitudinal axis with an outer third end section (14a) and an opposing fourth end section (14b), the third end section (14a) being sealed tightly to the outside, wherein the fourth end section (14b) of the bottom receptacle (14) and the first end section (11) of the cover (10) are interconnectable and manually detachable to form a substantially gas and liquid tight space therebetween; wherein at least three spring arms (31) are formed and arranged in the cover (10) towards the longitudinal axis in such a way that they are each connected to the cover (10) at an outer first end (31a) along an annular region around the longitudinal axis and are equally spaced apart and resilient radially towards the longitudinal axis with a respective second end (31b), wherein the second ends (31b) towards the longitudinal axis each having a nub (32) formed to engage a groove (7) formed annularly on the implant extension (2) when the implant extension (2) is in its final position; and wherein the spring arms (31) are designed geometrically and so flexible that the nubs (32) are pushed away from the longitudinal axis during insertion of the implant extension (2) and, in the final position, push into the groove (7) with a tensioning force perpendicular to the longitudinal axis.

The present invention relates to a dental device adapted to be connected to a dental implant fixture, wherein the device at least comprises an scan body comprising polyether ether ketone (PEEK) adapted to be connected to the dental implant fixture and adapted to be captured by a scanning device, and a customizable gingiva body mounted to the scan body in a fixed position, wherein the gingiva body comprises a thermoplastic polymer adapted to be captured by a scanning device and at least partially comprising a polymer comprising a melting point of ≥35° C. and ≤80° C.

A body made of a ceramic material having a surface region extending from the surface of the body to a predetermined depth and a core region being integrally formed with the surface region.

A body made of a ceramic material based on zirconia, the body having a surface region extending from the surface of the body to a predetermined depth and a core region integrally formed with the surface region.

A process for the preparation of a topography for improved fibrin network formation and cell mineralization on at least a portion of a dental implant made of a binary titanium-zirconium alloy, the portion being destined to be embedded in a patient's jawbone and to be in contact with the jawbone via a bone-contacting surface, the process includes the subsequent steps of a) subjecting the bone-contacting surface of the dental implant to a sandblasting treatment, b) etching the sandblasted bone-contacting surface, and c) treating the sandblasted and etched bone-contacting surface with water or an aqueous solution for a duration of more than two days, during which nanostructures continuously grow on the bone-contacting surface, the nanostructures extending in at least two dimensions to 200 nm at most.

A dental implant having a surface made of a ceramic material.

A process for providing fluoresence to a dental ceramic body by treating at least a portion of the outer surface of the dental ceramic body or a precursor thereof with a bismuth containing substance, characterized by the steps of placing the dental ceramic body or the precursor thereof into a closeable container, in particular a crucible; generating a bismuth containing atmosphere in the container and exposing at least a portion of the outer surface of the dental ceramic body or of the precursor to the bismuth containing atmosphere at a temperature above 1000° C.

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 relates to endosseous implants and in particular, to screw form dental implants for implanting within bone.

A process for providing fluoresence to a dental ceramic body by treating at least a portion of the outer surface of the dental ceramic body or a precursor thereof with a bismuth containing substance, characterized by the steps of placing the dental ceramic body or the precursor thereof into a closeable container, in particular a crucible; generating a bismuth containing atmosphere in the container and exposing at least a portion of the outer surface of the dental ceramic body or of the precursor to the bismuth containing atmosphere at a temperature above 1000° C.

A dental implant having a substantially cylindrical shape with a longitudinal axis defining a longitudinal direction, including: a coronal section including a coronal end of the implant; a threaded region extending apically from the coronal section to an apical tip of the implant; and an internal blind bore for connection to a secondary part, including: a stabilizing section extending apically from the coronal end; and a drive and indexing section which extends apically from an apical end of the stabilizing section, which includes a plurality of connecting lobes having a concave shape and extending in the longitudinal direction, being interconnected by respective lobe linking areas, including: two convex sections extending in the longitudinal direction and adjacent to a respective connecting lobe; and a concave section extending in the longitudinal direction between the two convex sections.

A process for providing a topography to the surface of a dental implant, the surface being made of a ceramic material having yttria-stabilized zirconia, the process including: providing a macroscopic roughness to the surface of the dental implant by a mechanical process and/or injection molding technique; and etching at least a part of the roughened surface, wherein etching is carried out using an etching solution having hydrofluoric acid at a temperature of 70° C. at least, such that discrete grains or agglomerates of grains are removed from the yttria-stabilized zirconia, thereby forming recesses and cavities in the roughened surface is disclosed.

A dental implant system including a dental implant (1) and an associated implant analog (50), the implant extending along a longitudinal axis (LI) from an apical end (101) to a coronal end (102) and having an external surface for anchoring and osseointegrating in bone, a coronal end portion (105) having abutment connection geometry for cooperating with an abutment which can be seated in one or more defined positions on the implant, the abutment connection geometry having a coronally facing abutment contact surface (128) which extends around the full circumference of the implant, and in use directly contacts the abutment and provides a stop defining the axial location of the abutment relative to the implant, the coronal end portion further having a coronally facing prosthesis contact surface (129) located radially beyond the abutment contact surface, the prosthesis contact surface being a continuous surface extending around the full circumference of the implant.

A dental implant made of a ceramic material including an implant surface having at least partially a contact angle of less than 20°, the implant surface being at least partially covered by a protective layer.

A cassette for storage of at least one medical instrument, the cassette including at least one spring sheet, the spring sheet including at least one holding means for retaining the medical instrument therein, the holding means including an aperture forming a passage through the spring sheet for receiving the medical instrument and at least one spring element provided adjacent to the passage for exerting a biasing spring force to retain the medical instrument within the passage, and wherein the spring sheet, including the holding means, is made of a metal or a metal alloy.