In the case of a dental prosthesis comprising a gum-coloured prosthesis base and a tooth coloured tooth arrangement which is partially embedded into the prosthesis base, the dental prosthesis is formed as a hybrid prosthesis, wherein the prosthesis base has a contact surface which has a surface normal pointing towards the gums.

The tooth arrangement (14) surrounds an external telescope (secondary part) or an abutment on at least 2 sides (26, 28, 30), is formed as a one-piece tooth quadrant or as a segmented tooth quadrant (16) and consists of a harder material than the prosthesis base (12).

The invention relates to a denture base having a plurality of tooth socket compartments where one or more of the tooth socket compartments comprises a convex surface configured in step-like structure, and one or more prominences on the step-like structure. The invention further relates to a dental prosthesis including the denture base, at least one bonding agent, and a plurality of artificial teeth. Artificial teeth are bonded within tooth socket compartments such that each artificial tooth can rest upon the top of each prominence in the tooth socket compartment, maintaining a predetermined amount of bonding agent between the artificial tooth and the denture base. The denture base and dental prosthesis of the invention can better address the need for easier, more efficient and reliable set-up of artificial teeth in a denture base, and ensuring more consistent and predictable bonding of artificial teeth in a denture base.

An implant-supported denture placement and alignment system may include a denture apparatus. The denture apparatus may have a denture base and a denture base positioning system. The denture base may comprise an implant guide system and be connectable to implants. In this manner, the denture apparatus may be positioned so that it is mountable to the implants placed according to the implant guide following their placement in a patient's mouth.

According to an aspect of some embodiments there is provided a bone anchor including an elongated core having a tip at a distal end and coupled to a head at a proximal end, and a segmented helical thread defining one or more gaps therein, each gap defining at least a trailing wall, the trailing wall having a cutting surface including at least one cutting edge. The bone cutting surface and the cutting edge configured to cut bone and guide bone fragments radially inwards. According to an aspect of some embodiments there is further provided a bone anchor kit and a method for implanting the bone anchor in bone.

A method of fabricating a plate denture, comprises: creating a denture plate having a concave socket formed thereon and a vertical groove formed on a bottom surface of the socket; applying an adhesive material to the socket and the vertical groove; embedding a reinforcing structure in the vertical groove to which the adhesive material is applied; and arranging an artificial tooth in the socket to which the adhesive material is applied.

Provided is a denture base that includes a base portion; a socket that is demarcated by a step portion from a gingival area of the base portion and to which an artificial tooth is to be attached; and interdental papilla areas of the gingival area, which are positioned at both ends of the socket along a tooth row, wherein, in a state in which the socket is facing upward, a basal surface of the socket has a ridge-shaped socket apex portion configured by a surface that is convex overall, a peripheral area of the basal surface is in mutually continuous abutment with the step portion, and the socket apex portion is positioned at substantially the same height as, or higher than, apex portions of the interdental papilla areas that are seen from a labial side in a state in which the artificial tooth is attached to the socket.

A dental model and related systems and methods, including a first component representing a portion of a patient's jaw and a second component that is demountably attachable to the first component, and a second component representing a dental structure of interest, such as the remaining portion of a tooth or a dental implant.

The invention relates to a method for producing a dental prosthesis with: A) provision of a milling body and a prosthesis base preform with a holding structure (34); B) production of a connecting surface in the milling body by a subtractive CAM method; C) production of mating holding structure which fits with the holding structure in the surface of the milling body or said mating holding structure is present; D) attachment, spaced via the holding structure, of the prosthesis base preform to the mating holding structure, wherein an interspace is obtained; E) introduction or application of a fluid polymerizable plastic into the interspace; F) curing or partial curing of the plastic to yield a plastics material in the interspace which connects the prosthesis base preform to the milling body; and G) subtractive machining of the plastics material, the prosthesis base preform and the milling body by a CAM method in accordance with a model of the dental prosthesis.

The invention also relates to a dental prosthesis produced with such a method and a device for implementing such a method.

The invention relates to a working model to perform a dental prosthesis for a tooth stump, comprising a model mandible with teeth made from resin by means of 3D printing and a detachable model tooth stump. The model tooth stump comprises a main body made from resin by means of 3D printing and a rigid insert introduced in a housing formed in said main body. First fixing means comprised in the rigid insert cooperate with second fixing means, passing through the through holes made in the model mandible with teeth, for integrally attaching the model tooth stump to the model mandible with teeth in a detachable manner.

A dental model and related systems and methods, including a first component representing a portion of a patient's jaw and a second component that is demountably attachable to the first component, and a second component representing a dental structure of interest, such as the remaining portion of a tooth or a dental implant.