The disclosure relates to a reconstruction prosthesis including a plurality of prosthesis units connected in series. Each of the prosthesis units includes a main part and a cushion structure. The main part has an abutment insertion opening and an accommodation space. The cushion structure is located in the accommodation space and movably located at the abutment insertion opening and defining an abutment mounting hole connected to the abutment insertion opening. The cushion structure is deformable with respect to the main part.

The present invention relates to an implant unit, particularly, a dental implant unit for mitigating impact which may be substituted for a natural tooth, the dental implant unit including: a crown; an abutment which has one side coupled to the crown; and a fixture which is coupled to the other side of the abutment, in which at least one of the abutment and the fixture has an elastic layer, and also relates to a dental implant unit including: a crown; an abutment which has one side coupled to the crown; and a fixture which is coupled to the other side of the abutment, in which at least one of the abutment and the fixture has an elastic layer that is formed at a portion which is in contact with a gingiva when an implant operation is performed using the dental implant unit.

A feature for retaining a denture on dental implants is shown and described. An anchor for receiving prongs is threaded to each of one or more implants in the mouth. A denture having prong passages is placed onto jaw bone or overlying tissue, above the implant. The anchor occupies an opening in the denture. With the denture in place and with the prong passages aligned with prong reception sites of the anchor, a pronged denture connector is installed such that the prongs pass through the prong passages of the denture and penetrate the prong reception sites of the anchor. The prongs are frictionally secured in place by an elastic member lining the prong passages of the denture and constricting over inserted prongs. The denture may comprise synthetic resin reinforced by a metallic reinforcing bar.

The present invention provides a dental implant comprising: a first coupling part 150 is provided on an inner surface of the axial hole of the fixture, the first coupling part comprising a coupling recess depressed outward, in a predetermined location on the inner surface of the axial hole, and a first corresponding coupling part provided on an outer circumferential surface of the coupling leg 122 to be complementarily coupled to the first coupling part 150, the first corresponding coupling part comprising a coupling protrusion, wherein, in a state in which the abutment is fitted into the fixture by complementary coupling between the first coupling part and the first corresponding coupling part; when a rotation force applied to the abutment has less than a predetermined level, the abutment is prevented from rotating relative to the fixture in a circumferential direction, and when the rotation force applied to the abutment is equal to or greater than the predetermined level, the coupling leg of the abutment is elastically bendable radially inwardly toward a central axis and the abutment is rotated in the circumferential direction, allowing the coupling protrusion of the first corresponding coupling part to be released from the coupling recess of the first coupling part, so that the fixture and the abutment are decoupled from each other.

The present invention provides a dental implant including: a fixture and an abutment including a coupling leg, and the fixture and the abutment are elastically coupled with each other, the dental implant including: a fixture axial hole inner inclined surface in which an inner diameter of an axial hole is gradually and downwardly reduced from a predetermined position of an inner inclined surface of the fixture; a first coupling part formed with a coupling hole at a predetermined position of the fixture; and a first associated coupling part formed with a coupling protrusion complementarily coupled with the first coupling part, wherein when the first associated coupling part is separated from the first coupling part by rotating the abutment, the coupling protrusion upwardly pushes the abutment from the fixture by elastic repulsion with the axial hole inner inclined surface of the fixture, thus the abutment becomes separated from the fixture.

The invention relates to a method for the non-invasive fragmentation of residual biomaterial after bone augmentation, and to a device specifically adapted for said method.

Provided is a dental implant unit capable of reducing stress. The implant unit includes an fixture, which is assembled to an alveolar bone and includes a long hole therein; an intermediate structure inserted to the long hole of the fixture; and an abutment assembled to the intermediate structure, wherein the lower portion of the long hole of the fixture has a sloped surface, the lower portion of the intermediate structure also has a sloped surface, and at least a portion of the sloped surface of the long hole and at least a portion of the sloped surface of the intermediate structure contact each other.

A custom dental implant and a method and system for making the custom dental implant having one or more energy storing devices that deflect during installation and expand to provide stability after insertion in a natural dental socket of a patient.

A one piece custom made dental device for holding multiple teeth comprises a mono block of dental implants (4), abutments (1), supracrestally or supragingivally connecting bars (2) and pontics (3). Implant (4) is made up of flat and broad base (4.1) and implant body portion (4.4) having vertical threads (4.3), inverted thread (4.2), crestal supporting thread (4.5). Implant (4), abutments (1) and pontics (2) are fabricated according to an individual's bone and gum data to form mono block structure without any screw and joints in such a manner as to distribute stress and strain on integrated dental implants. Multiple implants are integrated through supracrystally or supragingivally connecting bars (2). The dental device of the present invention is designed to achieve faster placement and implantation process with minimal bone loss and minimal micro movements. The present device reduces time required for healing and cost of whole implantation and prosthesis process drastically.

An apparatus for replicating a tooth within a user's mouth includes a threaded insert receivable with a bore in a wearer's jaw, the threaded insert having a first connector associated therewith and a tooth implant having a second connector. The first and second connectors are frictionally engageable with each other to retain the tooth implant within the user's mouth.