A dental implant for supporting periodontal tissue and the supporting bone is provided. The dental implant includes an implant member with inner canal for insertion into a periodontal bone socket, and an anchoring assembly. The anchoring assembly includes a first fastening element and radially equidistant cylindrical members. The first fastening element engages the implant member within the hollow axial cavity. The root section includes through-holes for radially and forcibly sliding the cylindrical members through them. When the first fastening element apically advances within the hollow axial cavity, the cylindrical members generate an anchoring force to anchor the dental implant.

An attachment device with a radially expandable section is disclosed. The attachment device can have helical threads, for example, to facilitate screwing the attachment device into a bone. Methods of using the same are also disclosed. The attachment device can be positioned to radially expand the expandable section in cancellous bone substantially surrounded by cortical bone.

An anchorage in tissue is produced by holding a vibrating element and a counter element against each other such that their contact faces are in contact with each other, wherein at least one of the contact faces includes a thermoplastic material which is liquefiable by mechanical vibration. While holding and then moving the two elements against each other, the vibrating element is vibrated and due to the vibration the thermoplastic material is liquefied between the contact faces, and due to the relative movement is made to flow from between the contact faces and to penetrate tissue located adjacent to outer edges of the contact faces. For liquefaction of the thermoplastic material and for displacing it from between the contact faces, no force needs to act on the tissue surface which is to be penetrated by the liquefied material.

An anchorage in tissue is produced by holding a vibrating element and a counter element against each other such that their contact faces are in contact with each other, wherein at least one of the contact faces includes a thermoplastic material which is liquefiable by mechanical vibration. While holding and then moving the two elements against each other, the vibrating element is vibrated and due to the vibration the thermoplastic material is liquefied between the contact faces, and due to the relative movement is made to flow from between the contact faces and to penetrate tissue located adjacent to outer edges of the contact faces. For liquefaction of the thermoplastic material and for displacing it from between the contact faces, no force needs to act on the tissue surface which is to be penetrated by the liquefied material.

A pedicle anchor device is equipped for being used like a pedicle screw, i.e. for being implanted in the vertebra from dorsal direction (but generally at an angle to the sagittal plane, slightly inward towards the sagittal plane) through the pedicle so that a distal portion of the device protrudes into the vertebral body. The pedicle anchor device includes a pedicle anchor device body with a head portion, a shaft portion and a longitudinal bore that extends from a proximal end of the pedicle anchor device body and has a hole or a plurality of holes from the longitudinal bore outward, for example radially outward.

The present invention relates to a spike-fixing type implant and a method for implanting the same, the method enabling a dental root support to be inserted into the inside of an implant body in a state where the implant body, having a plurality of spikes protrusively formed thereon, is inserted in a dental root groove such that the diameter of the implant body is enlarged, and thus the spikes formed on the implant body are embedded in an alveolar bone and, finally, the implant body is firmly fixed in the dental root groove.

Methods and tools for expanding a precursor hole in a host material to receive an anchor or fixture. The precursor hole is enlarged by a rotary tool having helical flutes and interposed lands. The lands each have a working edge that densities bone when the tool is rotated in a non-cutting direction. When the tool is used with a copious wash of irrigating fluid, hydraulic pressure builds inside the precursor hole. The operator can modulate the hydraulic pressure by axially stroking the rotating tool. The working edges sweep against the interior surface of the hole to gently expand its diameter by incremental plastic deformations with little to no removal of host material. The host material may be bone and the hole formed may be an osteotomy that is prepared with dense, compacted sidewalls to receive a bone implant with a high degree of primary stability.

The present disclosure is directed to an expanding bone implant and, more particularly to an oral implant having radially extendable anchoring means.

A pedicle anchor device is equipped for being used like a pedicle screw, i.e. for being implanted in the vertebra from dorsal direction (but generally at an angle to the sagittal plane, slightly inward towards the sagittal plane) through the pedicle so that a distal portion of the device protrudes into the vertebral body. The pedicle anchor device includes a pedicle anchor device body with a head portion, a shaft portion and a longitudinal bore that extends from a proximal end of the pedicle anchor device body and has a hole or a plurality of holes from the longitudinal bore outward, for example radially outward.

An implantable dental device comprising polymeric shape memory material for implantation into a cavity within alveolar bone of the jaw or within the root canal space of a tooth.