Nobel Biocare Services, Ag

Wöhrle, Peter S.

Peter S Wöhrle

Charles W Howlett

Duaine E Griffith

The present invention relates to novel endosseous implants, which are designed so that the areas intended for bone soft tissue apposition exhibit a scalloped appearance, including both convex and concave patterns, to follow the naturally occurring bone morphology. Thus, the disclosed implants provide attachment possibilities for both bone and soft tissue, thereby effecting both hard- and soft-tissue preservation. REEXAMINATION RESULTS The questions raised in reexamination proceeding No. 90/007,836, filed Dec. 2, 2005, have been considered, and the results thereof are reflected in this reissue patent which constitutes the reexamination certificate required by 35 U.S.C. 307 as provided in 37 CFR 1.570(e) forreexaminations, or the reexamination certificate required by 35 U.S.C. 316 as provided in 37 CFR 1.997(e) forreexaminations.

Bioroot endosseous implant

A dental implant assembly for supporting a dental prosthesis. The assembly comprises a dental implant and an abutment. The dental implant comprises a body portion, a collar portion and a central bore. The body portion is located at a distal end of the dental implant and is configured to lie at least substantially below a crest of a patient's jawbone. The collar portion is located at a proximal end of the dental implant and forms an abutment mating surface which defines an outer edge that has a generally scalloped shape. The central bore extends through the collar portion and into the implant body portion. The central bore includes a threaded portion and a post portion. The abutment comprises a post configured to fit within the post portion of the central bore and an implant mating surface that is configured to mate with the abutment mating surface of the dental implant.

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Corona Del Mar, CA, United States of America

Peter S Wöhrle