The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 1997
Filed:
Mar. 17, 1995
Americo Fernandes, Winnipeg, Manitoba, CA;
Other;
Abstract
A dental implant that is either pre-formed having a general conical taper to reflect the average taper of a single rooted tooth, or custom manufactured to reflect a major portion of the root structure of a tooth that has been extracted. A plurality of retention elements are arranged on the distal half of the implant to provide immediate macro retention of the implant in the alveolar bone. The retention elements are tapered both longitudinally and circumferentially and can be biased relative to the longitudinal axis of the implant to provide a screw like mechanism when the implant is rotated in the alveolar bone. The retention elements are spaced about the implant surface to maximize stagger. This reduces the sheer forces generated on the alveolar bone during function and ensures that the implant remains tightly seated for an extended period of time. The custom implant impression method uses a thin impermeable membrane to line a recess in the alveolar bone prior to obtaining an impression to inhibit pieces of the impression material from entering the recess and surrounding area that may cause infections.