Dental implant system and method
AssigneeDebbie, LLC
InventorVincent J. Morgan
Life of this patent
Estimating the term…
Abstract
An integrated abutment crown (22) has an abutment portion (24) having a central portion (24a) intermediate to a post portion (24b) receivable in the bore of an implant and a head portion which includes a nose (24c) and shelf (24d) extending from the outer circumference of the central portion to the nose. The abutment portion (24) is formed with a smooth curved surfaces for supporting crown portion (26) material applied directly onto the nose and shelf of the head portion.
Claims16
An abutment for use with an implant having a first end and a second end and a longitudinal axis passing through the first end, the implant having a bore formed through the first end and extending along the longitudinal axis, the abutment comprising a central portion between a post portion and a head portion, the post portion having a longitudinal axis and being receivable in the bore of the implant, the central portion formed with a smoothly curved outer surface extending from a relatively large diameter progressively down to a smaller diameter where the central portion joins the post portion, the head portion having a longitudinal axis and having a nose extending along the longitudinal axis to a rounded free end, a shelf being formed between the central portion and the nose, the shelf having an outer portion and an inner portion, the outer portion forming a selected angle with a plane perpendicular to the longitudinal axis of the head portion and the inner part forming a smooth curved surface with the nose, the shelf and nose adapted to support crown material received thereon.
A method of forming a crown on an abutment having a central portion between a post portion and a head portion, the head portion having a nose, a shelf having an outer and an inner peripheral part, the shelf extending between the nose and the central portion around the circumference of the central portion, comprising the steps of
- applying and shaping prosthetic material directly to the nose and shelf all around the circumference of the central portion, and
- polishing the outer surface of the prosthetic material and the adjacent external surface.
Dependencies are inferred from the claim text.