Apparatus for preserving interdental papilla and method for usin

Details Apparatus for preserving interdental papilla and method for usin Apparatus for preserving interdental papilla and method for usin

1996-01-16

1998-05-12

O'Connor, Cary E.

Dentistry

Prosthodontics

Holding or positioning denture in mouth

433172, A61C 800

Patent

active

057497311

ABSTRACT:
An emergence cuff (30,30') formed of suitable biocompatible synthetic plastic is shown having a bore adapted to be received on an abutment in turn mounted on a root marker implanted in the alveolar ridge of a patient. The cuff has a bore (36) generally matching the crown receiving surface of the abutment and an outer surface which goes from a feathered edge portion with the bore a first end (34,34') closest to the root member and a larger outer surface at the second end. The gum tissue is sutured onto the cuff and abutment so that after sufficient healing when the cuff is removed a sulcus is formed to receive a crown with the interface of the crown and the abutment located below the gum line. The emergence cuff can also serve as the cervical portion of a temporary crown (40) by attaching it thereto as by using a mechanical interlock (39), if desired. An optional radially inwardly extending flexible lip (48) is shown at the first end to provide a positive seat for the cuff member on the abutment.

REFERENCES:
patent: 4293302 (1981-10-01), Hassler et al.
patent: 4531916 (1985-07-01), Scantlebury et al.
patent: 4738623 (1988-04-01), Driskell
patent: 5104318 (1992-04-01), Piche et al.
patent: 5286195 (1994-02-01), Clostermann
patent: 5297963 (1994-03-01), Daftary
patent: 5344457 (1994-09-01), Pilliar et al.

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