Dental veneer instrument

Details Dental veneer instrument Dental veneer instrument

1987-10-16

1989-04-18

Wilson, John J.

Dentistry

Apparatus

Having suction orifice

433 50, 433 95, 433 77, 433141, A61C 1704

Patent

active

048222780

ABSTRACT:
A dental instrument is provided for use in facilitated placement and fixation of dental veneers of fragile porcelain-based material or the like designed for bonding onto patient teeth. The instrument includes a lightweight handpiece adapted for coupling to a vacuum source, in combination with a disposable transparent tip designed to engage and conform with surface contours of a dental veneer for vacuum-holding of the veneer during manipulation preparatory to fixation. A valve port on the handpiece can be opened or closed with a fingertip or with a movable valve member to facilitate controlled pick-up and release of the dental veneer. The transparent tip enhances dentist vision during veneer placement and further permits passage of radiation for improved curing of a light curable bonding agent conventionally used for veneer fixation. A multipurpose vacuum source adapter and alternative instrument geometries are also disclosed.

REFERENCES:
patent: 2979056 (1961-04-01), Wiseman
patent: 3208145 (1965-09-01), Turner
patent: 3516160 (1970-06-01), Leffler
patent: 3721006 (1973-03-01), Malmin
patent: 4074435 (1978-02-01), Orsing
patent: 4204328 (1980-05-01), Kutner
patent: 4353694 (1982-10-01), Pelerin
patent: 4610664 (1986-09-01), Harle

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