Impression tray device with removable segments for dental...

Details Impression tray device with removable segments for dental... Impression tray device with removable segments for dental...

2000-12-15

2002-10-22

Wilson, John J. (Department: 3732)

Dentistry

Apparatus

Having static product shaping surface

Reexamination Certificate

active

06468078

ABSTRACT:

BACKGROUND OF THE INVENTION
An implant transfer is a post secured to the implant situated in the dental arch by means of a screw engaged in and tightened in the internal tapping of the implant.
The optionally-perforated conventional impression trays which are used with conjoined or adjoined prostheses cannot be adapted to taking impressions of transfers since they do not have an opening giving access to the screw of the transfer so as to allow the implant to be released, thus enabling the impression to be withdrawn.
OBJECTS AND SUMMARY OF THE INVENTION
The present invention provides an impression tray device for a transfer of a dental implant, in which the tray device has a closed face which includes a succession of removable segments.


REFERENCES:
patent: 53347 (1866-03-01), Schaffer
patent: 307579 (1884-11-01), Palmiter
patent: 1489192 (1924-04-01), Cleveland
patent: 3056205 (1962-10-01), Ennor
patent: 4708654 (1987-11-01), Branemark
patent: 5336086 (1994-08-01), Simmen et al.
patent: 568 941 (1960-12-01), None
patent: 569 435 (1961-05-01), None

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