Dental matrix retainer

Details Dental matrix retainer Dental matrix retainer

2008-01-29

2008-01-29

Rodriguez, Cris L. (Department: 3732)

Dentistry

Apparatus

Hand manipulatable implement

C433S039000

Reexamination Certificate

active

10526685

ABSTRACT:
The invention relates to a dental matrix retainer (1) used as an aid when filling two-surface cavities in the molars. It comprises a matrix holder (3) and a device for tensioning a matrix band (2) placed in the form of a loop (22) around the tooth which is to be treated, the matrix holder (3) being composed of a housing (5) with a circular opening (8), and of a spindle like inner body (9) which can turn in this opening (8) and which is provided with a gap (12).The gap (12) can be aligned with a slit (10) in the wall of the housing (5) such that the superposed ends of the matrix band (2) can be inserted into this slit (10) and into the gap (12) aligned therewith and can be tensioned on the tooth by turning the spindle (9).

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patent: 19738189 (1997-02-01), None
patent: 0227590 (1986-01-01), None
patent: 0688540 (1995-06-01), None
patent: 0910996 (1997-10-01), None

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