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Quintessence International
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Quintessence Int 25 (1994), No. 10     1. Oct. 1994
Quintessence Int 25 (1994), No. 10  (01.10.1994)

Page 697-703


Improving interproximal access in direct provisional acrylic resin restorations
Liebenberg
A new technique that improves interproximal access in direct provisional crylic resin restorations is presented. In this technique a clear Mylar strip is placed interproximally and lifted off with an overimpression prior to the beginning of the tooth preparation procedures. Preparation of the tooth and fabrication of the provisional restorations then continues in the usual direct manner. The Mylar strip, now embedded in the overimpression, becomes incorporated as a seaprator between the adjacent provisional restorations. The acrylic resin provisional restorations are easily snapped apart and finished individually. The advantages of the technique and the need for marginal perfection around the full perimeter of the tooth are also discussed.