Abstract
Londono and Marafie Givan and AuClair Thin vacuum-formed materials are used for a variety of purposes in dentistry, including: as a matrix for provisional restorations, for vertical and horizontal space assessment, or as surgical guides for implant placement, crown lengthening, and other preprosthetic surgical procedures. A clinician may desire a set of unaltered casts for presentation purposes, and most methods to remove a vacuumformed matrix will result in scratching or otherwise marring the cast. A simple procedure to remove a matrix while minimizing damage to casts is presented. In this method, a mounted bristle brush or similar short-bristle rotary brush is used with light pressure and rapid rotation in a straight handpiece or laboratory motor to efficiently cut the splint material. Alternative methA method of removing a splint material from a cast with minimal damage
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