Patent ID: 8696361
Filing Date: 2014-04-15
Classification: A61C,G09B

Abstract:
1. A practice model for learning dentistry skills, the model comprising: a shell adapted to be attached to a phantom head or articulator, and a plurality of through-holes disposed in said shell, one or more teaching teeth individually arranged in said through-holes of said shell and a carrier plate adapted to be locked on said shell and by means of which one or more of said teaching teeth can be releasably fixed on said shell wherein at least one peg is disposed on said carrier plate, and a holding chamber is disposed in said peg; a holding element projects from each of said teaching teeth and passes through said through-hole in said shell when said teaching tooth is installed; said holding element is aligned with said holding chamber of said peg and is inserted in said one holding chamber; a holding strip is disposed between said shell and said carrier plate, the contour of said holding strip being adapted to contours of said carrier plate and said shell and is disposed in openings which are round and flush with said holding chamber, said holding strip being mounted in an axially movable arrangement for securing said holding element of said teaching teeth relative to said carrier plate between said carrier plate and said shell.