Artificial crown for natural tooth - is produced by using model with telescopic support for model tooth stump

摘要

The artificial crown fitted to the stump of a natural th has a tendency to elongate after being fitted so that the crown projects above the adjacent natural teeth. A method of overcoming this problem involves supporting a model (1) of the tooth stump in a telescopic support (3) on a model (2) of the patient's teeth. The artificial crown can be ground to align it with the adjacent teeth with allowances being made for subsequent elongation. The telescopic support (3) consists of a pin (4) which fits in a bush (5) and is free to slide vertically. USE - Artificial crowns for natural teeth.