dental02.jpg (11342 bytes)Fundamentals of
Dental Materials

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Gypsum Products, Dental Waxes, and Impression Materials

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a. General. Baseplate wax is used mainly for making occlusion rims and for holding artificial teeth to baseplates during the fabrication of dentures.

b. Properties. Baseplate wax is composed mainly of beeswax, paraffin, and coloring matter, which are mixed together, cast into blocks, and rolled into sheets. The sheets are red or pink, 3 inches wide and 6 inches long. Baseplate wax is relatively hard and slightly brittle at room temperature but becomes soft and pliable when heated.

c. Usage. Baseplate wax must be capable of holding porcelain or acrylic teeth in position both at normal room temperature and at mouth temperature.

d. Two Types. There are two types of baseplate wax, hard and medium, listed in the Federal Supply Catalog. The hard type is suitable for use in warm climates but tends to crack and flake at low temperatures. The medium type is suitable for use at low temperatures but flows excessively at high temperatures.

David L. Heiserman, Editor

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Revised: May 22, 2017