s. Vertical Dimension. A vertical measurement of the face between any two
arbitrarily selected points that are conveniently located one above and one below the
mouth, usually in the midline.
Section II. INSTRUMENTS AND EQUIPMENT
5-3.
GENERAL
Instruments and equipment commonly used in prosthodontics are described in
this section. Medical Supply Catalog nomenclature is capitalized in parentheses
following the common name of each item.
5-4.
DESCRIPTION OF INDIVIDUAL ITEMS
a. Impression Tray (IMPRESSION TRAY, DENTAL). Impression trays (figure
5-1) are carriers for the material used in making impressions of the teeth, alveolar
ridges, and adjacent structures. They are manufactured in various sizes and shapes to
accommodate the size and shape of the arch, the type of impression material to be
used, and the impression technique to be followed.
Figure 5-1. Impression trays.
MD0503
5-4
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