(under subclass 167) Subject matter relating to the formation or use of either (a) an imprint or negative likeness of a part of the dental cavity, or (b) a visual record indicating the occlusal relationship of a patient's teeth.
SEE OR SEARCH THIS CLASS, SUBCLASS:
37+, for impression trays.
68+, for apparatus employed in determining a patient's bite.
SEE OR SEARCH CLASS
520, Synthetic Resins or Natural Rubbers, particularly Class 523,
109, for a composition containing a synthetic resin wherein said composition is useful in taking impressions of the mouth or to processes of preparing said composition.