METHOD AND APPARATUS FOR MAINTAINING TOOTH AND GINGIVAL STRUCTURES WITH ULTRASONIC ENERGY
United States Patent 3547110

Inventors:
Balamuth, Lewis
Publication Date:
12/15/1970
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Assignee:
ULTRASONIC SYSTEMS
Primary Class:
601/162
Other Classes:
601/163, 15/22.100
International Classes:
A61C17/20; A61H13/00; A61C17/16; A61H9/00




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