Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61C
DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
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A61C5/80
Dental aids fixed to teeth during treatment, e.g. tooth clamps
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A61C5/85
Filling bands, e.g. matrix bands; Manipulating tools therefor
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