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US 4,544,353 AGranted
Orthodontic appliance for direct bonding to a tooth
AssigneeUnitek Corporation
InventorsRobert S. Maurer, Min H. Tsai
Life of this patent
Estimating the term…
Abstract
An orthodontic direct bond appliance has a body with a base. The base includes a rim extending from its periphery at an angle between about 90.degree. and 170.degree. so as to define a recess for receipt of bonding material. The rim shears off any excess flash.
Claims5
An orthodontic direct bond appliance comprising:
- a body having an integral thin base portion extending therefrom, said base portion including a bonding surface wih a rim projecting from the periphery of said surface forming an inside angle with said surface ranging between about 90.degree. to about 170.degree., said integral thin rim and bonding surface defining a recess adapted for receipt of bonding material, whereby the rim shears off any excess flash.
Dependencies are inferred from the claim text.