Tools for dental work
OwnerDouglas G. Gwilliam, David G. Normaninventors
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Abstract
A dental tool for shaping teeth has a shank for fitting to a rotary drive and an abrasive head on the shank for working on teeth. For false teeth, the shank diameter, at least at the end that fits the drive, will be 2.35 mm, while for real teeth that diameter will be 1.6 mm. The head comprises diamond grit in a resin matrix, the resin preferably being a resole phenolic resin. Further particulate filler may be added.
Claims10
A rotary tool for dental work comprising a shank carrying at one end a rigid head of diamond grit in a resin matrix and its other end being smoothly cylindrical and having a diameter in accordance with the ISO standard for dental usage, the head being moulded onto said one end to form an effectively unitary tool.
Dependencies are inferred from the claim text.