Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Atsushi Takahashi0
Date of Patent
August 31, 2010
0Patent Application Number
105249910
Date Filed
August 20, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A dental prophy chip with a hollow core of different shapes such as canopy, cylinder, cup and inverted cone, is covered by hydrophilic grindstone sponge containing a polishing agent and its edge is either pressed fixed or folded into the interior of the core with a latch plate. A shaft is fixed to the latch plate to avoid resonance at bottom surface, during rotation. The device maintains polishing efficiency by avoiding transverse oscillation in polishing barrel-shaped tooth clearance and reducing frictional heat.
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