Patent ID: 8382479

Claim:
An apparatus for removing enamel from a person's tooth, comprising: a one-piece integrally-formed frame comprising a blade portion and a handle portion extending from the blade portion, the frame comprising a first material; an abrasive surface on the blade portion, the abrasive surface adapted to remove enamel from the tooth in response to reciprocating movement of the abrasive surface against the enamel of the tooth; and a one-piece integrally-formed body substantially covering at least the handle portion of the frame and leaving substantially exposed at least a portion of the blade portion of the frame, the body comprising a second material different from the first material, the body and the handle portion each having a substantially solid cross-section perpendicular to a central axis of the handle portion, the handle portion configured to be inserted into a corresponding opening in a driver mechanism that is adapted to drive reciprocating movement of the blade portion to provide the reciprocating movement of the abrasive surface; wherein at least a portion of the body extends through the handle portion of the frame in a direction generally perpendicular to the central axis of the handle portion.