Enhanced cutting drill tip for endosseous implants

Details Enhanced cutting drill tip for endosseous implants Enhanced cutting drill tip for endosseous implants

1994-07-01

1996-10-29

Lucchesi, Nicholas D.

Dentistry

Apparatus

Tool bit

A61C 302

Patent

active

055690351

ABSTRACT:
A tri-spade dental drill with an enhanced cutting tip for preparing surgical sites for endosseous implants is described. The cutting tip incorporates a split point cutting surface for each of the three blades wherein the split point includes a positive rake angle. All three split points converge at the center of the drill, eliminating any chisel edges. The positive rake angle split point and its offset secondary cutting flutes breaks the removed bone into smaller chips, decreasing the principle cutting force necessary for drilling and facilitating material ejection.

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patent: 5261818 (1993-11-01), Shaw
Journal of Biomechanical Engineering, Aug. 1982, vol. 104, pp. 245-252; Surgical Drilling: Design and Performance of an Improved Drill.

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