Patent ID: 7695280

Claim:
A drill assembly for forming a dental implant socket in a jawbone comprising: a first pair of opposed drill points that rotate laterally along a first axis substantially transverse to a vertical axis taken along a direction of drilling into the jawbone, each drill point having a drill tip, and the two drill tips of the first pair of opposed drill points defining therebetween a maximum width; a framework that supports the first pair of drill points, the framework including a mounting that engages a hand piece; and a second pair of opposed drill points that rotate laterally along a second axis substantially transverse to the vertical axis and substantially parallel to the first axis, the second pair of opposed drill points supported by the framework and located further from the mounting along the framework than the first pair of opposed drill points, each drill point having a drill tip, and the two drill tips of the second pair of opposed drill points defining therebetween a maximum width, wherein the maximum width of the first pair of opposed drill points is greater than the maximum width of the second pair of opposed drill points.