| 摘要 |
PROBLEM TO BE SOLVED: To provide a dental drill for a dental implant treatment, capable of drilling two or more holes at a predetermined angle with a gap between the holes in a space that can accommodate one tooth, and achieving the dental implant treatment to be performed accurately and speedily without depending on the technique of a dentist.SOLUTION: The dental drill comprises a first member 2 provided with a drill body 22 and a second member 3 provided with a fixing needle 32, the first member and the second member slidably crossing with each other at a predetermined angle. The drill body is disposed in a direction vertical to the axis direction of the first member with the distal end of the drill body being directed to a direction in which the fixing needle is disposed. The fixing needle is disposed in a direction vertical to the axis direction of the second member with the distal end of the fixing needle being directed to a direction in which the drill body is disposed. The drill body is configured to drill a first hole obliquely to a developing direction of a natural tooth and a second hole facing the first hole at a predetermined angle. The fixing needle is configured to be inserted into the first hole to secure the second member to a jawbone. The first member is slid on the basis of the second member secured to a jawbone to drill the second hole with the drill body.SELECTED DRAWING: Figure 1 |
