Patent ID: 6565356
Filing Date: 2003-05-20
Classification: A61C

Abstract:
A dental diamond bur comprising a tip portion that is a body of revolution with a convergent smooth curve, having a diameter in a shank portion side thereof of 0.5 to 0.8 mm and a height of 0.5 to 0.85 mm; and a diamond grains-attached portion that is a body of revolution with an externally convex curve from a rear end of the tip portion toward a shank portion, a maximum diameter portion of the diamond grains-attached portion being positioned in a range of 5.0 to 10.0 mm from the front end of the tip portion, and the tip portion side of the diamond grains-attached portion constituting a smooth surface in which diamond grains are slightly protruded from the shank portion side of the tip portion.