Patent ID: 6186788
Filing Date: 2001-02-13
Classification: A61C

Abstract:
Lingual occlusal burs for shaping denture teeth comprising:a first bur provided with a first shank, a proximal end of said first shank for removable attachment to a drill and an opposite distal end of said first shank, a proximal end of a first bur head secured to said distal end of the first shank, a non-cutting central portion provided approximately midway between said proximal end of the first bur head and an opposite distal end of said first bur head, both said proximal end and said distal end of said first bur head provided with cutting surfaces, and each said cutting surface provided at an acute angle to a line parallel to a longitudinal axis of the first bur, anda second matching bur provided with a second shank, a proximal end of said second shank for removable attachment to a drill and an opposite distal end of said second shank, a proximal end of a second bur head secured to said distal end of the second shank, a cutting central portion provided approximately midway between said proximal end of the second bur head and an opposite distal end of said second bur head, both said proximal end and said distal end of said second bur head provided with non-cutting surfaces, and each said non-cutting surface provided at an acute angle to a line parallel to a longitudinal axis of the first bur.