Abstract: A dental bur for use in examining anomalies and in restoration of decayed areas of teeth with a bur head having a generally elongate conical shaped body with a base and an opposed vertex. Cutting members are located about the outer surface of the body between the base and vertex and extend along the outer surface of the bur head which has a length of at least 1.5 millimeters.

Abstract: Method for fabricating seamless adaptor for connecting trunk line HVAC duct to branch conduit including steps of positioning first segment of strip of sheet metal at first die assembly and exerting force onto first segment forming elliptical shaped segment, punching hole into central portion of elliptical segment and providing connector strip between first and trailing segment of metal strip; positioning elliptical segment at second die assembly and at same time positioning trailing segment at first die assembly and exerting force onto first and trailing segments, drawing elliptical segment at second die assembly into form having generally cylindrical shape projecting transverse to surface of the elliptical segment and positioning hole to be generally centered within end of form and forming annular rim surrounding hole and bending portion of elliptical shaped segment surrounding another end of form forming flange having a camber; positioning form at third die assembly and at same time positioning trailing seg