Patent ID: 7192278

Claim:
A base assembly for fabrication of false teeth, including a base, comprising: a raised portion in the shape of a gum provided on the said base, a number of protruding blocks provided symmetrically and evenly at the interior and exterior arc edges of the raised portion, and positioning holes provided between two opposite protruding blocks; and a removable holddown plate with a configuration corresponding to the raised portion provided over the raised portion, and wherein the holddown plate has a flat surface on the upper surface, has recesses corresponding to the protruding blocks to be engaged with the protruding blocks and has mounting pins corresponding to the positioning holes to be engaged with the positioning holes on the lower surface, wherein detachable positioning pins are provided on the upper surface of the said holddown plate opposite to the mounting pins of the lower surface, and the positioning pins are secured through the threaded connecting portion provided on the top of the mounting pins.