Dental mold for upper and lower jaw

A mold for taking impressions of a upper or a lower jaws, the mold comprising:

• a main part including
• a U-shaped generally flat base plate having a rearwardly concave and open U-shaped inner periphery and a forwardly convex U-shaped outer periphery,
• a U-shaped rim projecting transversely of the plate from the outer periphery thereof, and
• a handle projecting forward from the outer periphery and formed with a rearwardly open passage;
• an upper-jaw insert including
• a U-shaped upper-jaw wall generally complementarily fittable in an engaged position with the inner periphery of the base plate to form therewith a transversely open U-shaped recess adapted to receive molding compound,
• a palate plate bridging the U-shaped upper-jaw wall, and
• a stem projecting forward from the upper-jaw wall and engageable in the passage when the upper-jaw wall and rim define the recess;
• a lower-jaw insert including
• a U-shaped lower-jaw wall generally complementarily fittable in an engaged position with the inner periphery of the base plate to form therewith a transversely open U-shaped recess adapted to receive molding compound, the lower-jaw wall forming a rearwardly open tongue-accommodating cutout, and
• a stem projecting forward from the lower-jaw wall and engageable in the passage when the lower-jaw wall and rim define the recess;
• and
• means for arresting either of the stems in the passage in any of several relative positions of the inserts and main part.