CPC G09B 23/32 (2013.01) [G09B 23/303 (2013.01); G09B 23/34 (2013.01)] | 20 Claims |
1. A system comprising:
a mouth model comprising:
an upper jaw comprising a neck and a plurality of protrusions;
a lower jaw comprising a central recess;
a compressible pad coupled to the central recess of the lower jaw; and
a mouth wall comprising an aperture on a top surface of the mouth wall and a side surface for removably coupling with the lower jaw; and
a piston configured to be inserted through the aperture of the mouth wall and removably coupled with the neck of the upper jaw.
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