Dental training model with artificial teeth set

A dental model comprising an artificial lower jaw and an artificial upper jaw, each having upper exposed faces with gum-like portions thereon and bottom faces, and a plurality of artificial teeth removably inserted into each of said artificial jaws;

• each of said jaws having a plurality of socket holes to receive said artificial teeth with one socket hole for each tooth;
• each of the socket holes having an imaginary central axis extending through a jaw and comprising a lower portion and an upper portion, said upper portion having an orifice at said jaw upper face and said lower portion having an orifice at said jaw bottom face;
• the cross-sections of said socket hole lower portion taken perpendicular to said axis being oval and said lower portion being tapered along said axis;
• each of said teeth having an upper crown portion which resembles a natural tooth and which fits into said socket hole and protrudes above said jaw upper face, and a root portion which fits into said lower socket hole portion, each root portion having a bottom face, each of said root portions being oval in shape perpendicular to said axis and being tapered along said axis;
• a quarter-turn fastener pivotally secured in said root portion and turnable relative to said tooth about said axis a quarter turn to lock said tooth in said socket hole, said fastener including a locking head portion which fits through said socket hole lower portion orifice when in unlocked orientation, said locking head portion having an exposed lower face having turning means thereon and having an upper face which contacts, cams and locks against the bottom face of the jaw adjacent said socket hole when said fastener is in a rotated and locked orientation.