Bring the teeth put in a metal box, sphere, which has holes around. Place in a beaker containing 10% buffered formalin, which is set on a swivel for a period of 48 hours at room temperature.
The teeth were put in a metal box surrounding a round hole. Put in a beaker containing 10% buffered formalin, which is set on a rotation for 48 hours at room temperature.
The tooth wear in metal boxes, spheres, which have holes around, put in a beaker containing 10% buffered formalin is set on the air rotate for 48 hours at room temperature.