Optimum penetration of a .024 or .031 inch self-threading pin in dentin is . . . a. 0.5 mm b. 1.0 mm c. 2.0 mm d. 2.5 mm e. 3.0 mm

Optimum penetration of a .024 or .031 inch self-threading pin in dentin is . . .
a. 0.5 mm  
b. 1.0 mm  
c. 2.0 mm  
d. 2.5 mm  
e. 3.0 mm
by

1 Answer

Answer :

c. 2.0 mm
by

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