The incisive papilla in the edentulous maxillary arch acts as a guideline to proper placement of the maxillary central incisors. The central incisors are generally found to be ________ mm anterior to a Line bisecting the incisive papilla:: (A) 8 to 10mm, (B) 6 to 8mm, (C) 4 to 6mm, (D) 5 to 7mm
Answer is A. None