Which of the following cephalometric point can be altered by orthodontic tooth movement?: (A) Point-A, (B) ANS, (C) Nasion, (D) Gonion
Answer is A. Subspinale ("A" Point)
The most posterior point on the curve between ANS and PR (SPr).
"A" point is usually found 2 mm anterior to the apices of the maxillary central incisor root.