A 45 year old female patient returns to your clinic with complaints of food lodgement in interproximal area of 47. On intraoral examination, 47 is restored with mesio-disto-occlusal amalgam restoration. How many point angles and line angles are there in this preparation?: (A) 4 and 8, (B) 6 and 8, (C) 6 and 14, (D) 8 and 14
Answer is D. None