A patient comes to your clinic with complaint of food, lodgement/sticking in interproxlmal area of 47. On intra-oral examination, 47 is restored with disto- occlusal amalgam restoration. What can be the most probable reason for patient problem?: (A) Contact area placed more gingivally, (B) Occlusogingivally contact area become wide, (C) Bucco-lingually contact area wide, (D) Contact area placed more occlusally
Answer is D. None