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?
Contact area placed more gingivally
Occlusogingivally contact area become wide
Bucco-lingually contact area wide
Contact area placed more occlusally