I recently noticed a fracture in a small molar and after a piece of food became lodged in it, a very small sliver of the tooth broke off while flossing. The tooth is not loose and there is no pain or sensitivity associated with that tooth or the surrounding area. What is noticable now though is discoloration (ie: likely decay) on the inside area of the tooth from where the sliver broke off.
What is the likely treatment for such a condition? Is root canal the recommended treatment, or can decay simply be scrapped away and a protective coating (or crown) put on the tooth when the tooth isn't loose and there is no pain?