Re: tooth next to big front tooth. I recently had a filling fall out of this tooth and the dentist tells me that it is now all rotted from the inside per x-ray and needs to come out. My question (may be silly?) Is it possible to lose a filling and allow coffee and nicotine staining to leach inside the tooth's interior and make the xray appear as tho the tooth is rotten? I visit the dentist every 6 mo. and have no problem with this tooth other than the composite filling coming out. No pain either and he said the decay is into the nerve. I hope this question isn't too absurd?