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Agree, or do nothing. Let the body sort it out. I have one tooth in the corner of my mouth that has never had a filling, for perhaps 30+ years. Every time I visit a dentist they tell me I need this/that/the other urgently, and I refuse. The tooth is black on the top, and there is a special name for whatever it is my tooth has done to resolve the problem. But the damn thing works, it does not look great but it functions perfectly.