I had a 30-year-old amalgam filling in my lower left pre-molar that finally started leaking. I have excellent oral hygiene, which may have contributed to the longevity of the filling. The tooth turned gray a couple of months ago, and when I went to the dentist for my cleaning a couple of weeks ago, she recommended I get a crown. This is my first crown, and I was nervous. I'd no idea that... more
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