On one of the onlays the dentist recently put in, she filed it so far down (to adjust the bite, she said), that now there’s a sort of crater in the tooth that’s about 3 or 4 mm in diameter, and the color of the tooth there is gray. I think she filed it down way too far. My question is can that onlay be repaired by filling that area the dentist filed too much off of with a composite filling, as if she were filling a cavity? Or is that onlay ruined now? I had told the dentist that tooth was hurting a lot whenever I tried to chew anything, and that I was feeling a really deep-down sensitivity. But she kept telling me the tooth was fine, and she would not acknowledge that she had filed too much off of the onlay. I’m wondering if the onlay is ruined, or if it can be repaired by filling it in with a composite material? I’m hoping that maybe then there will be more of a covering on that part of the tooth, and then the deep sensitivity will stop and also I’ll be able to chew on it without pain. What do you think?
I’m guessing from what you’re telling me that this is a porcelain onlay that you’re talking about and not a gold onlay, since you mentioned that it now looks gray.
Sometimes, if the tooth wasn’t reduced enough in the preparation appointment and if something wasn’t done right with your bite, or if there’s a problem in seating the restoration accurately, you can end up with a lot of adjustment being required to get the tooth to fit the bite. Usually this won’t affect the integrity of the restoration, but it could. I can’t really tell from what you’ve told me if it has or hasn’t. But repairing it with a composite filling wouldn’t help. If you wear through the onlay later, then a repair could be an option to replacing the onlay. My guess would be that the onlay is fine, but maybe not.
But I’m concerned about the pain you’re feeling when you’re chewing. You’re talking about a deep sensitivity in this tooth. I’m wondering if your tooth is infected.
I’d suggest getting a second opinion. Get a recommendation of a dentist you feel you can trust and ask him or her to x-ray this tooth and examine it to see if it’s okay. That will answer the question about possible infection, and if there is enough onlay left on the tooth to protect the tooth.
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