Do scratched teeth repair?

Treatment of dental erosion may require restorative cosmetic dentistry if the ... on the affected teeth for further protection and repair of tooth enamel. ... Depending on the degree of tooth wear.

The dentist can wear it down and possibly cap it so it isn't so sharp. It will also wear down naturally, but it won't re-grow or heal unless it is a tiny scratch.

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If a small portion of tooth has become rough, then selective grinding followed by polishing can be done to remove the roughness of tooth structure. If much of tooth structure is scratched off and is irritating, then you probably require veneers or crowns for it. You can visit your dentist for evaluation.

Enamel can't regrow, you will be there forever, you might be able to ask your dentist/Ortho to grind down the rest of your tooth so it's flush.

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