May Allah reward you with goodness. The questioner says: Sheikh, regarding dental correction and filing teeth for beautification, is there anything about this in the Sharia?

If the teeth have a defect or.

and there is a flaw, then there is no problem in correcting and treating them. But if they are healthy, it is not allowed to interfere with them by creating gaps or anything similar.

Yes, the Prophet ﷺ cursed those who create gaps between their teeth for beauty, yes.