There is absolutely no way that hot water formed trays can fit as closely as professionally made trays. It's also advisable to be under the supervision of a dentist, it's illegal for non dentists to sell these products.
I hope this helps
Kindest regards
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Dr Pav Khaira - Award winning dentist
UK & European Pioneer of the 3 Month Brace
Special interest in all forms of fast braces and advanced cosmetic solutions
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