In adult patients, this option is used more likely as an auxiliary one.
A plate on adult teeth is recommended for correcting and consolidating the result after wearing braces, for example, the design prevents the teeth from moving.
If an aesthetic moment is important, it is better to use burls – transparent silicone plates that are freely put on and take off.

Dental calculus
About splinting, malocclusion, etc.
Do you know what you can or cannot eat in braces?
About oral hygiene