Oral examination If having cavities, the filling must be completed. And clean the teeth If having gum disease, treatment must be maintained to the level that controls gum disease. During orthodontics Patients must be periodically examined and cleaned by a dentist at least every 6 months. Teeth cleaning during dental braces can be done without removal. Tools out, why have to extract teeth?

Reference content
https://thaiortho.org/ should check the teeth before /
.
Photo by kazuend on Unsplash