Asking questions about orthodontics

The curve of the lower teeth is steep and crowded seriously. It is impossible to judge the sagittal bone type without radiography, and it is impossible to determine whether to extract teeth. Invisible orthodontics without braces and brackets can't solve the vertical problem. It needs to be corrected 1 year, and the cost is1w.

Hangzhou Stomatological Hospital-Orthodontics Department-Deputy Chief Physician Luo Ying