Ortodontist ona en az iki yıl süreyle pantolon askısına ihtiyacı olacağını söyledi. - The orthodontist told him he'd need braces for at least two years.
An orthodontist is a dentist who corrects the position of people's teeth. a dentist whose job is to help teeth to grow straight when they have not been growing correctly
a dentist specializing in the prevention or correction of irregularities of the teeth
A dental specialist who has completed an ADA accredited advanced post-doctoral course of at least two academic years in the special area of orthodontics