orthodontist
From Longman Dictionary of Contemporary EnglishRelated topics: Nurses, doctors, etcorthodontistor‧tho‧don‧tist /ˌɔːθəˈdɒntɪst $ ˌɔːrθəˈdɑːn-/ noun [countable] MNa dentist whose job is to help teeth to grow straight when they have not been growing correctlyExamples from the Corpusorthodontist• But nothing that a good dietitian and orthodontist couldn't put right.