CEDICT
dentist (Classifier: 位 m c; 個／个 m c)
Wiktionary
专治牙病的医生。
重編國語辭典
负责牙科疾病的医师
維基詞典
I am at the dentist.
Source: Tatoeba
He went to the dentist.
This dentist was too expensive.
The dentist is very polite to the patient.
I've got to see a dentist.
classifier: 顆