Definitions

1. noun

A dentist who specializes in the diagnosis, prevention, and treatment of diseases and conditions of the teeth and their supporting structures.

“After visiting the general dentist, I decided to see an orthodontist for orthodontic treatment.”

2. noun

A specialist in the branch of dentistry dealing with the arrangement and alignment of teeth, including the correction of malocclusion.

“My daughter is going to see an orthodontist to get her teeth straightened.”