A person whose profession is the care of teeth and the surrounding soft tissues, including the prevention and elimination of decay, the replacement of missing teeth with artificial ones, the correction of malocclusion, etc.
Webster's New World
A person who is trained and licensed to practice dentistry.
Couldn't he have gone to the doctor or the dentist or someplace?
The word "dentist" has the denotation "man or woman who fixes teeth."
The dentist begins by asking the patient specific questions about the toothache, including the types of foods that make the pain worse, whether the tooth is sensitive to temperature or biting, and whether the pain is worse at night.
In the early twentieth century a young dentist in Colorado Springs, Colorado, named Frederick McKay, noticed that many local residents had brown stains on their permanent teeth and that their teeth were surprisingly resistant to decay.
In other words, a dental patient will know that a visit to the dentist will cost a certain dollar amount - such as a $10 co-pay - instead of going into the visit knowing that the co-pay will some percentage of the total cost of the visit.