Dentistry
Dentistry was the study and professional care of a person's teeth. A dentist was a person who practiced dentistry. This person received a medical degree upon completion of their study.

Most Starfleet medical personnel were trained in numerous fields, including dentistry. But there was also a dedicated sub-division of Starfleet Medical, Starfleet Dental, responsible for the field. 

Hygienists worked in the field of dentistry by providing teeth cleanings for patients who where under the care of a dentist. ()

Dentists 
In the 19th century on Earth, Doc Holliday was the local doctor and dentist of Tombstone, Arizona. ()

One branch of dentistry was orthodontics, the application of "braces" on a person's teeth to realign them. In the 20th century, Maury Ginsberg was a very successful orthodontist in Scarsdale, New York. ()

In 1986, time-traveler Dr. Leonard McCoy was sarcastically accused of holding a degree in dentistry by a surgeon preparing to operate on an injured Pavel Chekov at Mercy Hospital. ()

Dental practices 
Doctor Phlox had many degrees in alien medicine, among them was a degree in dentistry. ()

On , a common dental practice was for a Vulcan to have their teeth coated in a trifluorinate compound to prevent cavities. Despite having this done in 2128, T'Pol had a cavity in one of her anterior tricuspids that Dr. Phlox had to restore in 2151. ()

Hoshi Sato used a sonic toothbrush to clean her teeth. ()

The inhabitants of the planet 892-IV utilized a dental hygiene product known as Mars Toothpaste in 2268. ()

Resorption was a medical condition that caused tooth loss. ()

In the Ferengi and Klingon cultures, teeth were sharpened with a tooth sharpener. ()

Missing teeth could be replaced by removable substitutes. In 2375, imagining growing old with Benjamin Sisko by her side, Kasidy Yates joked about imagining him on Bajor "sitting in your rocking chair, watching the sunset over the mountains every night, wondering where you put your teeth", to which Sisko replied, "Just like my great-great grandfather, in the glass next to the chair." ()

In 2376, when Harry Kim asked Tom Paris if the holographic character Maggie O'Halloran had a sister, Paris warned him that the woman had wooden teeth. Kim suggested that an adjustment to the holomatrix would solve that problem, but Paris liked the Fair Haven holoprogram just the way it was. ()

Appendices

Background information 
Concept art for the  had a dental ward adjacent to sickbay.

Apocrypha
In the , Chain of Attack, a Dr.  was the doctor in charge of dentistry on board the .

External link 
 
Medical disciplines