The Acronyms Of Dentistry

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AAE. N2O. TMJ. Are these the newest texting acronyms in the digital world? Nope, they are actually acronyms common to the dentistry world. Understand a little more about what your dentist is talking about by learning what these acronyms stand for.


ADA: American Dental Association

AAE: American Association of Endodontists

AAP: American Academy of Periodontology

AAO: American Association of Orthodontists

AAOMP: American Academy of Oral and Maxillofacial Pathology


DDS: Doctor of Dental Surgery

DMD: Doctor of Medicine in Dentistry (or Doctor of Dental Medicine)

RDH: Registered Dental Hygienist


BBTD: Baby bottle tooth decay

TMJ: Temporomandibular joint

TMD: Temporomandibular disorders

ONJ: Osteonecrosis of the jaw


F-: Fluoride

Ca: Calcium

PO43-: Phosphate

N2O: Nitrous oxide (also known as laughing gas)

Other Terms

B: Buccal (the side of the tooth which faces the cheek)

UL: Upper left quadrant of the mouth

UR: Upper right quadrant of the mouth

LL: Lower left quadrant of the mouth

LR: Lower right quadrant of the mouth

ADL: Area dental laboratory