from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The branch of dentistry that deals with the study and treatment of periodontal disease.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The study of supporting structures of teeth—gums, alveolar bone, cementum, and the periodontal ligament—and diseases and conditions that affect them.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the branch of dentistry dealing with diseases of the gums and other structures around the teeth
Sorry, no etymologies found.