n.pl. (treated as sing.) the branch of dentistry concerned with the structures surrounding and supporting the teeth. periodontal adj. periodontist n.
[ PERI- + Gk odous odont- tooth ]
n.pl. (treated as sing.) the branch of dentistry concerned with the structures surrounding and supporting the teeth. periodontal adj. periodontist n.
[ PERI- + Gk odous odont- tooth ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012