Definition of periodontal adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌperiəˈdɒntl//
; NAmE NAmE//ˌperiəˈdɑːntl//
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related to or affecting the parts of the mouth that surround and support the teeth Word Origin 1940s: from peri- ‘around’ + Greek odous, odont- ‘tooth’ + -al.
See the Oxford Advanced American Dictionary entry: periodontal