P0194900 (pĕr′ē-ə-dŏn′tl)adj.1. Surrounding or encasing a tooth: a periodontal ligament.2. Relating to or affecting tissue and structures surrounding and supporting the teeth.per′i·o·don′tal·ly adv.
periodontally
(ˌpɛrɪəˈdɒntəlɪ) adv (Dentistry) dentistry with respect to periodontal tissue EncyclopediaSeeperiodontal