(periodontology) A serious form or stage of periodontal disease which may lead to loss of bone and falling out of teeth.

(dentistry) The study of supporting structures of teeth—gums, alveolar bone, cementum, and the periodontal ligament—and diseases and conditions that affect them.

surrounding a tooth / Relating to the periodontium / Relating to periodontics

In a periodontal way.

Synonym of periodontal