[{"word":"periodontics","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The study of supporting structures of teeth—gums, alveolar bone, cementum, and the periodontal ligament—and diseases and conditions that affect them.","synonyms":[],"antonyms":[]}],"synonyms":["periodontology"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/periodontics"]}]