證據來源 · Source
Tonetti MS, Greenwell H, Kornman KS. Staging and grading of periodontitis: Framework and proposal of a new classification and case definition. J Periodontol.…
https://pubmed.ncbi.nlm.nih.gov/29926952/
證據來源 · Source
https://pubmed.ncbi.nlm.nih.gov/29926952/