Natural progression of periodontal diseases in Chinese villagers based on the 2018 classification. Iao S, Pei X, Ouyang X, Liu J, et al. J Periodontol 2021;92:1232-1242.

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Iao S, Pei X, Ouyang X, Liu J, et al. Natural progression of periodontal diseases in Chinese villagers based on the 2018 classification. J Periodontol 2021;92:1232-1242.
PMID: 33277921