Research Article
Tai Chi Exercise Increases SOD Activity and Total Antioxidant Status in Saliva and Is Linked to an Improvement of Periodontal Disease in the Elderly
Table 4
Oral hygiene index-simplified and periodontal disease index by group.
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Values are means ± SE. Repeated measures analysis of variance ; OHIS: oral hygiene index-simplified; PDI: periodontal disease index. |