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*Corresponding author: Wael A. Kzar, E-mail: wgzar2@gmail.com
Regarding the clinical periodontal parameters, PLI and GI at the baseline were highest in CP group followed by CPDM group then the control group, while PPD and RAL were highest in CPDM group followed by CP. Highly significant differences were found between CPDM and CP groups except for GI which showed nonsignificant differences. TNF-α level at the baseline were highest in CPDM group followed by CP group then the control group. After treatment, results revealed a reduction in all of the clinical periodontal parameters and TNF-α level for both CPDM and CP groups. The correlation between the clinical periodontal parameters and TNF-α level showed almost a non-significant week positive correlation
Periodontitis, type 2 diabetes mellitus, , tumor necrosis factor-alpha, nonsurgical periodontal therapy