Reduction of HbA1c levels following nonsurgical treatment of periodontal disease in type 2 diabetics.

Objectives: A study was made of the effect of nonsurgical periodontal treatment upon blood glucose control in type 2 diabetics with periodontal disease.

Study Design: A pre-post repeated measures analytical design was used, with a PubMed search of the related articles published up until December 2008.

Results: The improvement in glycosylated hemoglobin (HbA1c) after nonsurgical periodontal treatment on comparing the baseline (8.