Figure 1From: Effect of nonsurgical periodontal therapy verses oral hygiene instructions on Type 2 diabetes subjects with chronic periodontitis: a randomised clinical trial Flow chart of the Study Protocol. Flow chart shows the recruitment of subjects and baseline randomization of subjects into the NSPT or OHI groups. Following intervention, subjects are reviewed up to 3Â months post-therapy. (OHI: oral hygiene instructions; NSPT: nonsurgical periodontal therapy).Back to article page