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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: J Clin Periodontol. 2009 Aug 23;36(10):857–867. doi: 10.1111/j.1600-051X.2009.01471.x

Figure 3.

Figure 3

Bar charts of the mean changes (±SD) in probing depth, clinical attachment level and percentage of sites with bleeding on probing at sites with initial probing depth ≤ 3, 4∓6 and ≥ 7 mm between baseline and 2 or 6 months post-SRP in the three treatment groups. Subjects in the SRP and SRP+PPC groups rinsed with placebo. The whiskers represent the SD. Significance testing is as described in Fig. 2. SRP: Scaling and root planing; PPC: Professional plaque control; CHX: Chlorhexidine rinsing.