Fig. 2From: Efficacy of an experimental toothpaste containing sodium bicarbonate, sodium hyaluronate and sodium fluoride on gingivitisNBS over time for all study groups (mITT population). Error bars = standard error of the mean. NBS was calculated as the number of sites with BI score 1 or 2. mITT, modified intent-to treat; NBS, number of bleeding sitesBack to article page