Fig. 1From: Efficacy of an experimental toothpaste containing sodium bicarbonate, sodium hyaluronate and sodium fluoride on gingivitisStudy design. a Brushing at home > 12 h prior to each study visit was not supervised. BI, Bleeding Index; MGI, Modified Gingival Index; OHT, oral hard tissue; OST, oral soft tissue; PP, per protocol; TPI, Turesky Plaque Index; w/w, weight by weightBack to article page