Fig. 4From: A randomised clinical study investigating efficacy of a stannous fluoride toothpaste in improving gingival health after 3 weeks’ useMean modified Gingival Index (MGI) score ± standard error* (modified intent to treat population). *Raw mean at baseline (pre-prophylaxis); adjusted mean at Weeks 6 and 12 (post-prophylaxis following baseline assessment). MGI score ranges from 0 (absence of inflammation) to 4 (severe inflammation)Back to article page