Fig. 1From: Tooth brushing performance in adolescents as compared to the best-practice demonstrated in group prophylaxis programs: an observational studyMeans and standard error of the means of the duration of tooth contact on occlusal surfaces (quadrant 1–4) and on inner surfaces (sextant 1–6) and outer surfaces (sextant 1–6). Tooth contact while brushing with mandibles closed is attributed to both antagonistic sextantsBack to article page