Fig. 1From: Impact of surgical orthodontic treatment on quality of life in Chinese young adults with class III malocclusion: a longitudinal studyComparisons in the values of OHIP-14 between T0, T1, T2 and T2. General estimating equation was used for the comparison of the difference between T0, T1, T2 and T2 to adjust for age, gender, marital status and occupation. Values indicate mean OHIP-14 score and error bar indicates standard deviation. ns no significance *** P < 0.001Back to article page