Lesioni cervicali non cariose e restauri di V Classe: ripercussioni sulle condizioni parodontali

Comparative clinical and psychosocial benefits of tooth bleaching: different light activation of a 38% peroxide gel in a preliminary case–control study

“…Data were expressed as the median (Mdn) and interquartile range (IR). As both intra-and intertreatment differences were assessed using a split-mouth design based on a within-participants analytical strategy [21][22][23], all pairwise comparisons were performed using the Wilcoxon nonparametric signed-rank test for related observations. The decision criterion for statistical significance was set at a = 0.05 (i.e., P < 0.05 for hypothesis testing).…”