Comparison of self- and conventional-ligating brackets in the alignment stage

Dear Sir,In volume 34 issue 2 of the European Journal of Orthodontics the readers can find an article by Wahab et al. (2012) on comparing the efficacy of Damon™ 3 self-ligating brackets (SLB) with Mini Diamond conventional ligating brackets (CLBs) in alignment of the upper labial segment teeth during fixed appliance therapy. We would like to express several concerns regarding this article.First of all, the authors need to be congratulated on their methodologically sound RCT studies in which patients between 14 and 30 years of age (mean 20.7 …