Fig. 3From: Incorrect measurements and misleading conclusions in the article “Comparison of the efficacy of tooth alignment among lingual and labial brackets: an in vitro study”a Conventional lingual appliance. The conventional lingual brackets are individualized with a resin pad. The inter-bracket distance is very short. b Completely customized lingual appliance. The first arch-wire is routinely inserted behind the wings. The inter-bracket distance is substantially largerBack to article page