Figure 6From: Lingual orthodontic treatment duration: performance of two different completely customized multi-bracket appliances (Incognito and WIN) in groups with different treatment complexities a-h: Final result after 17 month of lingual orthodontic treatment. The parallelism of the roots demonstrate a good tip control during space closure (c, d, e and h). Bonded retainers from 5-5 are used for retention in both arches (f and g).Back to article page