“…If there is a vertical disorder, the earlier patients go through treatment, better are the achievable results, due to the establishment of growth tendencies (NIELSEN, 1991; VAN DER LINDEN, 1999;PROFFIT et al, 2007). Therefore, it influences treatments choices, methods and possible outcomes (PEPICELLI et al, 2005). The vertical facial pattern of a patient have been related to several etiological features, such as the growth of mandible and maxilla, dento-alveolar vertical development, muscle and lips function (NIELSEN, 1991; VAN DER LINDEN, 1999;BOCK et al, 2005), heritability (BAYDAS et al, 2007), among others.…”