Fig. 5

a Failures per patient for the group with mandibular .016″ × .022″ braided stainless steel retainers bonded to all six anterior teeth and maxillary .016″ × .022″ braided stainless steel retainers bonded to all four anterior teeth. b Failures per patient for the group with mandibular .027″ round TMA retainers bonded only to the canines and maxillary .016″ × .022″ braided stainless steel retainers bonded to all four anterior teeth