Pages 423-430, Language: EnglishKocadereli / YukayA patient who had a Class I malocclusion with maxillary insufficiency and anterior crossbite is described. A 14-year-old girl with limited growth potential had an impacted permanent maxillary canine. The permanent mandibular first molars had been extracted previously. Treatment included extraction of the maxillary first premolars and comprehensive edgewise orthodontic therapy.
