<prompt> A 12-year-old boy presented to the orthodontic clinic with irregularity of his front teeth. Intraoral examination reveals class I molar relationship and crowding of maxillary and mandibular teeth. Orthodontic diagnosis is:Class I type 1Class I type 2Class I type 3Class I type 4  <response>: Dewey divided Angles class I into 5 types and Angles class III into 3 types. 