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:
Dewey divided Angle’s class I into 5 types and Angle's class III into 3 types.
Class I type 1
Class I type 2
Class I type 3
Class I type 4