Objectives: To measure arch widths in Saudi subjects with Class II, Division 1 malocclusion and to compare arch widths
between normal occlusion and Class II, Division 1 malocclusion in Saudi subjects.
Methods: The current study consisted of study models of sixty subjects (30 males and 30 females), aged 13 to 20 years.
All subjects had Class II, Division 1 malocclusion. An electronic digital caliper was used to measure the arch widths.
Results: The result showed that the means of the maxillary intermolar width I, themaxillary intermolar width II, and the