Aim: To determine the frequency of crowding in patients reporting at Nishtar Institute of Dentistry, Multan.

Methods: A total of 200 patients (126 females, 74 males) having malocclusion in permanent dentition were included in this cross-sectional study. Patients in the age group 7years and above were included in the study. Statistical analysis was done by using SPSS version20.0. Cross tabulations were performed for gender and age groups and chi square test was used to determine association.

Results: The frequency of crowding was found to be 29%. The percentage of crowding in males was 12% and females 17 %. While the frequency of crowding was 31% in males and 28% in females. It was found that there was a decrease in crowding with increasing age in both genders.

Conclusion: Crowding was more frequent in females than males.

Keywords: Malocclusion, Alignment, Orthodontics.