Age as an effect modifier with respect to gender in orthodontics in deep bite prevalence.
Objectives: To determine prevalence of deep bite and gender association with respect to age. Study Design: Cross-Sectional study. Setting: Department of Orthodontics Nishtar Institute of Dentistry, Multan. Period: 6 months i.e. from 15 December 2018 to 14 June 2019. Material & Methods: A study with 200 (126 females, 74 males) patients were taken as a sample after being examined in Chi square test was applied to determine association. Results: Deep bite was observed in 43% of patients in total sample of 200. Out of which 61.1% is found in females and 38.4% in males. It is also observed that age is an effect modifier with respect to gender. Conclusions: There as an insignificant difference in distribution of deep bite males and females. It is observed that with increasing ages deep bite decreases considerably.