Comparative Anthropometric Analysis of Facial Dimensions and Types in Qazvin, Iran and DeraGhazi Khan, Pakistan

introduction: cephalometry is an efficient tool for anthropometric studies. this study sought toassess facial dimensions and types of adults residing in qazvin (iran) and dera ghazi (dg) khan(pakistan). methods: in this cross-sectional study, a total of 300 ethnic populations of qazvin and 365 ethnicpopulations of dg khan aged between 18-55 years were randomly selected and evaluated. thesubjects had no maxillofacial deformities or history of head/facial trauma. facial height andbreadth, nasion-prosthion height, upper facial index, total facial index, facial type and profile wereevaluated in subjects. results: the difference in total facial index between males of qazvin and dg khan wasstatistically significant (p<0.005). this index was significantly different between qazvin anddg khan females as well (p<0.005). the mean upper facial index was greater in qazvin malesand females compared to dg khan and the difference in this respect between males of the twolocations was statistically significant (p=0.006). the most and the least common facial types inqazvin were hyperleptoprosopic and euriprosopic types, respectively whereas, leptoprosopicand mesoprosopic types were the dominant facial types among males and females of dg khanhypereuryprosopic face was rare in both genders. orthognathic profile was the dominant facialprofile in qazvin and dg khan while the least common profile in both locations was prognathicprofile. conclusion: based on the obtained results, facial index in both genders residing in qazvin wassignificantly greater than that those residing in other countries and this may be due to the longfacial height and narrow facial breadth in this area.