introduction: cephalometry is an efficient tool for anthropometric studies. this study sought to assess 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 ethnic populations of dg khan aged between 18-55 years were randomly selected and evaluated. the sub...

The genus Belyta Jurine, 1807 (Hymenoptera: Diapriidae) is studied in northern Iran. specimens were collected using Malaise traps the Alborz, Golestan, Gilan, Mazandaran and Qazvin Provinces during 2010–2018. seven species of are recorded from Iran for first time, abrupta Thomson, 1858, B. bicolor 1807, depressa elongata rugosicollis Kieffer, 1909, sanguinolenta Nees, 1834 validicornis 1858. Di...

OBJECTIVE To describe the status of dental caries in a sample of Iranian adolescents aged 14 to 18 years in Qazvin, and to identify caries-related factors affecting this group. STUDY DESIGN Qazvin was divided into three zones according to socio-economic status. The sampling procedure used was a stratified cluster sampling technique; incorporating 3 stratified zones, for each of which a cluste...