Face types and sizes of dental arches in subjects with class I molar relationship

The aim of this research was to determine the prevalence of three different face types and average values for dental arch size among population of Republic of Srpska. With this research we wanted to determine whether there are any differences in the sagittal and transversal development of dental arches between males and females. The application of anthropometry in dentistry gives us better understanding and determination of morphological characteristics of the craniofacial system. Data obtained by measuring these parameters is very important in order to make an accurate orthodontic diagnosis. The sample consisted of 300 study subjects with I class dentoalveolar relationship. After determing the face type of each subject, arch parameters were measured on subjects' dental casts. Using facial indices 50.33% of 300 subjects were classified as leptoprosopic, 30.67% as mesoprosopic and 19% as euryprosopic. The average value for interpremolar width was 36.75 mm for maxillary dental arch and for mandibular dental arch was 35.93 mm. The average intermolar width of the maxillary dental arch was 46.53 mm and for mandibular dental arch was 46.52 mm. The average value for maxillary dental arch was 24,22 mm while the same parameter for mandibular dental arch was 19,32 mm. The comparison of average values for dental arch height and width in females and males showed significant differences between these parameters.