Six groups of 100 persons each, with total number of 593 individuals of both sexes from different regions of Western Mizia have been studied according to 14 basic odontological traits with racio-diagnostical and taxonomical significance. It was established that the investigated groups belong to the Western odontological stem according to the odontological traits. The inlergroup differences are statistically insignificant according to the majority of the studied traits and that's why the investigated groups are close one to another and belong to one and the same population.