The shape of dental arch in Ulaanbaatar city populations

Abstract

Purpose: The aim of our study was to evaluate dental arch shape in Ulaanbaatar city population. Material and methods: The collected data and materials were processed using retrospective study model. 300 participants were selected based on the criteria of study, orthodontist assessed subjectively maxillary, mandible arch shapes. Results: All study participant’s maxillary arch shape was 4.6% square, 50% parabolic, 32.3% round, 10.3% V shape, 2.8% trapezoid. Mandible arch shape was 5.6% square, 37.6% parabolic, 42,6% round, 11.6% V shape, 2.6% нь trapezoid. Conclusion: Majority of people had parabolic shaped maxillary, round shaped mandible.