I Gusti Aju Wahju Ardani and Ageng Wicaksono and Oyai Fredy Kromsian and Jusuf Sjamsudin (2021) The comparison of maxillary and mandibular dental arch size in male and femalePapuan in Surabaya: A cross-sectional study. Journal International Oral Health, 13 (1). pp. 1-6. ISSN 09767428

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Abstract

Aim: The aim of this study was to analyze the differences in the size of maxillary and mandibular dental arch between Papuan malesand females. Materials and Methods: An analytical cross-sectional study design was carried out in 12 Papuan males and 12Papuan females aged above 18–25 years in the Surabaya. Raberin method was used to measure the maxillary and mandibulardental arches width in the dental cast in transversal (L33, L66, L77) and sagittal direction (L31, L61, L71). The statistical analysiswas used to analyze the data normality by Kolmogorov–Smirnov test (P> 0.05). In addition, the independentt test was done todetermine the differences between groups (P< 0.01). Results: The average sizes of the maxillary dental arch width in thetransversal direction in Papuan males, respectively, L33, L66, and L77 were 35.86, 56.58, and 65.61 mm. The average sizes of themaxillary dental arch in the sagittal direction in men L31, L61, and L71 were 4.04, 35.60, and 46.41 mm. The average widths of themaxillary dental arch in a transversal direction in Papuan female L33, L66, and L77 were 32.45, 53.54, and 63 mm. The averagesizes of the maxillary dental arch in the sagittal direction in female L31, L61, and L71 were 3.55, 31.94, and 42.42 mm. There was asignificant difference between men and female maxillary dental arch in sagittal and transversal measurement (P< 0.01). Conclusion: Male Papuan has a bigger maxillary and mandibular dental arch width as compared to female Papuan. Evaluation ofPapuan dental arches may help the orthodontist to determine the diagnosis and treatment plan in this population.

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