فهرست نشریات علمی دسترسی آزاد ایران

Aim: This study assessed the orthodontic treatment needs of Iranian and Arab university students using the Index of Orthodontic Treatment Need (IOTN). Methods: This cross-sectional study was conducted on 100 Arab and 100 Iranian patients presenting to Ajman University dental clinic in 2023. The subjects were selected by convenience sampling and were 19‒25 years of age. The dental health component (DHC) and esthetic component (AC) of the IOTN were used to assess their malocclusion and the need for orthodontic treatment. Data were analyzed using the chi-squared test at a significance level of 0.05. Results: According to the DHC, 60% of Arab and 64% of Iranian patients had malocclusion with moderate to extreme need for treatment. Of the Iranian population, 12% were Grade I (no need), 24% were Grade 2 (little or mild need), 28% were Grade 3 (moderate need), 20% were Grade 4 (severe need), and 16% were Grade 5 (extreme need). These values were 17%, 23%, 32%, 20%, and 8%, respectively, for the Arab population. According to the AC, 59% of Iranians and 56% of Arabs required little or no treatment, while 27% of Iranians and 31% of Arabs had moderate need, and 14% of Iranians and 13% of Arabs had severe need for treatment. The difference between the two populations was insignificant in the DHC (P=0.431) or AC (P=0.681) grading. Conclusion: The two groups with different ethnic backgrounds exhibited no significant difference regarding orthodontic treatment needs.