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Submitted
10 April 2025
Accepted
8 December 2025
Published
30 January 2026
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Abstract

In this study, we determine to study the prevalence of malocclusion in Al-Qassim region, Saudi Arabia. Methods: This study was a retrospective observational study conducted on 229 casts of patients who visited Qassim university dental clinics in the period between 2018 and 2021. The casts were divided on the basis of gender and malocclusion. The following malocclusions were taken into Class I the normal occlusion, Class II, Class III, anterior cross bite, posterior cross bite, open bite, deep bite, increased overjet and dental anomalies such as hyperdontia, hypodontia, Diastema, Ectopic eruption, Transposition and Peg shaped teeth. All measurements were recorded using a Yaluo stainless steel electronic digital display caliper vernier. Data were analyzed using SPSS for windows version 23. Results: The majority of the patients were female 164 (71.6%) and male 65 (28.4%). Concerning their Occlusion type class, I was the most prevalent type with 183 (79.9%) and class II with 37 (16.2%) lastly was class III with only 9 (3.9%). Presence of Dental anomalies among the study group in relation to the occlusion type shows that Class I have the highest percentage of dental anomalies with 15.8% more than other occlusion types. Conclusion: According to the statistics, the majority of people in AL-Qassim have adequate occlusion, but the prevalence of dental anomalies may make treatment more challenging. As a result, the research of malocclusion frequency is highly valued and crucial for gathering data for a national database as well as for treatment planning.

Keywords

prevalence malocclusion retrospective observational study dental anomalies orthodontics

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Bilal, R. ., & Alruhaimi, R. (2026). Prevalence of malocclusion in permanent dentition in Qassim region, Saudi Arabia. Journal of Contemporary Dental Sciences, 3(1), 22–28. Retrieved from https://jcds.qu.edu.sa/index.php/JCDS/article/view/2384
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