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Survey on the mandibular impacted third molars teeth effects on caries and the prevalence of distal surface pathologies of second molars in panoramic radiography
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Ali Saleh Gholami   , Marziyeh Mohammadi Yasuj , Habibolah Rezaei1 |
| 1- , habibolahedc@gmail.com |
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Abstract: (37 Views) |
Background & aim: So far, limited studies have been conducted to investigate the effect of impacted mandibular third molars on caries and the prevalence of pathologies of the distal surface of adjacent second molars. These studies have yielded different results due to differences in the regions, ethnicities, economies, and cultures studied. The purpose of this study was to investigate the effect of impacted mandibular third molars on caries and the prevalence of pathologies of the distal surface of second molars in Yasuj city.
Methods: In this descriptive-analytical study, panoramic radiographs of individuals were divided into two groups. The first group included patients with impacted mandibular third molars, and the second group included patients with erupted mandibular third molars. The angle of impacted mandibular third molar and the prevalence of caries and distal surface pathologies (bone resorption, pericoronitis, root resorption, cyst) of the mandibular second molar were determined in both groups and data were analyzed using SPSS version 26 software and the chi-square statistical test.
Results: In this study, the highest incidence of Mesioangular impaction was 57.9%. There was a significant relationship between impaction angle and pericoronitis (p-value ≤/0001) and the effect size was high, but there was no significant relationship between impaction angle and other dental complications (bone resorption, root resorption, cyst).
Conclusion: There is a significant relationship between having an impacted tooth and pericoronitis, but there is no significant relationship with other dental complications, including cysts and caries. To prevent the development of pericoronitis, it is recommended to extract the impacted tooth, but the angle of the impacted tooth should be considered when deciding whether to extract it or not. |
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| Keywords: Impacted mandibular third molars, Mandibular second molars, Distal surface pathologies, Panoramic radiography |
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Type of Study: Research |
Subject:
Dentistry
Received: 2025/02/1 | Accepted: 2025/06/22 | Published: 2026/02/3
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