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The prevalence of root resorption in maxillary incisors adjacent to impacted canines and the influence of canine orthodontic traction on this resorption after treatment
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Navid Ranjbar   , Parisa Ranjbarian * , Majid Heydarpour , Hasan Maslahati |
| Department of Endodontics, Faculty of Dentistry, Isf.c, Islamic Azad University, Isfahan, Iran |
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Abstract: (10 Views) |
Background: Root resorption of maxillary incisors due to impacted canines is a relatively common occurrence. However, the diagnosis of this condition can vary depending on the imaging techniques used. The purpose of this study was to determine the prevalence of resorption in maxillary incisors adjacent to impacted canines and to evaluate the impact of orthodontic canine alignment on this resorption following treatment.
Materials and methods: This retrospective observational analytical study examined 31 impacted canines requiring traction treatment. The classification of canine impactions was based on the system proposed by Ericson and Kurol using cone-beam computed tomography (CBCT). The study analyzed root resorption in the central and lateral incisors adjacent to the impacted canines, as observed in the final panoramic after treatment. Data were analyzed in SPSS version 26, with binomial and Fisher's exact tests (α=0.05).
Results: 16.1% of the samples were male and 83.9% were female. 29% of impacted canines were located buccally and 71% palatally. The complexity of treatment of studied teeth was reported as low in 54.8% and high in 45.2% of cases. No significant difference was seen in pre-treatment root resorption between buccally and palatally positioned canines (p = 0.145). Similarly, post-treatment root resorption rates in maxillary central and lateral incisors were comparable between low and high-complexity canine impaction groups, with no statistically significant difference. (p = 0.573 and p = 0.412 respectively). Overall, the prevalence of root resorption was consistent across groups and conditions.
Conclusion: Impacted canines affect the root resorption of the adjacent teeth. The prevalence of root resorption in maxillary incisors near the impacted canines in both central and lateral maxilla was similar. However, after orthodontic traction of the impacted canine, the rate of root resorption of the maxillary central incisors was higher than the lateral incisors.
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Type of Study: Research |
Subject:
Oral Medicine
Received: 2025/09/14 | Accepted: 2025/09/11 | Published: 2025/09/11
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