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Quintessence International



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Quintessence Int 47 (2016), No. 10     20. Oct. 2016
Quintessence Int 47 (2016), No. 10  (20.10.2016)

Page 877-884, doi:10.3290/j.qi.a36889, PubMed:27669724

Invasive cervical resorption following orthodontic treatment: Two cases involving the same patient
Yoshpe, Margarita / Kaufman, Arieh / Lin, Shaul / Gabay, Eran / Einy, Shmuel
Invasive cervical resorption (ICR), a destructive form of external root resorption, is characterized by invasion of the fibrovascular tissue. This phenomenon is very rare and appears in 0.02% of the general population where the leading factors are orthodontics in addition to trauma, restorations, and bleaching. Heavy orthodontic force may increase the incidence to 1%. One of the main concerns regarding ICR is that it is often misdiagnosed with conventional diagnostic tools. In recent decades, a cone beam computed tomography (CBCT) imaging technique has become more common and can lead to a more accurate diagnosis and treatment plan. This case report describes a possible association between orthodontic treatment and ICR of a 14-year-old male, 18 months post orthodontic treatment. ICR in the mandibular right canine was diagnosed and verified by CBCT, and underwent combined endodontic-periodontal treatment. However, after orthodontic forced eruption was performed on this tooth to improve the bone defect, ICR was diagnosed on the mandibular right second premolar. The possible association between orthodontic treatment and ICR is discussed, as ICR was noted following orthodontic treatment on both occasions. This case report stresses the importance of ICR early detection by close attention to periodic radiographic checkups during orthodontic treatment. The use of modern diagnostic tools is highly recommended in suspicious cases.
Conclusion: A case is described in which the patient underwent two types of orthodontic treatment in the mandible at different time periods and developed ICR in two different teeth.

Keywords: cone beam computed tomography, invasive cervical resorption, orthodontic treatment