Does cone beam CT change the treatment decision for maxillary second and third molars? A prospective study.

Dentomaxillofac Radiol

Section for Oral Radiology, Department of Dentistry and Oral Health, Aarhus University, Aarhus, Denmark.

Published: October 2023


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Article Abstract

Objectives: To evaluate whether information from CBCT changes the treatment plan for maxillary second and third molars and to examine clinical and radiographic parameters with an impact on treatment decision.

Methods: This prospective study included 260 maxillary third molars with superimposition onto the second molar in panoramic images (170 patients; mean age 28 years, range 16-63). An initial treatment plan was based on clinical findings and panoramic images. After CBCT, a final treatment plan was decided. Treatment was undertaken based on the final treatment plan. Through logistic regression analyses, impact of clinical and radiographic parameters on change in treatment plan, removal of the third molar no treatment, and removal of the second third molar were evaluated.

Results: The treatment plan changed in 82 cases (32%). Sixteen cases (6%) changed from removal of the third molar to removal of the second molar. Regression analyses showed that severe resorption in the second molar was significantly related to a change in treatment plan. Removal of a third molar was decided in 180 cases and regression analyses identified that mesioangulation of the third molar, marginal bone loss, superficial resorption, and age were significantly related to removal of the third molar no treatment. Thirty second molars were removed, and regression analyses showed that severe resorption was significantly related to removal of the second molar instead of the third molar.

Conclusions: Parameters such as resorption evaluated in CBCT can modify the treatment decision, resulting in removal of the second and/or the third molar.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10552123PMC
http://dx.doi.org/10.1259/dmfr.20230128DOI Listing

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