Rotating Luxation Curved Root In An Effective/Minimally Invasive Way

Surgical removal of impacted tooth with an extremely curved root is technically challenging, and pre-operative assessment with cone-beam computed tomography (CBCT) is especially important. This study aimed to investigate the efficacy and safety of the novel formula-based surgical approach for removal of impacted teeth with extremely curved roots, which was designed based on the CBCT images. Patients with extremely curved root(s) were enrolled in this study. The patients were randomly taken into two groups according to the surgical strategy. The new method group: rotating luxation through naturally curved alveolus under a formulaic surgical design relying on CBCT. The traditional method group: sectioning the root, removing the bone, and widening the alveolus. The positions, diagnosis, dental medical history, and radiographic examination of teeth were recorded before the treatment. During the surgery, the fracture or displacement of the root, and the surgical duration were noted. 42 patients were enrolled in our study. The operation time was shorter in the new method group than in the traditional method group (13.2±3.9 min vs. 20.4±5.2min, P<0.001). The rate of unfavorable tooth fracture incidence was higher in the traditional method group than in the new method group (57.1% vs. 4.8%, P<0.001). The new method is effective in surgical removal of impacted teeth with extremely curved roots in a minimally invasive way.