Retention Strategies for Segmental Lefort I Osteotomies Using Clear Aligners.

Clear aligner therapy is becoming a mainstay of contemporary orthodontic treatment. As such wide-spread adoption and case-selection for surgical-orthodontic treatment in patients with Clear aligner therapy is increasing. Passive aligners generally lack adequate rigidity for retention of segmental movements in the immediate postoperative period.

Identification of specific clinical risk factors associated with the malignant transformation of oral epithelial dysplasia.

Background: Factors that increase the risk of malignant transformation of oral epithelial dysplasia (OED) are not completely elucidated.

Methods: A retrospective chart review was performed assessing risk factors for transformation of OED, and cancer staging for transformed cases at Sunnybrook Health Sciences Centre.

Results: Two-hundred four patients were diagnosed with OED, and 16.

Vascularized Free Tissue Transfer in a Patient with Hemophilia B: Case Report and Literature Review.

Hemophilia is a blood disorder characterized by impairment of the coagulation cascade leading to an increased bleeding risk (Kauffman, 2014). As such, surgical management of these patients can become difficult and well-defined surgical guidelines are not yet in place (Assoumane et al., 2017).