Accuracy in orthognathic surgery─comparison of preoperative plan and postoperative outcome using computer-assisted two-dimensional cephalometry by the Onyx Ceph system.

Purpose: This retrospective study analyzes deviations between preoperative planning and postoperative outcome in orthognathic surgery using 2D Onyx Ceph-cephalometric analyzing and planning system.

Materials And Methods: A total of 100 patients with a mean age 25.1 of years were included in this study.

Long-term outcome and subjective quality of life after surgical treatment of lower lip cancer.

Objectives: Squamous cell carcinoma of the lower lip represents a common type of cancer with a favourable prognosis. Different types of defect reconstruction after ablative surgery are described for maintenance of patients' quality of life.

Materials And Methods: The study retrospectively evaluates the outcome of 105 patients treated for lower lip cancer.