Abstract
Stability of the temporomandibular joint (TMJ) structure is a critical requirement for treatment that includes orthognathic surgery. If the condyles are not positioned properly in the articular fossae during the manual positioning of the condyle or the intermaxillary fixation, postoperative relapse can result. However, it is difficult for the orthognathic surgeon to control the positioning of the mandibular condyles during orthognathic surgery due to muscle relaxation and the harsh intraoperative environment. Well-managed presurgical orthodontic treatment does not always guarantee the proper positioning of the proximal segment either, especially if the TMJ structures are not stable in their functional area. Therefore, the mandible should be stabilized with a presurgical stabilization splint to provide proper stimulation that forms a pseudodisc in the TMJ structures before surgical procedures.
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