Retromandibular reduction of medially dislocated condylar process fractures

Archives of Plastic Surgery
Gyu Hyeong LeeSang Ah Oh

Abstract

Condylar process fractures account for one-third of all mandibular fractures, and the distal fragment is prone to dislocate to the medial side due to the pulling of the lateral pterygoid muscle. Retromandibular approaches are commonly used, but the intraoperative view becomes limited in medially dislocated fractures. This study summarized a series of cases of retromandibular reduction for medially dislocated condylar process fractures and described our supplementary procedure to realign the dislocated condylar process. Nine patients with medially dislocated condylar process fractures underwent surgical correction from January 2012 to December 2016. In 6 of them, it was possible to realign the fractures with a conventional retromandibular approach, but for 3 cases of severe dislocation to the middle cranial fossa, a supplementary transoral procedure was carried out. The angle difference between the ramus and condyle, ramus height, and maximal mouth opening (MMO) were evaluated. All 9 cases were restored to the proper anatomical alignment without any major complications, and postoperative images revealed successful union. The angle difference was 8.94°±4.11° preoperatively, and 0.99±0.49° at the 6-month follow-up. The pretreatmen...Continue Reading

References

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Aug 9, 2012·Archives of Plastic Surgery·Dong Hee Kang

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