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Journal of Stomatology Oral and Maxillofacial Surgery
Volume 119, n° 1
pages 8-15 (février 2018)
Doi : 10.1016/j.jormas.2017.10.007
Received : 7 Mars 2017 ;  accepted : 2 October 2017
Original Articles

Outcomes of functional treatment versus open reduction and internal fixation of condylar mandibular fracture with articular impact: A retrospective study of 83 adults
 

F.-L. Merlet a, , F. Grimaud a, R. Pace b, J.-M. Mercier a, M. Poisson a, A. Pare c, P. Corre a
a Service de chirurgie maxillo-faciale et stomatologie, CHU de Nantes, 1, place Alexis-Ricordeau, 44042 Nantes cedex 1, France 
b Inserm U791, Laboratory for Osteo-articular and dental Tissue Engineering: LIOAD, School of Dental Surgery, université de Nantes, 1, place Alexis-Ricordeau, 44042 Nantes cedex 1, France 
c Service de chirurgie maxillo-faciale, hôpital Trousseau, CHRU de Tours, rue de le République, 37170 Chambray-Les-Tours, France 

Corresponding author.
Abstract
Introduction

The treatment of fractures in the mandibular condylar process remains controversial. The aim of this study was to assess the outcomes of isolated functional treatment versus open reduction and internal fixation (ORIF) of mandibular condylar fracture with articular impact based on clinical and radiological criteria.

Materials and methods

Eighty-three patients with a mandibular condylar fracture with articular impact were included in this retrospective study. They were divided according to Loukota, Spiessl and Schroll, Mercier and Rasse, Neff, and Hlawitschka classifications. Two groups were created: operated patients (operated) and non-operated patients (non-operated). Occlusal and functional features were evaluated using clinical measurements at 1, 3, 6, and 12 months after the treatment as well as radiological measurements performed preoperatively, 6 weeks later, and at the end of the follow-up.

Results

A male predominance was observed in the data (69.9%, P <0.0001). Isolated functional treatment was applied in 55 patients (66.26%). Twenty-eight patients (33.7%) were operated upon using a pre-auricular or modified Risdon's approach. Maximal mouth opening (MMO) was lesser in “operated” group compared to “non-operated” group until 6 months (25.75mm vs 31.96mm, 34.76mm vs 37.95mm, 38.06mm vs 41.87mm respectively 1, 3 and, 6 months, P <0.05). Results were satisfactory 1 year after treatment (41.29mm vs 45.22mm, P >0.05). There was no difference concerning temporo-mandibular joint dysfunctions between operated and non-operated patients. For unilateral fractures, the loss of height of the ramus was significantly higher in operated patients initially compared to “non-operated” group (P =0.0137). After surgical correction, there was no difference between the two sides of mandible. At the end of the follow-up, the there was no difference between operated and non-operated ramus (P =0.1304 and 0.6420).

Conclusion

The present study showed that a properly followed isolated functional treatment provided similar clinical results to ORIF for mandibular condylar fractures with articular impact. Surgical treatment should be preferred when the loss of height of the ramus is severe to restore the ramus height since adult condylar remodeling is less efficient than in children.

The full text of this article is available in PDF format.

Keywords : Condylar process fracture, Functional treatment, ORIF




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