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Article Type

Article

Abstract

Introduction
For the past decades, there has been a significant increase in head–maxillofacial traumas, and mandible fracture occupies the second most frequent incidence of facial bone fractures, with incidence of approximately 38%. They are mainly caused by road traffic accidents (RTA).
Aim
The aim was to study the effect of repairing the parasymphyseal mandibular fractures with rigid fixation alone vs usage of lingual splint with rigid fixation regarding occurring of mandibular flaring.
Patients and methods
A prospective randomized clinical study was carried out in Benha University Hospital, and it included 30 patients who had isolated parasymphyseal mandibular fractures. Patients were allocated into two groups: group A (15 patients underwent rigid fixation of parasymphyseal mandibular fracture) and group B (15 patients underwent rigid fixation of parasymphyseal
mandibular fracture with usage of lingual splint).
Results
This study showed that in group B the mean bigonial width and bicondylar breadth were lower than that in group A; these differences were statistically significant at 3 months after operation, but there were no significant difference between both groups in the preoperative time and just after operation. Regarding complications, there were no significant differences between the two groups regarding intraoperative and postoperative complications.
Conclusion
Adding lingual splint as adjuvant to rigid fixation will offer more stability and accuracy for reduction, and it will prevent occurrence of lingual splay of fracture fragments and mandibular angle flaring, with subsequent minimizing effect on temporomandibular joint.
Keywords:
fracture mandible, lingual splint, mandibular flaring, rigid fixation, temporomandibular disorders

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