Journal
JOURNAL OF CRANIOFACIAL SURGERY
Volume 34, Issue 6, Pages E582-E584Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SCS.0000000000009418
Keywords
Adduction; children; fracture; mandibular; occlusal splint
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Accurate repositioning of the mandible was achieved in children with mandibular symphysis combined with bilateral condylar fractures using a 3D printed occlusal splint.
Background:The fracture of mandibular symphysis combined with bilateral condylar fractures often leads to changes in the width of the mandible, which significantly widens the face of the child. Therefore, it is necessary to reposition the mandible through accurate adduction.Methods:To ensure that the mandible can be accurately repositioned, a 3D printed occlusal splint was used. Bilateral maxillomandibular fixation screws were implanted. The 3D printed occlusal splint was located on the maxillary dentition and fixed to the maxillomandibular fixation screws with wire loops. The reference basis for adduction is to make the mandibular dentition located in the occlusal splint. The absorbable plate was contoured according to the restored model and fixed at the fracture site. The 3D printed occlusal splint was retained in the maxillary dentition for two months.Results and Discussion:Postoperative computed tomography showed that the mandible had been adducted according to the preoperative design. Two months of follow-up showed that the child's facial development, mouth opening type, occlusion, and range of motion were good. It is especially suitable for children with mandibular symphyseal fractures accompanied by bilateral condylar fractures.
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