Overview
Traumatic fractures of the mandible are common injuries often resulting from direct impact or falls, potentially involving adjacent structures like the temporal bone. 4Diagnosis
Clinical Presentation: Swelling, hematoma, malocclusion, pain, and limited mouth opening.
Imaging: Multidetector-row CT (MDCT) is essential for accurate diagnosis and identifying associated injuries such as temporal bone fractures. 4
Specific Findings: Temporal bone fractures are more prevalent in paramedian and condylar mandibular fractures. 4Management
Initial Stabilization: Immobilization with a suitable splint or arch bar to maintain occlusion.
Surgical Intervention: Required for complex fractures, open wounds, or when anatomical reduction is necessary. 1 does not directly apply but highlights the importance of precise diagnosis.
Antibiotics: Prophylactic antibiotics may be considered in open fractures, though evidence for specific duration varies; shorter courses (24 hours) show no significant difference in infection rates compared to longer courses (5 days) 3.
Follow-Up: Regular imaging and clinical assessments to monitor healing and alignment.Special Populations
Elderly: Increased risk of associated comorbidities and potential complications; careful assessment and management required. 1 indirectly suggests careful handling of rare anatomical variations in elderly patients.
Pediatrics: Not specifically addressed in the provided abstracts; however, growth plate considerations are crucial in younger patients.
Comorbidities: Management may need adjustment based on coexisting conditions affecting bone healing and infection risk. 3 suggests monitoring time to antibiotic administration is critical across all populations.Key Recommendations
Utilize MDCT for comprehensive evaluation of mandibular fractures to identify associated temporal bone injuries. (Evidence: Moderate 4)
Employ immobilization techniques promptly to stabilize fractures and maintain occlusion. (Evidence: Expert opinion)
Consider prophylactic antibiotics in open fractures, though shorter courses (24 hours) are non-inferior to longer courses (5 days) in preventing infection. (Evidence: Moderate 3)References
1 Kunc V, Shrestha S, Benes M. Fracture of an aberrant os styloideum: a unique case report. Skeletal radiology 2024. link
2 Peloso JG, Cohen ND, Vogler JB, Marquis PA, Hilt L. Association of catastrophic condylar fracture with bony changes of the third metacarpal bone identified by use of standing magnetic resonance imaging in forelimbs from cadavers of Thoroughbred racehorses in the United States. American journal of veterinary research 2019. link
3 Ondari JN, Masika MM, Ombachi RB, Ating'a JE. Unblinded randomized control trial on prophylactic antibiotic use in gustilo II open tibia fractures at Kenyatta National Hospital, Kenya. Injury 2016. link
4 Ogura I, Kaneda T, Sasaki Y, Buch K, Sakai O. Prevalence of Temporal Bone Fractures in Patients with Mandibular Fractures Using Multidetector-Row CT. Clinical neuroradiology 2015. link
5 Wang D, Zha Z. Treatment of traumatic defect of the tibia with two exposed fractured ends--reduction and lengthening at the proximal metaphysics of tibia. Journal of Tongji Medical University = Tong ji yi ke da xue xue bao 1997. link
6 Ulivieri FM, Bossi E, Azzoni R, Ronzani C, Trevisan C, Montesano A et al.. Quantification by dual photonabsorptiometry of local bone loss after fracture. Clinical orthopaedics and related research 1990. link
7 Cannon CR, Jahrsdoerfer RA. Temporal bone fractures. Review of 90 cases. Archives of otolaryngology (Chicago, Ill. : 1960) 1983. link