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Serious Condylar Head Absorption in Children With Intracapsular Condylar Fractures Treated Operatively With Long
Jun-Yi Xu1, Hai-Hua Zhou1,2, Kun Lv1,2
1The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology.
Pediatric intracapsular condylar fractures treated with long screws can lead to significant condylar head resorption. Conservative management is preferred, but fixation may be considered if fracture fragments significantly drop in height.
Area of Science:
- Pediatric Orthopedics
- Oral and Maxillofacial Surgery
- Biomedical Engineering
Background:
- Intracapsular condylar fractures are common in children.
- Surgical fixation methods for pediatric condylar fractures are debated.
- Understanding bone remodeling post-fixation is crucial for treatment outcomes.
Purpose of the Study:
- To investigate bone remodeling in pediatric intracapsular condylar fractures.
- To analyze outcomes following fixation with long screws.
- To elucidate the mechanism of condylar head resorption.
Main Methods:
- Retrospective review of pediatric patients (<12 years) with intracapsular condylar fractures treated with long screws (May 2012 - Jan 2015).
- Data collected included demographics, trauma details, fracture characteristics, treatment, and follow-up duration.
- Radiographic analysis (CT scans) assessed bone changes over time.
Main Results:
- Eight patients completed follow-up.
- Five patients followed for >3 months exhibited significant condylar head resorption.
- Resorption resulted in the condylar head aligning with the screw surface, occurring between 106-171 days post-surgery.
Conclusions:
- Conservative management is recommended for pediatric intracapsular condylar fractures.
- Open reduction and rigid internal fixation with long screws may lead to condylar head resorption.
- Fixation is a potential option if fracture fragments significantly decrease in height.
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