Volume 16, Number 4, December 2004

Clinical and Radiological Outcomes of Condylar Fractures in Children

Kazuhiko Yamamoto, Tsutomu Sugiura, Kazuhiro Murakami, Masaki Fujimoto, Kazuhiko Ohgi, Yuichirou Imai, Shigeru Tatebayashi, Tadaaki Kirita

Department of Oral and Maxillofacial Surgery, Nara Medical University, Kashihara, Nara, Japan

Objective: To investigate the clinical and radiological outcomes of 36 patients aged 15 years or younger with condylar fractures.
Patients and Methods: Twenty five boys and 11 girls were included in this retrospective study. Treatment for condylar fractures was observation with or without restriction of mouth opening, maxillomandibular fixation, and open reduction. Other mandibular fractures were treated by maxillomandibular fixation or open reduction. Clinical characteristics, including age, sex, cause of injury, location and type of condylar fracture, the presence of associated mandibular fractures, treatment methods, mandibular function, and radiological remodelling of affected condyles after treatment, were reviewed.
Results: Clinically, excellent and good mandibular function was observed in 35 patients. Only 1 patient treated surgically was considered to have poor mandibular function due to temporomandibular joint ankylosis. Complete and partial remodelling of the affected condyles was obtained in 13 and 29 condyles, respectively. Complete remodelling was observed only with conservative treatment, with none of the surgically treated condyles showing complete remodelling despite reduction and fixation being perfectly performed. Poor remodelling was observed only in 1 patient, resulting in temporomandibular joint ankylosis.
Conclusion: Conservative treatment should be the first choice for condylar fractures in children since clinically excellent mandibular function was achieved for most patients.

Key words:
Bone remodeling, Fractures, Mandible, Mandibular condyle

Asian J Oral Maxillofac Surg. 2004;16:234-241.

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