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Related Experiment Videos

Costochondral grafts replacing the mandibular condyle.

R B Ross1

  • 1Craniofacial Centre, The Hospital for Sick Children, Toronto, ON, Canada. bruce.ross@sickkids.on.ca

The Cleft Palate-Craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association
|July 30, 1999
PubMed
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Costochondral bone grafts are successful for reconstructing temporomandibular joints (TMJ) in children. Early surgery improves outcomes and facial symmetry, especially for hemifacial microsomia.

Area of Science:

  • Craniofacial surgery
  • Pediatric reconstructive surgery
  • Temporomandibular joint (TMJ) reconstruction

Background:

  • Congenital or acquired absence/dysfunction of the temporomandibular joint (TMJ) significantly impacts facial development and function.
  • Severe facial deformities, such as hemifacial microsomia, require early intervention to mitigate psychosocial and functional deficits.

Purpose of the Study:

  • To evaluate the success rate of costochondral bone grafts in replacing absent or nonfunctioning temporomandibular joints (TMJ).
  • To assess the growth and symmetry of costochondral grafts in pediatric patients.

Main Methods:

  • Retrospective analysis of patients treated at The Hospital for Sick Children's Craniofacial Centre (1974-1986).
  • Inclusion of 55 patients with adequate follow-up, focusing on 13 growing children.

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Main Results:

  • Higher success rates were observed with earlier surgical intervention.
  • Previous surgeries or existing pathology were associated with poorer outcomes.
  • Graft growth varied, but satisfactory facial symmetry was generally achieved, with some cases of overgrowth.

Conclusions:

  • Early TMJ reconstruction (ages 4-5) using costochondral grafts can improve psychosocial well-being and dentition development in children with severe facial deformities.
  • Costochondral grafting is considered the preferred method for severe hemifacial microsomia in pediatric patients.