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The effect of natural growth on chin point deviation in patients with unilateral craniofacial microsomia: A

Ruben W Renkema1, Irene van Beelen1, Maarten J Koudstaal1

  • 1The Dutch Craniofacial Center, Department of Oral and Maxillofacial Surgery, Erasmus University Medical Center, Sophia's Children's Hospital Rotterdam, the Netherlands.

Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
|July 25, 2022
PubMed

Insights

Craniofacial microsomia (CFM) in children appears to be a non-progressive disorder. Chin point deviation, a key indicator of mandibular asymmetry, did not significantly change with age in patients with unilateral CFM.

Area of Science:

  • Craniofacial Surgery
  • Pediatric Plastic Surgery
  • Orthodontics

Background:

  • Unilateral craniofacial microsomia (CFM) is a congenital condition characterized by asymmetric facial development.
  • Mandibular asymmetry, specifically chin point deviation, is a common feature of CFM.
  • Understanding the progressive nature of CFM is crucial for treatment planning.

Purpose of the Study:

  • To investigate the potential progressiveness of mandibular asymmetry in pediatric patients with unilateral craniofacial microsomia (CFM).
  • To identify factors influencing chin point deviation over time in these patients.

Main Methods:

  • Retrospective analysis of 110 pediatric patients with unilateral CFM.
  • Measurement of chin point deviation from clinical photographs.
  • Statistical analysis using Jonckheere-Terpstra test and linear mixed models to assess changes with growth and correlation with Pruzansky-Kaban and soft tissue scores.

Main Results:

  • No statistically significant changes in chin point deviation were observed during natural growth (p = 0.74).
  • A significant correlation was found between chin point deviation and both the Pruzansky-Kaban score (p ≤ 0.001) and soft tissue score (p ≤ 0.001).

Conclusions:

  • The findings suggest that unilateral craniofacial microsomia (CFM) may be a non-progressive condition.
  • Chin point deviation in CFM patients does not appear to worsen with age, although severity correlates with specific clinical scoring systems.

Keywords:
Chin point deviationCraniofacial microsomiaGoldenhar syndromeGrowthHemifacial microsomiaOculo-auriculo-vertebral syndrome

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