Craniosynostosis and Resynostosis: Models, Imaging, and Dental Implications

C D Hermann1, S L Hyzy2, R Olivares-Navarrete2

  • 1School of Medicine, Emory University, Atlanta, GA, USA.

Insights

Craniosynostosis, premature skull fusion in infants, can lead to complications. Surgical repair may require further intervention due to bone regrowth, known as resynostosis.

Area of Science:

  • Pediatric Surgery
  • Craniofacial Surgery
  • Developmental Biology

Background:

  • Craniosynostosis affects 1 in 2,000 children, resulting from premature fusion of cranial sutures.
  • Untreated craniosynostosis can cause increased intracranial pressure and cranial deformities.
  • While over 100 mutations cause syndromic craniosynostosis, most cases are nonsyndromic.

Purpose of the Study:

  • To review dental and maxillofacial implications of craniosynostosis.
  • To discuss clinically relevant animal models for craniosynostosis and resynostosis.
  • To provide information on imaging modalities for cranial defects.

Main Methods:

  • Literature review of craniosynostosis research.
  • Analysis of animal models for craniofacial development and repair.
  • Overview of imaging techniques in human and animal studies.

Main Results:

  • Complex cranial vault reconstruction is often required, carrying significant morbidity risks.
  • Resynostosis (bone regrowth) occurs in up to 40% of patients after initial surgery.
  • Resynostosis frequently necessitates additional surgeries with potential for severe complications.

Conclusions:

  • Craniosynostosis presents significant surgical challenges, including high rates of resynostosis.
  • Understanding animal models and imaging is crucial for advancing treatment strategies.
  • Further research into preventing resynostosis is critical for improving patient outcomes.