Occlusal alterations in unilateral coronal craniosynostosis
S Pelo1, T M Marianetti, L Cacucci
1Department of Maxillo-Facial Surgery, Complesso Integrato Columbus, Catholic University of Rome, Rome, Italy. sandro.pelo@rm.unicatt.it
International Journal of Oral and Maxillofacial Surgery
|April 7, 2011
Summary
Unilateral coronal craniosynostosis causes significant maxillomandibular skeletal alterations, including jaw asymmetry and deviated dental occlusion. These changes may stem from the anteriorized glenoid cavity position in affected patients.
Area of Science:
- Craniofacial Surgery
- Orthodontics
- Pediatric Neurosurgery
Background:
- Maxillomandibular skeletal alterations are understudied, particularly in unilateral coronal craniosynostosis.
- Understanding these changes is crucial for effective treatment planning.
Purpose of the Study:
- To investigate and quantify maxillomandibular skeletal and dental alterations in patients with unilateral coronal craniosynostosis.
- To identify specific patterns of asymmetry and their potential causes.
Main Methods:
- Cephalometric analysis of 21 patients with unilateral coronal craniosynostosis compared to controls.
- Evaluation of specific landmarks including skeletal angles, incisor positions, and craniofacial structures (Z, Mx, AG, UMT, LMT).
Main Results:
- Significant findings include Class II dentoskeletal occlusion, mandibular hyperdivergence, and lingualized superior incisors.
- Affected side showed transversal and vertical jaw contraction, with structures (Z, Mx, UMT) closer to the midline and others (AG, LMT) further.
- Laterodeviation of the mandibular interincisal line towards the contralateral side was observed.
Conclusions:
- Unilateral coronal craniosynostosis leads to distinct vertical and transversal jaw contractions and mandibular asymmetry.
- Anteriorization of the glenoid cavity in unilateral coronal craniosynostosis is a potential cause of the observed dentoskeletal asymmetry.
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