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Cellular Midpalatal Suture Changes after Rapid Maxillary Expansion in Growing Subjects: A Case Report
Alberto Caprioglio1, Rosamaria Fastuca2, Piero Antonio Zecca3
1Department of Surgical and Morphological Sciences, University of Insubria, 21100 Varese, Italy. alberto.caprioglio@uninsubria.it.
International Journal of Molecular Sciences
|March 14, 2017
Summary
This case report reveals early bone formation in the midpalatal suture after rapid maxillary expansion. Histologic analysis shows ongoing healing and bone regeneration within 30 days.
Area of Science:
- Orthodontics
- Histology
- Craniofacial development
Background:
- Rapid maxillary expansion (RME) is a common orthodontic treatment to widen the palate.
- Understanding the immediate histologic changes in the midpalatal suture post-RME is crucial for optimizing treatment outcomes.
- This study examines the early bone regeneration process in the midpalatal suture following RME in humans.
Observation:
- Histologic analysis of midpalatal suture biopsies was performed at 7 and 30 days after RME, with a control sample.
- The control showed inter-digitations at the palatal suture.
- Samples at 7 days revealed mature bone with marrow spaces and early collagen fiber arrangement; samples at 30 days showed increased newly-formed bone trabeculae with perpendicular orientation.
Findings:
- Early bone formation was evident in the midpalatal suture gap within 7 days of RME.
- Significant bone regeneration, characterized by newly formed trabeculae, was observed by 30 days post-RME.
- The fibrous component of the suture decreased, indicating active bone healing and remodeling.
Implications:
- The findings support the potential for bone regeneration in the midpalatal suture after rapid maxillary expansion.
- This histological evidence provides insights into the timing and nature of bone healing during orthodontic treatment.
- Further research can explore factors influencing the rate and quality of midpalatal suture regeneration.
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