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July 2, 2026The Cleft Palate-Craniofacial Journal

Assessment of Dentoskeletal and Airway Changes Using Hyrax and Fan-Type Expanders in Cleft Patients: An In Vivo CBCT Study

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Authors

SHSingavarapu Hepsi HarithaKKK. R. Gopi KrishnaSYSri Harsha Yelchuru

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Overview

Prospective comparative clinical study evaluates airway and skeletal changes from maxillary expansion in cleft patients, indicating appliance choice importance.

Key Points

  • To compare the effects of Hyrax and fan-type expanders on dentoskeletal and airway changes in cleft lip and palate patients.
  • Twenty patients aged 9 to 15 years with repaired unilateral or bilateral cleft lip and palate were enrolled.
  • Patients received either Hyrax (n=10) or fan-type expanders (n=10) based on maxillary constriction pattern.
  • CBCT scans were obtained before (T0) and after a 3-month retention period (T1) to evaluate changes.
  • Both appliances achieved significant transverse expansion in CLP patients.
  • Fan-type expander resulted in greater anterior basal widening (exact metrics not provided).
  • Hyrax exhibited greater posterior expansion and an increase in nasal cavity width (exact metrics not provided).

Cite This Study

Haritha et al. (2026) studied this question.

synapsesocial.com/papers/6a4600a29ed1343031310c47https://doi.org/10.1177/10556656261446603
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effects of Rapid Maxillary Expansion on Upper Airway Parameters in Children With Unilateral Cleft Lip and Palate: A Cone-Beam Computed Tomography (CBCT) Study2026
  2. 2Skeletal and dentoalveolar effects of different hyrax maxillary expansion protocols compared with novel magnetic expansion: a CBCT-based study2026
  3. 3Stereophotogrammetry facial changes following hyrax-type and differential maxillary expanders: a randomized clinical trial2026
  4. 4Cephalometric changes with modified Fan and Three-way expanders in Bilateral cleft lip and palate patients: A Randomized clinical trial2025
  5. 5The three-dimensional influence and clinical significance of anterior traction with rapid expansion during dental replacement2025 · 1 citations