Transverse Skeletal Effects of Hyrax-Type Rapid Maxillary Expansion with or without Laser Biostimulation

Document Type : Original Article

Authors

1 Researcher Assistant, Orthodontics and Pediatric Dentistry Department, oral and dental research division, National Research Centre, Egypt

2 Professor and Head of Orthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Egypt.

3 Associate Professor, Orthodontics and Pediatric Dentistry Department, oral and dental research division, National Research Centre, Egypt.

4 Professor of Oral Medicine, Periodontology, Diagnosis and Oral Radiology, Faculty of Dental Medicine for Girls, Al- Azhar University and Dental Medicine Misr International University, Egypt.

5 Professor of laser applications in dentistry, National Institute of Laser Enhanced Sciences, Cairo University, Egypt.

Abstract

ABSTRACT
Purpose: The aim of this study is to assess the effect of Laser biostimulation on the transverse changes of maxilla and mandible after rapid maxillary expansion in growing patients. Subject and Methods: Twenty growing patients with posterior teeth in crossbite were included in this study. Patients were randomly divided into two groups. Rapid maxillary expansion had been carried out for all patients. In laser group Laser was applies on mid palatal suture during active expansion and during retention. The control group had no laser with their expansion procedures. Pre-treatment and post-treatment Cone beam computed tomographies were used to compare the changes in skeletal maxillary and mandibular widths. Results: The two groups showed insignificant increase in both interjugale distance and bigonial distance. No significant difference was found between the laser group and the control group regarding the amount of change of both bigonial and inter widths. P ≤ 0.05. Conclusions: In both Laser and non-Laser groups, Rapid maxillary expansion in growing patients with crossbite produces insignificant increase in maxillary transverse inter jugale and bigonial widths. Laser application during maxillary expansion has statistically insignificant effect on changes in maxillary interjugale width and mandibular bigonial width.

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Al-Azhar Dental Journal for Girls
Volume 10, Issue 2
Issue2 April- Pediatric dentistry & orthodontics issue (Pediatric Dentistry, Orthodontics)
April 2023
Pages 527-532

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