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Comparison of upper airway volume and hyoid position after camouflage orthodontic or orthodontic-orthognathic treatment in patients with skeletal class Ⅲ malocclusion with normal-angle vertical pattern.
Hua Xi Kou Qiang Yi Xue Za Zhi
February 2025
Stomatological College of Nanjing Medical University, Nanjing 210029, China.
Objectives: This study aims to compare the effects of two orthodontic treatment modalities for skeletal class Ⅲ malocclusion on specific changes in airway volume, morphology, palatal angle, mandibular rotation, and bone displacement. Results provide scientific evidence for the selection of orthodontic treatment plans and reduce the risk of developing obstructive sleep apnea hypopnea syndrome (OSAHS).
Methods: Thirty-six patients diagnosed with skeletal class Ⅲ malocclusion at the Department of Orthodontics, the Affiliated Stomatological Hospital of Nanjing Medical University from September 2018 to December 2023 were divided into two groups: orthodontic-orthognathic treatment group (18 patients) and camouflage orthodontic treatment group (18 patients).
Does Ankyloglossia Surgery Promote Normal Facial Development? A Systematic Review.
J Clin Med
December 2024
The Department of Dentofacial Orthopaedics and Orthodontic, Wroclaw Medical University, 50-425 Wroclaw, Poland.
Ankyloglossia is a congenital, abnormally short, thickened, or tight lingual frenulum that restricts tongue mobility, which may impair the development of the lower face morphology, namely the occlusion and skeleton. The aim of this study was to evaluate whether and how the lingual frenotomy benefits the occlusion and lower face skeleton development. The authors, independently and in duplication, performed searches of PubMed, Cochrane Library, Medline, Web of Science, and Embase, introducing the following keywords: tongue tie, ankyloglossia, and short lingual frenum/frenulum, combined with malocclusion, lower face skeleton, and hyoid bone.
View Article and Find Full Text PDFAnatomic Changes of Patients With Obstructive Sleep Apnea Syndrome at Different Stages.
J Craniofac Surg
January 2025
Department of Radiology, Faculty of Medicine, Çukurova University, Adana, Turkey.
Aim: In this study, it was aimed to determine the changes in the anatomic structures of individuals with obstructive sleep apnea syndrome (OSAS) classified according to the apnea-hypopnea index (AHI).
Materials And Methods: Individuals were divided into groups as group 1 (AHI=0, n=20), group 2 (AHI ˂5, n=20), group 3 (AHI=5-15, n=20), group 4 (AHI=16-30, n=20), group 5 (AHI ˃30, n=20). The individuals left lateral cervical vertebra radiographs were taken.
Evaluation of hyoid bone position, shape, area, volume, and tongue volume.
Surg Radiol Anat
December 2024
Department of Radiology, Ministry of Health Ankara Etlik City Hospital, 06170, Ankara, Turkey.
Purpose: Our study aims to determine the position and types of the hyoid bone and to evaluate the morphometry of the hyoid bone and tongue according to sex.
Methods: Our study included cervical Computed Tomography (CT) images of 200 individuals (100 females, 100 males) between the ages of 18 and 84. Using the 3D Slicer software package, hyoid bone position, shape, area, volume and tongue volume measurements were made on these images.
A kinematically reasonable mechanism of tongue forward protrusion considering hyoid bone movements.
J Biomech
January 2025
Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyamacho, Toyonaka, Osaka 560-8531, Japan.
Article Synopsis
- The study investigates the relationship between hyoid bone (HB) movement and tongue kinematics, particularly during forward tongue protrusion, which is important for speech.
- While HB movement affects various functions like swallowing and breathing, it hasn't been thoroughly examined in tongue modeling, especially outside of swallowing studies.
- Ultrasound imaging showed that HB moved anterosuperiorly during tongue protrusion, and simulations indicated that this movement significantly enhances the anterior displacement of the tongue tip when compared to movements without HB involvement.
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