Evaluation of upper airways depth among patients with skeletal Class I and III

Dobrowolska-Zarzycka, Magdalena; Dunin-Wilczyńska, Izabella; Mitura, Iwona; Dąbała, M.

doi:10.5603/fm.2013.0026

Cited by 5 publications

(6 citation statements)

References 20 publications

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“…For instance, in one study, the pharyngeal depth was found to be greater in patients with skeletal class III malocclusion than in patients with skeletal class I malocclusion. 14 A study comparing the accuracy of linear measurements taken using lateral cephalograms obtained from CBCT scans with measurements taken using digital conventional lateral cephalometric radiography showed a statistically significant difference from the actual distance in lateral cephalometry for most linear measurements. In contrast, none of the landmarks on CBCT displayed a significant difference from the actual value.…”

Section: Discussionmentioning

confidence: 99%

“…Many studies have used lateral cephalograms to assess the correlations between airway dimensions and various skeletal patterns. [13][14][15][16][17] Reconstructed lateral cephalograms obtained from CBCT images were used in the present study. The reconstruction process, which is classified as a direct volume rendering technique, involves creating an image slice that represents a specific volume of the patient.…”

Section: Discussionmentioning

confidence: 99%

“…12 Most previous studies have used lateral cephalograms to assess correlations between airway dimensions and the hyoid bone or skeletal patterns. [13][14][15][16][17] Although lateral cephalograms can provide valuable information, they have limitations inherent to the 2-dimensional (2D) visualization of 3-dimensional (3D) structures. Cone-beam computed tomography (CBCT) is a 3D imaging modality that provides high-quality images in the axial, coronal, and sagittal planes.…”

Section: Introductionmentioning

confidence: 99%

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Position of the hyoid bone and its correlation with airway dimensions in different classes of skeletal malocclusion using cone-beam computed tomography

et al. 2020

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Purpose: This study investigated the position of the hyoid bone and its relationship with airway dimensions in different skeletal malocclusion classes using cone-beam computed tomography (CBCT). Materials and Methods: CBCT scans of 180 participants were categorized based on the A point-nasion-B point angle into class I, class II, and class III malocclusions. Eight linear and 2 angular hyoid parameters (H-C3, H-EB, H-PNS, H-Me, H-X, H-Y, H-[C3-Me], C3-Me, H-S-Ba, and H-N-S) were measured. A 3-dimensional airway model was designed to measure the minimum cross-sectional area, volume, and total and upper airway length. The mean crosssectional area, morphology, and location of the airway were also evaluated. Data were analyzed using analysis of variance and the Pearson correlation test, with P values <0.05 indicating statistical significance. Results: The mean airway volume differed significantly among the malocclusion classes (P<0.05). The smallest and largest volumes were noted in class II (2107.8±844.7 mm 3 ) and class III (2826.6±2505.3 mm 3 ), respectively. The means of most hyoid parameters (C3-Me, C3-H, H-Eb, H-Me, H-S-Ba, H-N-S, and H-PNS) differed significantly among the malocclusion classes. In all classes, H-Eb was correlated with the minimum cross-sectional area and airway morphology, and H-PNS was correlated with total airway length. A significant correlation was also noted between H-Y and total airway length in class II and III malocclusions and between H-Y and upper airway length in class I malocclusions. Conclusion:The position of the hyoid bone was associated with airway dimensions and should be considered during orthognathic surgery due to the risk of airway obstruction.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Position of the hyoid bone and its correlation with airway dimensions in different classes of skeletal malocclusion using cone-beam computed tomography

et al. 2020

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“…Mandibular growth can also be safely and correctly assessed on lateral cephalometric radiographs [18]. They can even be used for an evaluation of the upper airways [19]. However, when vertebral anomalies are suspected, such as osseous torticollis, examinations such as 3D-CT may be required [20].…”

Section: Discussionmentioning

confidence: 99%

Chronological Age in Different Bone Development Stages: A Retrospective Comparative Study

et al. 2021

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The assessment of an individual’s development by investigating the skeletal maturity is of much use in various medical fields. Skeletal maturity can be estimated by evaluating the morphology of the cervical vertebrae. The aim of this study was to conduct comparisons of the chronological age in different bone development stages. The retrospective study was conducted based on lateral cephalometric radiographs belonging to patients with ages between 6 and 15.9 years, from Romania. For the assessment of skeletal maturity, the Cervical Vertebral Maturation (CVM) method was used. In total, 356 radiographs were selected, but after applying the exclusion criteria, 252 radiographs remained in the study (178 girls and 74 boys). Different mean chronological age values were obtained for the general sample, as well as for the two genders. The chronological age started to be significantly different at the CS4 stage. Patients with CS4, CS5, and CS6 stages had a significantly higher chronological age compared to patients with CS1, CS2, and CS3 stages. It was noted that patients with CS1 and CS2 stages were more frequently boys, while patients with the CS5 stage were more frequently girls.

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“…Mandibular setback surgery decreases the airway measurements. [22][23][24] However, patients with prognathic mandible tend to have a larger upper pharyngeal airway, 25,26 and mandibular setback surgery may not degrade the upper airway patency, 24,27,28 resulting in a very low incidence of obstructive sleep apnea (OSA) after mandibular setback surgery. 28 In the present case, pretreatment oropharyngeal volume and minimal crosssectional area were larger than average for non-OSA subjects, 29,30 and the values decreased at 5-day postsurgery (Fig 11).…”

Section: Discussionmentioning

confidence: 99%

A surgery-first approach using single-jaw rotational mandibular setback in low-angle mandibular prognathism

Kim

Lim

Jeong

et al. 2021

American Journal of Orthodontics and Dentofacial Orthopedics

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Evaluation of upper airways depth among patients with skeletal Class I and III

Cited by 5 publications

References 20 publications

Position of the hyoid bone and its correlation with airway dimensions in different classes of skeletal malocclusion using cone-beam computed tomography

Position of the hyoid bone and its correlation with airway dimensions in different classes of skeletal malocclusion using cone-beam computed tomography

Chronological Age in Different Bone Development Stages: A Retrospective Comparative Study

A surgery-first approach using single-jaw rotational mandibular setback in low-angle mandibular prognathism

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