A cone beam CT evaluation of oropharyngeal airway space and its relationship to mandibular position and dentocraniofacial morphology

Abdelkarim, Ahmad

doi:10.1016/j.ejwf.2012.06.001

Cited by 23 publications

(23 citation statements)

References 19 publications

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“…[10][11][12][13][14][15][16][17] In recent years, replacing conventional diagnostic methods with other more technologically advanced methods has become common in the medical and dental areas. 18,19 The use of digital setups seems to have the potential to reinforce this trend, which could mean further development in the process of storing information required for orthodontic diagnosis. In this study, the program used to perform the digital setup provided poor visualization of the gum line.…”

Section: Discussionmentioning

confidence: 99%

Reliability of digital orthodontic setups

Barreto

Faber

Vogel

et al. 2015

The Angle Orthodontist

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Objective: To evaluate the reliability of digital orthodontic setup technology by comparing it with manual setups and models cast at the end of orthodontic treatment. Materials and Methods: Initial models, manual setups, and final models of 20 patients were used. The initial and final models, as well as the manual setups, were scanned using a 3Shape R-700 scanner, while the digital setups were fabricated based on the initial models using 3Shape OrthoAnalyzer software. Evaluation of the models based on the manual setup, digital setup, and final models of each patient was performed using the following linear measurements: intercanine widths, intermolar widths, and length of the upper and lower dental arches. Results:The results disclosed that none of the measures assessed through the manual setup, digital setup, and final models showed statistically significant differences (P . .05). Conclusions: Based on these findings, it can be inferred that digital setups are as effective and accurate as manual setups and constitute a tool for diagnosing and treatment planning that can be reliably reproduced in orthodontic treatments. (Angle Orthod. 2016;86:255-259.)

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Section: Discussionmentioning

confidence: 99%

Reliability of digital orthodontic setups

Barreto

Faber

Vogel

et al. 2015

The Angle Orthodontist

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“…Narrowing of the upper airway has been increasingly recognized as a physiological characteristic in growing patients of Class II division 1 malocclusion with mandibular retrusion [8,9]. The retruded mandible induces a retrodisplacement of the tongue and hyoid bone that may lead to a concomitant reduction in the upper airway volume [10,11].…”

Section: Introductionmentioning

confidence: 99%

Three-dimensional effects of twin block therapy on pharyngeal airway parameters in Class II malocclusion patients

Elfeky

Fayed

2015

Journal of the World Federation of Orthodontists

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“…5 Previous studies have demonstrated the association between mandibular position in relation to the cranial base and oropharyngeal airway (OA) volume. 6,7 Specifically, mandibular retrognathia has been associated with a decreased OA volume, which may be due to posterior positioning of the tongue or a posterior position of the hyoid bone. 8,9 It has been postulated that advancement of the mandible using anterior posturing appliances immediately enlarges the airway.…”

Section: Introductionmentioning

confidence: 99%

Changes in the oropharyngeal airway of Class II patients treated with the mandibular anterior repositioning appliance

Rizk¹,

Kulbersh

Al-Qawasmi

2015

The Angle Orthodontist

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Objective: To evaluate the effects of functional appliance treatment on the oropharyngeal airway volume, airway dimensions, and anteroposterior hyoid bone position of growing Class II patients. Materials and Methods: Twenty Class II white patients (mean age, 11.7 6 1.75 years) treated with the MARA followed by fixed appliances were matched to an untreated control sample by cervical vertebrae maturation stage at pretreatment (T1) and posttreatment (T2) time points. Cone beam computed tomography scans were taken at T1 and T2. Dolphin3D imaging software was used to determine oropharyngeal airway volume, dimensions, and anteroposterior hyoid bone position. Results: Multivariate ANOVA was used to evaluate changes between T1 and T2. Oropharyngeal airway volume, airway dimensions, and A-P position of the hyoid bone increased significantly with functional appliance treatment. SNA and ANB decreased significantly in the experimental group (P # .05). Changes in SNB and Sn-GoGn failed to reach statistical significance. Conclusions: Functional appliance therapy increases oropharyngeal airway volume, airway dimensions, and anteroposterior hyoid bone position in growing patients. (Angle Orthod. 2016;86:955-961.)

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A cone beam CT evaluation of oropharyngeal airway space and its relationship to mandibular position and dentocraniofacial morphology

Cited by 23 publications

References 19 publications

Reliability of digital orthodontic setups

Reliability of digital orthodontic setups

Three-dimensional effects of twin block therapy on pharyngeal airway parameters in Class II malocclusion patients

Changes in the oropharyngeal airway of Class II patients treated with the mandibular anterior repositioning appliance

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