A longitudinal study of the development of the posterior nasopharyngeal wall between 3 and 16 years of age

Linder-Aronson, Sten; Leighton, B. C.

doi:10.1093/ejo/5.1.47

Cited by 138 publications

(89 citation statements)

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“…2,5,25 This point might be related to the physiological growth pattern of the lymphoid tissue. 26 Based on the knowledge that the mean size of the adenoids continues to increase until puberty with a gradual decline afterwards, 27 the adenoid tissue was approximately at its growth peak at the ages of the treated subjects in this study. Therefore, the existence of a direct favorable effect of RH treatment on the nasopharyngeal airway dimensions could not be concluded, and the size of adenoids, which are age-dependent, should be considered when evaluating the results.…”

Section: Discussionmentioning

confidence: 92%

Effects of reverse headgear on pharyngeal airway in patients with different vertical craniofacial features

et al. 2015

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The aim of this study was to investigate the effects of reverse headgear (RH) on pharyngeal airway morphology in two groups of Class III patients with different vertical craniofacial features in comparison with an untreated Class III group. Seventeen subjects (9 males, 8 females; mean age 11.3 ± 0.98 years) with optimum vertical growth and 17 subjects (10 males, 7 females, mean age 11.5 ± 1.1 years) with a vertical growth pattern treated with a removable intra-oral appliance and a Delaire type facemask were included. An untreated Class III control group of 11 subjects (8 males, 3 females, mean age 9.1 ± 1.1 years) was included to compare the treated groups. The paired t-test for intragroup and one-way ANOVA for intergroup comparisons were performed. The relationships between changes in the craniofacial morphology and airway were assessed by Spearman correlation analysis. The airway dimensions at the adenoid side and soft palate were increased in the treatment groups compared to the control group (p < 0.05). The nasopharyngeal area demonstrated a significant difference in normodivergent and control subjects (p < 0.05). No significant difference was found in the airway morphology due to different vertical features. The effect of RH treatment on the sagittal airway dimensions revealed no significant difference between different vertical craniofacial features in the short term.

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Section: Discussionmentioning

confidence: 92%

Effects of reverse headgear on pharyngeal airway in patients with different vertical craniofacial features

et al. 2015

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“…[4][5][6][7][8][9][10][11][12][13] Some studies investigated the effects of growth and development on airway passage dimensions. [32][33][34][35][36] Other studies investigated the pharyngeal size in the subjects having different ANB angles and rotational patterns. 15,37 Taylor et al 34 carried out a longitudinal study on 16 male and 16 female subjects to describe the pattern of bony and soft tissue growth of the oropharynx.…”

Section: Discussionmentioning

confidence: 99%

Maxillary Protraction Appliance Effect on the Size of the Upper Airway Passage

Oktay

Ulukaya

2008

The Angle Orthodontist

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Objective: To test the hypothesis that maxillary protraction appliances (MPA) have no effect on the size of the upper airway passage and craniofacial structures in adolescent patients. Materials and Methods: Twenty patients (5 male and 15 female; mean age 11.5 years) with skeletal Class III malocclusion were included in this study. The records of all patients who had maxillary protraction treatment and had lateral head radiographs taken before and after their protraction treatments were obtained from the files of treated cases. Treatment changes were determined by means of linear, angular, and area measurements. Data were analyzed statistically by means of paired t-test and correlation analysis. Results: Significant increases were observed in the width and area of the pharyngeal airway. Significant increases also occurred in the sagittal growth of the maxilla, while a clockwise rotation and inhibition of sagittal growth were observed in the mandible. Conclusions: The hypothesis was rejected. The size of the upper airway can be increased by means of MPA application.

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“…Given this, a 3D study of the upper airway would be necessary to understand its adaptations to altered conditions (Linder-Aronson & Leighton, 1983;Aboudara et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Two-dimensional and Three-dimensional Assessment of the Upper Airway

2017

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VILAZA, I.; ARAYA-DÍAZ, P. & PALOMINO, H. M. Two-dimensional and three-dimensional assessment of the upper airway. Int. J. Morphol., 35(1):357-362, 2017. SUMMARY:The aim of this study was to validate and correlate the two-dimensional (2D) with the three-dimensional (3D) measures of the upper airway assessment. Lateral cephalograms and cone beam CT of 100 adult subjects were used to perform a 2D and 3D assessment of the upper airway. Spearman correlation coefficient was used to determine whether there was correlation between variables. Additionally, specificity, sensitivity, negative predictive value and positive predictive value was calculated for the 2D assessment of the upper airway. Correlation between all two and three dimensional variables was found. In the nasopharynx and oropharynx, a weak correlation (r <0.51) was found; in the oropharynx a moderate one (0.50

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A longitudinal study of the development of the posterior nasopharyngeal wall between 3 and 16 years of age

Cited by 138 publications

References 0 publications

Effects of reverse headgear on pharyngeal airway in patients with different vertical craniofacial features

Effects of reverse headgear on pharyngeal airway in patients with different vertical craniofacial features

Maxillary Protraction Appliance Effect on the Size of the Upper Airway Passage

Two-dimensional and Three-dimensional Assessment of the Upper Airway

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