Three-Dimensional Pharyngeal Airway Space Changes Following Isolated Mandibular Advancement Surgery in 120 Patients: A 1-Year Follow-up Study

Shujaat, Sohaib; Shaheen, Eman; Riaz, Marryam; Politis, Constantinus; Jacobs, Reinhilde

doi:10.3390/jimaging8040082

Cited by 7 publications

(3 citation statements)

References 32 publications

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“…This intervention leads to a significant, immediate increase in the total airway volume, and minimum constriction area. All these changes remained stable at a one-year follow-up [56]. Recently various digital methods were introduced for quantification of airway changes suitable for retrospective studies [57].…”

Section: Discussionmentioning

confidence: 95%

Change in the Constricted Airway in Patients after Clear Aligner Treatment: Retrospective Study

Fountoulaki¹,

Thurzo²

2022

Preprint

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This retrospective study evaluated changes in the pharyngeal portion of the upper airway in pa-tients with constricted and normal airway treated with clear aligners (Invisalign, Align). Additionally, the paper has assessed the change of tongue position in the oral cavity from lateral view. Evaluation was performed with specialized software (Invivo 6.0, Anatomage) on pre-treatment and posttreatment pairs of cone beam computed tomography imaging (CBCT) data. The level of airway constriction, volume, cross-section minimal area, and tongue profile were evaluated. Patients with malocclusion, with pair or initial and finishing CBCT and without sig-nificant weight change between the scans, treated with Invisalign clear aligners were distributed in two groups. Group A consisted of fifty-five patients with orthodontic malocclusion and con-stricted upper airway. Control group B consisted of thirty-one patients with orthodontic malocclusions without any airway constriction. In the group with airway constriction, there was a statistically significant increase in volume during therapy (p<0.001). The surface of the most con-stricted cross-section of airway did not change significantly after treatment in any of the groups. The airway constriction was most frequently localized at the level of 2nd cervical vertebra. The final tongue position was different from initial in 62.2% of all clear aligner treatments.

show abstract

Section: Discussionmentioning

confidence: 95%

Change in the Constricted Airway in Patients after Clear Aligner Treatment: Retrospective Study

Fountoulaki¹,

Thurzo²

2022

Preprint

View full text Add to dashboard Cite

show abstract

“…This intervention leads to a significant, immediate increase in total airway volume, and minimum constriction area. All these changes remained stable at a one-year follow-up [ 43 ]. Recently, various digital methods have been introduced for quantification of airway changes suitable for retrospective studies [ 44 ].…”

Section: Discussionmentioning

confidence: 99%

Change in the Constricted Airway in Patients after Clear Aligner Treatment: A Retrospective Study

Fountoulaki

Thurzo

2022

Diagnostics

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This retrospective study evaluated changes in the pharyngeal portion of the upper airway in patients with constricted and normal airways treated with clear aligners (Invisalign, Align). Additionally, we assessed the change of tongue position in the oral cavity from a lateral view. Evaluation was performed with specialized software (Invivo 6.0, Anatomage) on pretreatment and post-treatment pairs of cone beam computed tomography imaging (CBCT) data. The level of airway constriction, volume, cross-section minimal area and tongue profile were evaluated. Patients with malocclusion, with pair or initial and finishing CBCT and without significant weight change between the scans, treated with Invisalign clear aligners were distributed into two groups. Group A consisted of fifty-five patients with orthodontic malocclusion and constricted upper airway. Control group B consisted of thirty-one patients with orthodontic malocclusions without any airway constriction. In the group with airway constriction there was a statistically significant increase in volume during therapy (p < 0.001). The surface of the most constricted cross-section of the airway did not change significantly after treatment in any of the groups. The final tongue position was different from the initial position in 62.2% of all clear aligner treatments. The position of the smallest clearance of the airway in the pharynx was similar for both groups localized at the level of 2nd cervical vertebra.

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“…En sujetos de clase II esqueletal, el avance mandibular es uno de los procedimientos más habituales y se relaciona positivamente también con el movimiento de tejidos blandos de contorno facial (Bral et al, 2020); a pesar de observar leves disminuciones del volumen de la VA en el largo plazo, el avance mandibular aislado se relaciona significativamente con aumentos de la VA (Shujaat et al, 2022), manteniendo estable el aumento en mas de un año de seguimiento.…”

Section: Discussionunclassified

Cambios en la Vía Aérea Después de Cirugía Ortognática Bimaxilar

et al. 2022

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Three-Dimensional Pharyngeal Airway Space Changes Following Isolated Mandibular Advancement Surgery in 120 Patients: A 1-Year Follow-up Study

Cited by 7 publications

References 32 publications

Change in the Constricted Airway in Patients after Clear Aligner Treatment: Retrospective Study

Change in the Constricted Airway in Patients after Clear Aligner Treatment: Retrospective Study

Change in the Constricted Airway in Patients after Clear Aligner Treatment: A Retrospective Study

Cambios en la Vía Aérea Después de Cirugía Ortognática Bimaxilar

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