Three-dimensional comparison between the effects of mandibular advancement device and maxillomandibular advancement surgery on upper airway

The efficacy of mandibular advancement devices (MAD) and maxillomandibular advancement (MMA) in improving upper airway (UA) patency has been described as being comparable to continuous positive airway pressure (CPAP) outcomes. However, no previous study has compared MAD and MMA treatment outcomes fo...

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Published in:BMC oral health 2023-06, Vol.23 (1), p.436-436, Article 436
Main Authors: Gurgel, Marcela, Cevidanes, Lucia, Costa, Fabio, Pereira, Rowdley, Cunali, Paulo, Bittencourt, Lia, Ruellas, Antonio, Gonçalves, Joao, Bianchi, Jonas, Chaves, Cauby
Format: Article
Language:English
Subjects:
Body Mass Index
Complications and side effects
Cone-Beam Computed Tomography
Cone-Beam Computed Tomography (CBCT)
Continuous positive airway pressure
Diagnosis
Health aspects
Humans
Mandible - diagnostic imaging
Mandible - surgery
Mandibular advancement device
Maxillomandibular advancement
Nose
Obstructive sleep apnea
Occlusal Splints
Sleep apnea syndromes
Three-dimensional assessment
Upper airway
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Summary:The efficacy of mandibular advancement devices (MAD) and maxillomandibular advancement (MMA) in improving upper airway (UA) patency has been described as being comparable to continuous positive airway pressure (CPAP) outcomes. However, no previous study has compared MAD and MMA treatment outcomes for the upper airway enlargement. This study aimed to evaluate three-dimensionally the UA changes and mandibular rotation in patients after MAD compared to MMA. The sample consisted of 17 patients with treated with MAD and 17 patients treated with MMA matched by weight, height, body mass index. Cone-beam computed tomography from before and after both treatments were used to measure total UA, superior/inferior oropharynx volume and surface area; and mandibular rotation. Both groups showed a significant increase in the superior oropharynx volume after the treatments (p = 0.003) and the MMA group showed greater increase (p = 0.010). No statistical difference was identified in the MAD group considering the inferior volume, while the MMA group showed a significantly gain (p = 0.010) and greater volume (p = 0.024). Both groups showed anterior mandibular displacement. However, the mandibular rotation were statistically different between the groups (p 
ISSN:1472-6831
1472-6831
DOI:10.1186/s12903-023-03125-5