Mandibular advancement appliances for treating sleep apnoea/hypopnoea syndrome

Borrie, Felicity; Keightley, Alex; Blacker, S. M.; Serrant, P.

doi:10.1038/sj.ebd.6400921

Cited by 2 publications

(3 citation statements)

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“…The benefits of oral appliance therapy on upper airway dimension in OSA patients are well established [ 15 - 18 ]. Similar benefits are also produced by various functional appliances [ 7 - 14 ].…”

Section: Discussionmentioning

confidence: 99%

“…Similar appliances known as oral appliances are also frequently used in adults for the treatment of mild to moderate OSA [ 6 ]. Many previous studies reported improvement of PAP dimensions following functional appliance therapy in children [ 7 - 14 ] and oral appliance therapy in adults [ 15 - 18 ]. Although, there is one study [ 19 ] in the literature mentioning the effect of oral appliance therapy on posterior pharyngeal wall thickness (PPWT) but there is no information in the literature mentioning the effect of functional appliance therapy on PPWT.…”

Section: Introductionmentioning

confidence: 99%

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Effects of twin-block appliance on the anatomy of pharyngeal airway passage (PAP) in class II malocclusion subjects

et al. 2014

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BackgroundThe use of functional appliances for the correction of retrognathic mandible is very common in orthodontics. Similar appliances known as oral appliances are also frequently used in adults for the treatment of mild to moderate obstructive sleep apnea (OSA). Many studies have reported improvement of pharyngeal airway passage (PAP) dimensions following functional appliance therapy in children and oral appliance therapy in adults. There is only one study in the literature that discussed the effect of oral appliance therapy on posterior pharyngeal wall thickness (PPWT) among subjects with OSA. The effect of functional appliance therapy on PPWT has never been investigated. Thus the present study was conducted to evaluate the effects of twin-block appliance on pharyngeal airway passage (PAP) dimensions and posterior pharyngeal wall thickness (PPWT) in class II malocclusion subjects with retrognathic mandibles.MethodsThirty-eight class II malocclusion subjects in the age range of 8 to 14 years with mandibular retrusion were divided into a treatment (n = 20) and control (n = 18) group. Mandibular retrusion in the treatment group subjects was corrected by twin-block appliance. The effect of twin-block appliance on PAP and PPWT dimensions were evaluated from lateral cephalograms recorded prior-to and after 6 months of appliance therapy in the treatment group subjects and the changes were compared with the changes in the control group subjects. Student’s t-test was used for statistical analysis; P-value of 0.05 was considered a statistically significant level.ResultsThe depth of the oropharynx was increased significantly in the treatment group subjects (P < 0.001) as compared to the control group subjects (P < 0.05). The depth of the hypopharynx increased significantly in treatment group subjects (P < 0.01). The PPWT at the level of the nasopharynx, oropharynx, and hypopharynx were maintained in the treatment group subjects; whereas in control group subjects, the PPWT was further reduced although the changes were not statistically significant.ConclusionsCorrection of mandibular retrusion by twin-block appliance in class II malocclusion subjects increased the PAP dimensions and maintained the pre-treatment thickness of posterior pharyngeal wall.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of twin-block appliance on the anatomy of pharyngeal airway passage (PAP) in class II malocclusion subjects

et al. 2014

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“…MADs prevent airway collapse by protruding the mandible to alter the position of the tongue and jaw. These devices can cause side effects, including excessive salivation, dry mouth, dental pain, gingival irritation, myofascial pain and temporomandibular joint pain [31][32][33]. MADs have better patient adherence than CPAP but are not recommended for patients with severe OSAHS.…”

Section: Prevalence Of Osahsmentioning

confidence: 99%

Breathing Re-Education and Phenotypes of Sleep Apnea: A Review

McKeown

O’Connor-Reina

Plaza

2021

JCM

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Four phenotypes of obstructive sleep apnea hypopnea syndrome (OSAHS) have been identified. Only one of these is anatomical. As such, anatomically based treatments for OSAHS may not fully resolve the condition. Equally, compliance and uptake of gold-standard treatments is inadequate. This has led to interest in novel therapies that provide the basis for personalized treatment protocols. This review examines each of the four phenotypes of OSAHS and explores how these could be targeted using breathing re-education from three dimensions of functional breathing: biochemical, biomechanical and resonant frequency. Breathing re-education and myofunctional therapy may be helpful for patients across all four phenotypes of OSAHS. More research is urgently needed to investigate the therapeutic benefits of restoring nasal breathing and functional breathing patterns across all three dimensions in order to provide a treatment approach that is tailored to the individual patient.

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Mandibular advancement appliances for treating sleep apnoea/hypopnoea syndrome

Cited by 2 publications

References 0 publications

Effects of twin-block appliance on the anatomy of pharyngeal airway passage (PAP) in class II malocclusion subjects

Effects of twin-block appliance on the anatomy of pharyngeal airway passage (PAP) in class II malocclusion subjects

Breathing Re-Education and Phenotypes of Sleep Apnea: A Review

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