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Effect of the maxillary expander device on the size of the nasal cavity

Comparison between the differential opening maxillary expander and the Hyrax expander for pediatric Obstructive Sleep Apnea: a randomized clinical trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-2pd4s4q
Enrollment
Unknown
Registered
2024-01-30
Start date
2023-10-01
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sleep Apnea Syndromes

Interventions

Patients who meet the eligibility criteria will be randomized 1:1 into two experimental groups. The differential expander group will consist of 15 patients treated with the differential opening maxill
E06.658.578.458

Sponsors

Universidade de São Paulo
Lead Sponsor
Universidade de São Paulo
Collaborator

Eligibility

Age
6 Years to 12 Years

Inclusion criteria

Inclusion criteria: Children aged 6 to 12; both genders; presence of Class I or II malocclusion with unilateral or bilateral posterior crossbite; high-risk diagnosis for sleep-disordered breathing according to the Pediatric Sleep Questionnaire (PSQ)

Exclusion criteria

Exclusion criteria: Presence of Class III malocclusion; patients with craniofacial syndromes; history of previous orthodontic treatment

Design outcomes

Secondary

MeasureTime frame
It is expected to find a greater skeletal effect in the nasal cavity with the expander with differential opening.—

Primary

MeasureTime frame
It is expected to find a greater improvement in breathing in patients who used the expander with differential opening.—

Countries

Brazil

Contacts

Public ContactRodrigo Teixeira

Faculdade de Odontologia de Bauru

rodrigoteixeira@usp.br+55(14)32358000

Outcome results

None listed

Source: REBEC (via WHO ICTRP)