Prediction of effect of oral appliance treatment using cone-beam CT

Prediction of effect of oral appliance treatment for obstructive sleep apnea by upper airway assessment using cone-beam computed tomography - CBCT study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs032190176

Enrollment

Registered

2020-01-08

Start date

2020-01-08

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Obstructive sleep apnea Obstructive sleep apnea

Interventions

Cone-beam computed tomography scan

D054893

Cone-Beam Computed Tomography

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Both gender over 20 years old 2) BMI, over 18.5 under 35 3) Patients who are under OA treatment for OSA in research facilities 4) Patients who have the results of sleep study before and after OA treatment 5) Patients who have the results of cephalo radiography without OA 6) Patients who can keep the notice for the CBCT scan 7) Patients who agree to participate in this study

Exclusion criteria

Exclusion criteria: 1) Patients who can't adapt the oral appliance 2) Patients who can't have taken CBCT scan due to health condition 3) Patients who have congnitive and sensor impairment 4) Patients who are pregnant, under brestfeeding and have the plan fot pregnant 5) Patients who judged to be ineligible fot this study by the doctor 6) Patients who don't agree to participate in this study

Design outcomes

Primary

Measure	Time frame
Minimum cross-sectional area in upper pharynx	—

Secondary

Measure	Time frame
Medical informations, resurt of sleep study, cephalo radiography and 3D analysis of upper airway	—

Contacts

Public ContactAkiko Nishimura

Showa Medical University Hospital

nishim@dent.showa-u.ac.jp+81-3-3784-8000

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026