Mandibular setback surgery and sleep quality

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20220506003

Enrollment

Registered

2022-05-06

Start date

2022-05-02

Completion date

Unknown

Last updated

2026-03-30

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

Conditions

Study group is the patients who diagnosed as mandibular prognathism or skeletal class III malocclusion and will undergo mandibular setback surgery. Control group is a normal skeletal class I subjects who volunteer to participate in the study. Orthognathic surgery, Obstructive sleep apnea

Interventions

Patient who undergo mandibular setback surgery,Normal skeletal class I subject

Prevention,Prevention

Study group,Control group

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. ASA physical status I or II 2. BMI < 35 kg/m2 3. Diagnosed as mandibular prognathism or skeletal class III malocclusion for the study group 4. Require a mandibular setback surgery with bilateral sagittal split osteotomy (BSSRO) with or without maxillary surgery for the study group 5. Normal skeletal class I subjects for the control group

Exclusion criteria

Exclusion criteria: 1. Present with any uncontrolled systemic disease or undergoing the medications that may affect the sleep condition 2. Existing OSA 3. Craniofacial syndrome 4. Previous orthognathic surgery or naso-oropharynx surgery 5. Significant change in BMI during the study period

Design outcomes

Primary

Measure	Time frame
Sleep study result Before and 6-month after surgery AHI	—

Secondary

Measure	Time frame
Airway volume before and 6-month after surgery cm3	—

Countries

Thailand

Contacts

Public ContactWichuda Kongsong

Faculty of Dentistry, Chulalongkorn University

wichuda.k@chula.ac.th022188590

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026