The oral Health-related Quality of Life in patients who underwent surgery-first orthognathic approach and conventional orthognathic approach.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20250217003

Enrollment

Registered

2025-02-17

Start date

2024-04-05

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Dentofacial abnormalities (Skeletal Class II or Class III) Surgery-first orthognathic approach (SFOA), Conventional orthognathic approach (COA), Quality of life, Area of occlusal contacts, Overjet

Interventions

Skeletal Class II and skeletal Class III patients who require orthognathic surgery with surgery first technique. - Patients age more than 18 years with complete bone growth. - Normal BMI - Fully denta

Treatment,Treatment

SFOA group ,COA group

Eligibility

Sex/Gender

Male

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Skeletal Class II and skeletal Class III malocclusion who were recruited for orthognathic surgery (1 jaw and 2 jaws surgery) 2. Condition of patients is suitable for SFOA and COA treatment plan. 3. Patients age more than 18 years with complete bone growth. 4. Normal BMI 5. Fully dentate patients

Exclusion criteria

Exclusion criteria: 1. Patients with history of previous orthodontic treatment or orthognathic surgery or trauma to the jaw bones 2. Patients with history of craniofacial syndromes 3. Patients present with any respiratory diseases.

Design outcomes

Primary

Measure	Time frame
Quality of life score before surgery 1 month, after surgery 1 month, 3 month, 6 month and 1 year OQLQ-22 and OHIP-14 questionaires	—

Secondary

Measure	Time frame
overjet before surgery 1 month, after surgery 1 month, 3 month, 6 month and 1 year overjet is measured on lateral cephalometric radiograph.,Area of occlusal contact before surgery 1 month, after surgery 1 month, 3 month, 6 month and 1 year polyvinyl siloxane occlusal registration material is injected on the occlusal surface of patients and scanning process is run to obtain the bite image for calculating the area of occlusal contact ,Facial contour angle before surgery 1 month, after surgery 1 month, 3 month, 6 month and 1 year Facial contour angle is measured on lateral cephalometric radiograph.	—

Measure

Time frame

overjet before surgery 1 month, after surgery 1 month, 3 month, 6 month and 1 year overjet is measured on lateral cephalometric radiograph.,Area of occlusal contact before surgery 1 month, after surgery 1 month, 3 month, 6 month and 1 year polyvinyl siloxane occlusal registration material is injected on the occlusal surface of patients and scanning process is run to obtain the bite image for calculating the area of occlusal contact ,Facial contour angle before surgery 1 month, after surgery 1 month, 3 month, 6 month and 1 year Facial contour angle is measured on lateral cephalometric radiograph.

—

Countries

Thailand

Contacts

Public ContactTanapat Saisen

Faculty of Dentistry, Chulalongkorn University

saisen.tanapat@gmail.com0837263765

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026