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Masticatory function assessment in patients undergoing orthognathic surgery with surgery-first approach

Masticatory function assessment in patients undergoing orthognathic surgery with surgery-first approach

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20250226003
Enrollment
60
Registered
2025-02-26
Start date
2025-02-26
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

Masticatory function and occlusal contact area in patients undergoing orthognathic surgery with surgery-first approach Surgery-first orthognathic approach Masticatory function Mixing ability Occlusal contact area Food Intake Ability

Interventions

Patients will have combined surgical and orthodontics treatment with surgery-first technique.,Patients who were undergoing combined surgical and orthodontics treatment with conventional technique, alr
Surgery-first orthognathic approach,Conventional orthognathic approach,Control

Sponsors

Office of Research Affairs, Faculty of Dentistry, Chulalongkorn University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Surgery-first group 1. Patients who had a plan for combined surgical and orthodontics treatment with surgery-first technique (tooth levelling not exceed 4 months), 2. Skeletal Class III malocclusion, 3. Full dentition (except third molars and premolar extraction for orthodontic purpose), 4. No congenital cranial malformations or syndromes, Conventional group 1. Patients who were undergoing combined surgical and orthodontics treatment with conventional technique, already in pre-surgical orthodontic phase, and had a plan for surgical treatment during the study period, 2. Skeletal Class III malocclusion, 3. Full dentition (except third molars and premolar extraction for orthodontic purpose), 4. No congenital cranial malformations or syndromes, Control group 1. Healthy volunteers who were randomly recruited from undergraduate dental students at the Faculty of Dentistry, Chulalongkorn University, 2. Full dentition (except third molars), 3. Skeletal Class I normal bite, 4. Not allergic to peanuts, 5. No symptomatic TMD according to the assessment protocol of Schiffman et al. (2016), 6. No congenital cranial malformations or syndromes, 7. No history of orthodontic treatment, 8. No history of orthognathic surgery

Exclusion criteria

Exclusion criteria: 1. Patients who had orthognathic surgery plan with multi-segmented osteotomy, 2. Patients who were allergic to peanuts, 3. Patients with symptomatic TMD according to the assessment protocol of Schiffman et al. (2016), 4. Patients who were not willing to participate in the study

Design outcomes

Primary

MeasureTime frame
Masticatory function Before surgery, 2-4 weeks after surgery, 3 months after surgery, 6 months after surgery, 1 year after surgery Mixing ability score, Food Intake Ability (FIA) score, Occlusal contact areas

Secondary

MeasureTime frame
N/A N/A N/A

Countries

Thailand

Contacts

Public ContactThanit Charoenrat

Faculty of Dentistry, Chulalongkorn University

thanit.ch@chula.ac.th022188930

Outcome results

None listed

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