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A study of the therapeutic effects of extracting the maxillary third molar in patients with oral submucous fibrosis and moderate-to-severe trismus

A study of the therapeutic effects of extracting the maxillary third molar in patients with oral submucous fibrosis and moderate-to-severe trismus

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600124394
Enrollment
Unknown
Registered
2026-05-12
Start date
2026-02-20
Completion date
Unknown
Last updated
2026-05-18

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

Conditions

oral submucous fibrosis (OSF), restricted mouth opening

Interventions

Extraction of the maxillary third molar:None

Sponsors

Hunan Provincial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Clinically diagnosed with OSF (based on medical history, clinical manifestations, and pathological biopsy); 2. Severe limitation of mouth opening at the initial diagnosis (maximum mouth opening = 18 years, clear consciousness, able to cooperate with postoperative follow-up, and has signed informed consent.

Exclusion criteria

Exclusion criteria: 1. Accompanied by other diseases that may cause limited mouth opening (such as temporomandibular joint ankylosis, trauma, infection, etc.); 2. Missing maxillary third molars; 3. Presence of contraindications to tooth extraction (uncontrolled systemic diseases, severe bleeding tendencies, etc.); 4. Pregnant or breastfeeding women.

Design outcomes

Primary

MeasureTime frame
maximum mouth opening (MMO);Visual analog scale rating;degree of impact on oral health(OHIP-14);—

Countries

China

Contacts

Public ContactShun Yu

Hunan Provincial People's Hospital

1241180966@qq.com+86 731 8476 2619

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 22, 2026