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A randomized controlled study of the use of microscrew in keratinized mucosa widening surgery

A randomized controlled study of the use of microscrew in keratinized mucosa widening surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600118401
Enrollment
Unknown
Registered
2026-02-05
Start date
2024-06-11
Completion date
Unknown
Last updated
2026-02-09

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

Conditions

Implant periodontal keratinization gingival hypoplasia

Interventions

Control group:Traditional widening of keratinized gingiva surgery
Microscrew:Widening of keratinized gingiva assisted by microscrew

Sponsors

Hospital of Stomatology Wuhan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Age 18–60 years (including 18 and 60 years), no gender restriction; 2. Patients with at least 2 missing posterior teeth, or patients requiring implant restoration due to non-preservable residual roots or crowns; 3. Patients whose implant site has a keratinized gingival width = 4mm and require keratinized gingival grafting; 4. Patients whose alveolar bone in the implant area or adjacent teeth area can ensure the safe fixation of implant anchorage screws (at least 1.5mm away from neighboring tooth roots/implants); 5. Patients who voluntarily participate and sign the "Informed Consent Form" after obtaining full information, and who agree to cooperate with regular check-ups.

Exclusion criteria

Exclusion criteria: 1. Uncontrolled diabetes, immune system diseases, or other systemic diseases; 2. Head and neck radiotherapy within the past year; 3. History of chemotherapy within the past year; 4. Uncontrolled periodontal disease, unwillingness to undergo periodontal treatment on remaining natural teeth; 5. Active maxillary sinus infection or a history of chronic maxillary sinus infection; 6. Long-term smoking of more than one pack per day; 7. Psychological disorders such as depression or anxiety that prevent cooperation with treatment; 8. Refusal to attend regular follow-up after treatment; 9. Pregnant or breastfeeding women, or women planning pregnancy within 2 years.

Design outcomes

Primary

MeasureTime frame
Surgery time;

Secondary

MeasureTime frame
Width of keratinized gingiva;Patient pain index;

Countries

China

Contacts

Public ContactYi Zhou

Hospital of Stomatology Wuhan University

dryizhou@whu.edu.cn+86 27 8768 6220

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 15, 2026