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An Exploratory Study on the Treatment of Single-Tooth RT1-Type Gingival Recession Using a Volume-Stable Collagen Matrix for Oral Application

An Exploratory Study on the Treatment of Single-Tooth RT1-Type Gingival Recession Using a Volume-Stable Collagen Matrix for Oral Application

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600120551
Enrollment
Unknown
Registered
2026-03-17
Start date
2026-03-17
Completion date
Unknown
Last updated
2026-03-23

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

Conditions

Gingival recession

Interventions

Experimental group:Treatment of Gingival Recession Using Volume-Stable Collagen Matrix for Oral Use

Sponsors

Stomatology Hospital,Zhejiang University School Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1.Age 20–50 years old and in good overall health; 2.At least 1 tooth with Cario classification—RT1 type gingival recession, with a recession depth =2mm. 3.Total plaque and bleeding index =20%; 4.The cementoenamel junction (CEJ) is identifiable.

Exclusion criteria

Exclusion criteria: 1.Heavy smokers (more than 10 cigarettes per day); 2.Pregnant or breastfeeding women; 3.Uncontrolled systemic diseases (such as diabetes, immune system disorders, etc.); 4.Severe tooth misalignment and rotation; 5.Use of medications that may affect mucosal healing (steroids, immunosuppressants) or history of head and neck radiation therapy; 6.History of periodontal surgery in the surgical area; 7.Patients with allergies to bovine collagen or those for whom its use is contraindicated; 8.Untreated periodontal disease;

Design outcomes

Primary

MeasureTime frame
Mean Root Coverage;

Secondary

MeasureTime frame
Gingival Thickness;Width of keratinized gingiva;Root Coverage Esthetic Score;Recession Depth;Patient-reported outcome measures;Complete root coverage;Probing Depth;

Countries

China

Contacts

Public ContactDing Peihui

Stomatology Hospital,Zhejiang University School Medicine

phding@163.com+86 571 87219927

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 3, 2026