Skip to content

Clinical study on the effect of Zhiyan Gingivitis (Qinghu) toothpaste on reducing gingivitis and inhibiting plaque

Clinical study on the effect of Zhiyan Gingivitis (Qinghu) toothpaste on reducing gingivitis and inhibiting plaque

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600126367
Enrollment
Unknown
Registered
2026-06-08
Start date
2025-03-24
Completion date
Unknown
Last updated
2026-06-15

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

Conditions

gingivitis

Interventions

test group:Zhiyan Gingival care (net care) toothpaste
control group:Zhiyan Gingival Care (net care) toothpaste placebo

Sponsors

Hospital of Stomatology, Shandong University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Good general health, no serious systemic diseases; 2. Male or female, aged 18-70 years old; 3. There are more than 20 natural teeth, no large area of restoration in the neck of the teeth, no untreated cavities, no severe gingival receding and no serious periodontal disease; 4. Improved Quigley-Hein plaque index >=1.5; 5. Gingival bleeding index >=1.0; 6. Sign informed consent, comply with the rules and requirements of the trial, and complete the 3-month clinical trial.

Exclusion criteria

Exclusion criteria: 1. Currently participating in other oral clinical trials. 2. Currently pregnant or breastfeeding. 3. Untreated caries or severe periodontal disease. 4. Anti-inflammatory, antibacterial or statin drugs should be taken during the trial. 5. Subjects who had used gum health care products in the 4 weeks prior to the trial. 6. Wear full mouth or removable partial denture or orthodontic appliance. 7. More than 6 test subjects with severe staining of the tooth surface. 8. Diabetic patients. 9. Allergy to any component of the study product. 10. Take dietary supplements (such as multivitamins, antioxidants, fish oil, etc.). 11. Use antibiotics within two weeks prior to the start of the trial.

Design outcomes

Primary

MeasureTime frame
Bleeding index (BI);Plaque index (PI);

Secondary

MeasureTime frame
Oral Health Impact Scale (OHIP-14);

Countries

China

Contacts

Public ContactZhenkun Zhu

Hospital of Stomatology, Shandong University

181960047@qq.com+86 531 8838 2595

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jun 21, 2026