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Efficacy study for toothpastes containing Zinc Citrate with Gingival health related index and RT-PCR detection on pathogenic microorganisms

Efficacy study for toothpastes containing Zinc Citrate with Gingival health related index and RT-PCR detection on pathogenic microorganisms

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR1900020592
Enrollment
Unknown
Registered
2019-01-09
Start date
2014-08-01
Completion date
Unknown
Last updated
2019-01-14

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

Conditions

gingivitis

Interventions

Test Group:toothpastes containing 2% Zinc Citrate
Control:use the matching placebo toothpaste without Zinc Citrite

Sponsors

West China Stomatological Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
25 Years to 34 Years

Inclusion criteria

Inclusion criteria: 1) Subjects had to possess at least 20 uncrowned permanent natural teeth, in good general health without significant systemic diseases; 2) Subjects aged 18 and 65 years; 3) Pregnant or breast feeding women were excluded from the study; 4) Subjects were required to present at baseline with PLI (Quiley&Hein)= 2, GI (Loe-Silness) = 1, BI= 1, Periodontal pocket depth=5mm; 5) Subjects who signed an informed consent form and completed clinical trials as required.

Exclusion criteria

Exclusion criteria: 1) Subjects who had allergic histories to ingredients of the test toothpastes; 2) With severe tartar; 3) Subjects who were currently taking drugs that could affect the test results; 4) Subjects who had taken antibiotics within one month before participating in the study; 5) Subjects who had open caries or lesions in the mucous membranes inside the oral cavity; 6) Subjects suffering from severe periodontitis; 7) Individual who participated in any other similar clinical study or panel test will be excluded from the study.

Design outcomes

Primary

MeasureTime frame
Gingival Index;Bleeding index;Plaque Index;Real time PCR;

Countries

China

Contacts

Public ContactBiao Ren

West China Stomatological Hospital of Sichuan University

renbiao@scu.edu.cn+86 18583602388

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 5, 2026