Extrinsic stain
Conditions
Interventions
256 test group:toothpaste 256
356 test group:toothpaste 356
793 control group:toothpaste 793
Sponsors
Sichuan University West China Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged between 18-65; 2. Overally healthy; 3. Able to participate follow-up examinations on time; 4. No less than 20 natural teeth without any large-area filling or crown; 5. There is extrinsic stain on tooth surface with Lobene>1.5; 6. Having signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. Severe oral diseases, chronic conditions or being allergic to study products; 2. Fluorosis or tetracycline pigmentation teeth; 3. Late-stage periodontitis; 4. Female in the state of pregnancy or breastfeeding; 5. Having been concurrently enrolled in other clinical trials; 6. In the process of orthodontic treatment; 7. Allergic to toothpaste or oxides; 8. Having bleached their teeth 6 months prior to the study or having their teeth prophylaxed 3 months prior to the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lobene Stain Index; | — |
Countries
China
Contacts
Public ContactHong Xiao
West China Hospital of Stomatology, Sichuan University
Outcome results
None listed