Exogenous Pigment
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Healthy adults (18~65 years old), gender is not limited; 2) Willing to whiten teeth; 3) 12 natural front teeth in the mouth, and these 12 natural front teeth do not have fillings or crown restorations; 4) Certain exogenous coloration, and the average Lobene index is greater than 1.5; 5) Signed the informed consent form, voluntarily participated in the trial, was willing to comply with the clinical trial requirements, and followed up on time; 6) Do not participate in other clinical trials during the trial; 7) Agree to postpone any non-emergency oral examination, including dental cleaning, until the end of the trial; 8) Agree not to use any non-test toothpaste, mouthwash, electric toothbrush, toothbrush, toothbrush, etc. during the test.
Exclusion criteria
Exclusion criteria: 1) Serious systemic diseases; 2) Any serious periodontal disease and calculus, especially at the anterior gum margin; 3) Unhealed dentin sensitivity; 4) A history of allergy to the test product; 5) Pregnant or breastfeeding women; 6) Currently participating in other clinical trials or have participated in other clinical trials in the past 3 months; 7) Occlusion that occludes the front teeth or wears fixed aligners, and the front teeth have fixed or removable dentures; 8) Endogenous coloring of tetracycline teeth, fluorosis teeth and so on; 9) Those who have undergone dental cleaning treatment within the past 3 months; 10) Have used teeth whitening products in the past 3 months; 11) The presence of any diseases and conditions that the trial investigator believes may affect the procedure of the examination and the safe completion of the test by the subject.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lobene index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vita L,a value;Tooth color grade;user satisfaction; | — |
Countries
China
Contacts
Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University