Tooth extrinsic discoloration and tooth hypersensitivity
Conditions
Interventions
Experimental group:Participants in the experimental group were given LESEING strips containing 3% hydrogen peroxide and 1.5% potassium nitrate. During the process, participants brushed teeth twice dai
Control group:Participants in control group received Crest 3DWhitestrips containing only 3% hydrogen peroxide. During the process, participants brushed teeth twice daily with the given non-fluoride to
Sponsors
The Affiliated Stomatological Hospital of Chongqing Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1.Healthy adults aged 18 to 60 years old who can attend regular follow-up visits during the trial period. 2. Those willing to whiten their teeth and sign the informed consent form. 3. Natural upper anterior teeth 13-23 without intrinsic discoloration such as tetracycline-stained teeth or fluorosis, without extrinsic discoloration such as tobacco stains, plaque or calculus, without untreated dentin hypersensitivity, without fixed orthodontic appliances or removable partial dentures, and without fillings or crown restorations. 4. Agree not to consume foods with extrinsic pigments such as tea, coffee, red wine, and cola during the trial period. 5. Have not used anti-dentin hypersensitivity products and are not participating in other similar trials simultaneously. 6. Agree to postpone any non-emergency dental check-ups and teeth cleaning until the end of the trial. 7. Agree not to use any non-experimental toothpaste or mouthwash during the trial period.
Exclusion criteria
Exclusion criteria: 1.Participants with severe oral diseases, systemic diseases or a history of allergy to the test product; 2.Teeth 13-23 in the progression stage of periodontal disease or having received periodontal treatment (including periodontal surgery) within the past year; 3.Mobility of teeth 13-23 greater than 1 degree; 4.Large fillings on the labial surface of teeth 13-23, suspected of pulpitis, caries, enamel cracks, etc.; 5.Unhealed dentin hypersensitivity in teeth 13-23; 6.Malocclusion of teeth 13-23, wearing fixed orthodontic appliances, fixed dentures or removable dentures, etc.; 7.Teeth 13-23 with intrinsic discoloration such as tetracycline-stained teeth or fluorosis; 8.Smokers; 9.Women in pregnancy or lactation; 10.Currently participating in other clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CIE luminance value L*;CIE red-green degree a*;CIE yellow-blue degree b*;The overall color of tooth color changes ?E*ab;Dental whiteness index ?WID;Cold Air Sensitivity Index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vita Classical 16-color palette scales;Vita Bleachedguide29 color palette levels; | — |
Countries
China
Contacts
Public ContactYang Deqin
The Affiliated Stomatological Hospital of Chongqing Medical University
Outcome results
None listed