dentine hypersensitivity
Conditions
Interventions
Negative control group:illuminate without power
treatment group:illuminate with 532nm laser
positive control group:Gluma Desensitizer
Sponsors
Peking University School of Stomatology
Eligibility
Sex/Gender
All
Age
35 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1. Aged 35 to 55 years old, both men and women; 2. Have time to participate in a trial operation and follow-up after 6 times, each treatment or follow-up time does not exceed 30min; 3. The general condition is good, without any systemic disease, no allergy history; 4. In prescreening VAS software that counts up to 10, the patient's "everyday" tooth-sensitive subjective feelings must be in the range of 1 to 9; 5. With cold air blowing on the teeth for 1 second, the patient has at least one tooth sensitive to the stimulus. In the screening VAS software up to a count of 10, subjects experienced a subjective sensation of tooth sensitivity in the range of 3-8; 6. Dental dentin-sensitive parts of the test tooth occlusal surface of the excessive wear of the posterior teeth, and the diagnosis or exploration can determine the presence of dentine dentine exposure, but not dental treatment or repair of teeth; 7. Test teeth without caries, no filling, no tooth fold, no crack, no symptoms of pulpitis; 8. Clinical examination Tooth mobility = 1 degree; 9. Can read and understand the informed consent form and willing to sign it.
Exclusion criteria
Exclusion criteria: 1. Sensitive teeth are fixed or removable partial denture abutments, with a full crown, or enamel with significant cracks in the teeth; 2. Sensitive teeth have a wedge-shaped defect deeper than 1 mm or located partially subgingival; 3. poor oral hygiene, severe gingival inflammation or need full oral treatment; 4. Tooth surgery that has undergone periodontal surgery in the last 6 months or that has been treated for curettage or root formation in the last 3 months; 5. In the experimental screening within two weeks before being treated with subgingival scaling treatment; 6. physical conditions do not allow 2 hours banned from eating and drinking water; 7. Anticonvulsants, antihistamines, antidepressants, sedatives, sedatives, anti-inflammatory drugs, analgesics taken within 1 week, or those who need to start taking these medications during the trial period should be taken within one month before the test; 8. Pregnant or lactating women; 9. For oral care products, personal care consumer products or those who have an allergy; 10. can not strictly adhere to the use of the product; 11. Currently attending other clinical trials or related symposiums.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Dental pulp electrical activity test;cold test;remaining dentin thickness; | — |
Countries
China
Contacts
Public ContactYuguang Wang
Peking University School of Stomatology
Outcome results
None listed