dentin hypersensitivity
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1, ages 18 to 65 years, gender not limited; 2, the whole body is in good condition, for commercial dental products or cosmetics allergy; 3, conform to dentine hypersensitivity diagnosis and research for anterior teeth or premolar, dentine hypersensitivity site for buccal tooth neck, the cause of dentine hypersensitivity to wear or gum back; 4, depending on the diagnosis or explore diagnosis can clear judgment dentin exposure without caries filling body, no odontoclasis and cracked, pulpitis symptoms; 5, pain to distinguish ability, and at least one of dentine hypersensitivity of teeth, sensitive to 10 g ~ 50 g of tactile stimuli, and (or) cold air stimulation VAS score of 2 or more points; 6, voluntarily signed informed consent.
Exclusion criteria
Exclusion criteria: 1, sensitive teeth are fixed or removable partial denture abutment teeth, with a full crown, or tooth enamel have obvious crack;Sensitive teeth loose degree > 1 degree; 2, poor oral hygiene status, severe gum inflammation or need comprehensive dental treatment; 3, the last six months had periodontal surgery treatment in recent 3 months to accept blow cure or dental root surface smooth; 4, 2 weeks before the test screening underwent for the treatment of gum on clean governance; 5, have caused chronic diseases of intermittent or continuous, such as arthritis, etc.; 6, within a month before the test taken convulsion, antihistamines, composed, tranquilizers, antidepressants, 1 weeks taking anti-inflammatory drugs, daily painkillers, or need to start taking the drug during the test; 7, women during pregnancy or lactation; 8, not suitable for the group, researchers make decision.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Explore clinical diagnostic sensitivity pressure and its decline in value;Cold air blow after spraying stimulus score and the decline in value;Blow cold water spray; | — |
Countries
China
Contacts
West China Hospital of Stomatology, Sichuan University