Dentin Hypersensitivity
Conditions
Interventions
test group:the new dentifrice formulation containing 7.5% HX-BGC, a new bioactive glass-ceramic, in a silica base
control group:control dentifrice contained same grinding material as experimental dentifrice but without any HX-BGC
Sponsors
Sichuan University, West China Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: Inclusion criteria were hypersensitive area on facial surfaces of the teeth (incisors, cuspids and bicuspids with exposed cervical dentine) with at least two nonadjacent teeth scoring two or three at the airblast sensitivity test (Schiff Cold Air Scale) and scoring 10g or 20g at the tactile sensitivity test; good periodontal health (no probing depth >4mm) with no other conditions that might explain their apparent DH; good physical health; age between 18 and 70 years; and provision of written informed consent.
Exclusion criteria
Exclusion criteria: Exclusion criteria were chipped teeth, defective restorations, fractured undisplaced cuspids, deep dental caries or large restorations showing pulpal response, deep periodontal pockets, orthodontic appliances, dentures or bridgework that would interfere with the evaluation of hypersensitivity; progressive periodontitis; hypersensitive teeth with a mobility >1; periodontal treatment, including surgery, within the previous 6 months; patient who had used any other anti-hypersensitivity dentifrice or taken part in any other clinical trial; ongoing treatment for tooth hypersensitivity; gregnancy of lactation; ongoing treatment with antibiotics and/or anti-inflammatory drugs; use of a pace-maker; uncontrolled metabolic diseases; major psychiatric disorder; and alcohol or drug abuse.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Airblast test (Schiff);Tactile test (Yeaple); | — |
Countries
China
Contacts
Public ContactDeyu Hu
Sichuan University, West China School of Stomatology
Outcome results
None listed