Dentine hypersensitivity Oral Health
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Both part 1 and part 2: 1. At least 18 years of age 2. In good general health 3. Able to follow study procedures 4. Have at least one tooth with a Schiff sensitivity score of 2 in response to a cool air challenge
Exclusion criteria
Exclusion criteria: 1. Severe periodontal disease 2. Active treatment for periodontitis 3. Any medical condition requiring pre-medication prior to dental procedures 4. Any disease or condition that might interfere with the participant completing the study safely 5. Fixed orthodontic appliances 6. A history of kidney stones 7. Self-reported pregnancy or nursing 8. Daily doses of medication that interfere with pain perception such as anti-inflammatory drugs, anti-depressants, sedatives, antihistamines 9. Use of desensitising toothpastes within the 3 months prior to the screening visit 10. Allergy to ingredients in commercial dental products, such as potassium oxalate, potassium sorbate 11. Analgesia within the 8 hours prior to screening
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Part 1: Dentine hypersensitivity as measured by examiner reported Schiff and patient-reported VAS in response to cool air and tactile stimuli. Measured at baseline, after 2 weeks, after 4 weeks Part 2: Tubule occlusion score as determined by assessment of scanning electron microscope images. Measured at baseline and after 2 weeks | — |
Secondary
| Measure | Time frame |
|---|---|
| Part 1: Participants' perceived dentine hypersensitivity as determined by questionnaire. Measured at baseline, after 2 weeks, after 4 weeks | — |
Countries
United Kingdom