Toothpaste showdown: could stannous fluoride outperform potassium for sensitive teeth?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Must be male or female 18 to 70 years of age * Must give written informed consent * Must be in good general health as determined by the study investigators * Must be available for the seven day duration of the study * Must have 2 hypersensitive teeth which must meet ALL of the following inclusion criteria: Be anterior to the molars and demonstrating dentin exposure due to cervical erosion/abrasion or gingival recession. Have a qualifying dentin hypersensitivity response to tactile stimuli applied to the cervical surface (gingivo-facial 1/3) as defined by a response score between 10-50grams of force (Yeaple Probe, XiniX Research Inc. Portsmouth, NH, USA). -Have a qualifying dentin hypersensitivity response to air blast stimuli applied for one second to the cervical surface (gingivo-facial 1/3) as defined by a score of 2 or 3 on the Schiff Cold Air Sensitivity Scale Exclusion Criteria: * Allergies to oral care products, personal care consumer products, or their ingredients. * Use of a desensitizing oral care product or recipient of desensitizing treatment within three months prior to start of the study. * Gross oral pathology, advanced periodontal disease or treatment for periodontal disease (including surgery) within the past twelve months. * Sensitive teeth with a mobility greater than one. * Teeth with extensive/defective restorations (including prosthetic crowns), suspected pulpitis, caries, cracked enamel, or used as abutments for removable partial dentures. * Current use of anticonvulsants, antihistamines, antidepressants, sedatives, tranquilizers, anti-inflammatory drugs, or daily use of analgesics * Participation in any other oral clinical studies for the duration of this study * Full or partial removable oral prostheses * Pregnant or lactating (breast feeding) * Allergies to oral care products, personal care consumer products, or their ingredients. * Medical condition which prohibits not eating/drinking for 4 hours