Toothpaste showdown: new study pits three formulas against 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: 1. Sign an Informed Consent Form; 2. Male or female 18 to 70 years of age, inclusive; 3. Be in good general health as determined by the study investigators (absence of any condition that, in the opinion of the Principal Investigator, might constitute a risk to the subject while participating in the study. Examples include heart problems, valve/hip replacements, etc); 4. Willingness to provide information related to their medical history; 5. Available for the two (2) weeks duration of the study; 6. Minimum of 16 uncrowned permanent natural teeth (excluding third molars and crowns); 7. Must present at least two (2) sensitive teeth which must meet ALL of the following criteria: 1. Be anterior to the molars and demonstrating dentin exposure due to cervical erosion/abrasion and/or gingival recession; 2. 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: 1. Gross oral pathology, chronic disease, and/or history of allergies to any of the test products; 2. Use of a desensitizing oral care product and/or recipient of any dental desensitizing treatment within the past month prior to start of the study; 3. Advanced periodontal disease and/or treatment for periodontal disease (including surgery) within the past twelve months, dental cleaning it's permitted; 4. Sensitive teeth with a mobility greater than one; 5. Teeth with extensive/defective restorations (including prosthetic crowns), suspected pulpitis, caries, cracked enamel, or used as abutments for removable partial dentures; 6. Current use of anticonvulsants, antihistamines, antidepressants, sedatives, tranquilizers, anti-inflammatory drugs, daily use of analgesics within one month prior to the start of the study or scheduled to start such intake during the course of the study; to be defined by the dental examiner; or other drugs that could affect pain sensation; 7. Current smokers and subjects with a history of alcohol or drug abuse; 8. Participation in any other oral clinical study for the duration of this study; 9. Self-reported pregnancy and/or currently breastfeeding; 10. Allergies to oral care products, personal care consumer products, and/or their ingredients; 11. Medical condition which prohibits not eating/drinking for 4 hours. 12. Extended use of antibiotics or therapeutic mouthwash (eg: Chlorhexidine) any time during the three months prior to entry into the study; 13. Ongoing use of medications known to affect the gingival tissues (i.e. calcium channel blockers, phenytoin, cyclosporine); 14. Current use of orthodontic appliances (including fixed braces, clear aligners, or permanent retainers)