A Clinical Study to Determine the Safety and Effectiveness of Dentinal Hypersensitivity Treatment With Two Different Toothbrushes

Inclusion Criteria: * be at least 18 years of age; * provide written informed consent prior to participation and be given a signed copy of the informed consent form; * complete a photography consent agreement pertaining to the collection and use of non-identifying intraoral photographs; * be in good general health as determined by the Investigator/designee; and * have at least one tooth with a Schiff sensitivity score of at least 1 in response to the cool air challenge. Exclusion Criteria: * self-reported pregnancy or nursing; * severe periodontal disease, as characterized by purulent exudate, generalized mobility, and/or severe recession; * active treatment of periodontitis; * any diseases or conditions that might interfere with the safe completion of the study; or * an inability to undergo any study procedures.