To Assess the Efficacy of a Toothpaste Containing 8% Arginine as Compared to Colgate Cavity Protection Toothpaste in the Reduction of Dentinal Hypersensitivity.

Inclusion Criteria: * Sign an Informed Consent Form; * Male or female 18 to 70 years of age, inclusive; * Be in good general health as determined by the study investigators; * Available for the eight (8) weeks duration of the study; * Must present two (2) sensitive teeth which must meet ALL of the following criteria: * Be anterior to the molars and demonstrating dentin exposure due to cervical erosion/abrasion and/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: * Gross oral pathology, chronic disease, and/or history of allergies to any of the test products * Use of a desensitizing oral care product and/or recipient of any dental desensitizing treatment within the past three months prior to start of the study; * Advanced periodontal disease and/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…