NUPRO(r) Sensodyne Prophylaxis Paste With NovaMin(r)Sensitivity Relief Study

Inclusion Criteria: * Availability to complete in the 28 day duration of the study. * Two sensitive teeth which are not adjacent to each other and preferably in different quadrants and demonstrate cervical erosion, abrasion, and gingival recession. * qualifying response to tactile stimuli as defined by a score of \</= 20 grams. * Qualifying response to air blast stimuli as defined by a score of \>/= 1 on the Schiff Cold Air Sensitivity Scale. * Good general health with no known allergies to products being tested. * Use of a non-desensitizing dentifrice for 3 weeks prior to entry into the study. * Able to follow study procedures and instructions. * Must have a minimum of 10 natural evaluable teeth, excluding 3rd molars. Exclusion Criteria: * Individuals who exhibit gross oral pathology * Females who may be pregnant or lactating or intending to become pregnant * Individuals who require anesthetic during scaling * Dental pathology which may cause pain similar to tooth sensitivity * Individuals with large amounts of calculus * Subjects with active infectious diseases such as hepatitis, HIV or tuberculosis * Any condition requiring antibiotic prophylaxis for dental treatment * Excessive gingival inflammation * Individuals who had their teeth cleaned within 30 days of the screening appointment * Individuals who have had a desensitizing treatment or tooth bleaching within 90 days of screening appointment. * Oral pathology, chronic disease, or history of allergy to test products * Advanced periodontal disease or treatment for periodontal disease (including surgery) within the past twelve months. * Sensitive teeth with 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. * Regular use of sedatives, anti-inflammatory drugs, or analgesic * Participation in a desensitizing dentifrice study or regular use of a desensitizing dentifrice within the past 4 weeks. * Current participation in any other clinical study or receipt of an investigational drug within 30 days of the screening visit at the start of the study. * Personnel; a) An employee of the sponsor; b) A member or relative of the study site staff directly involved with the study. * Allergies to oral care products, personal care consumer products, or their ingredients. * Any subject who, in the judgment of the investigator, should not participate in the study.