Tooth Sensitivity Relief by Two Mouthrinses

Inclusion Criteria

• Males and females at least 18 years of age in good general and oral health without any known allergy to commercial dental products or cosmetics.
• Evidence of a personally signed and dated informed consent document indicating the subject (or legally acceptable representative) has been informed of all pertinent aspects of the trial
• Willingness to use the assigned products according to instructions, availability for appointments, and likelihood of completing the clinical trial.
• A minimum of 2 natural premolars, canines, and/or incisors teeth with decay-free scorable facial/buccal surfaces which must present cervical abrasion, and/or erosion and/or gingival recession.
• A minimum of two eligible teeth (premolars, canines and/or incisors) with a Screening (-2 weeks Baseline) and Baseline tactile sensitivity score between 10 - 50 grams after application of the Yeaple probe and a cold air stimulus VAS score of 30 - 80 mm on a 100 mm VAS scale will be followed as study teeth during the trial.
• No more than two eligible teeth per quadrant each separated by 2 other teeth must be selected.Absence of significant oral soft tissue pathology, based on the dentist's visual examination and at the discretion of the investigator.
• Adequate oral hygiene (i.e. brush teeth daily and exhibit no signs of oral neglect).
• Absence of severe marginal gingivitis, moderate/advanced periodontitis (ADA Type III, IV) based on a clinical examination and discretion of the Investigator.
• Absence of extensive supragingival calculus.

Exclusion Criteria

• Volunteers who report history or presence of kidney disorders, kidney stones, eating disorders, uncontrolled GERD, excessive dietary or environmental exposure to acids, or other systemic conditions that are predisposing to dentinal hypersensitivity.
• Volunteers with chronic medical debilitating disease associated with constant or intermittent episodes of daily pain.
• Long-term daily use (≥ 7 consecutive days) of analgesics and any other drugs that at the discretion of the Investigator would compromise the response of the hypersensitivity assessments.
• Volunteers who have been using any home-care bleaching, whitening products or have had a professional bleaching treatment within 4 weeks of the Screening visit.
• Use of desensitizing agents whether prescribed or over-the-counter within eight weeks prior to screening visit (any sensitivity toothpastes such as Crest Sensitivity, Sensodyne, Crest Pro-Health, Colgate Sensitivity Relief, any mouthwash and oral care products used for the treatment of dentinal hypersensitivity).
• Volunteers who during the study will receive dental treatment which may affect their dentinal hypersensitivity condition (i.e. oral prophylaxis). Emergency treatment will be allowed.
• Those requiring antibiotic premedication prior to invasive dental procedures.
• Participation in a dental clinical trial involving oral care products within the past 30 days.
• Women who are pregnant, nursing or plan to become pregnant during the course of the study.
• Teeth that are grossly carious, orthodontically banded, abutment teeth for fixed or removable prostheses, crowned teeth, or third molars will not be included in the study.
• Periodontal surgery and orthodontic treatment within previous 3 months.
• Extensive restorative treatment (i.e. extensively restored teeth or teeth with restoration(s) extending into the test area) at the discretion of the Investigator.
• Dental prophylaxis within 2 weeks prior to Screening visit.
• Teeth or periodontium with pathology or defect likely to cause pain.
• Teeth with clinical mobility > grade 1.