Test on a New Experimental Mouth Rinse for Relieving Tooth Sensitivity

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 study
• Females of childbearing potential must be using a medically-acceptable method of birth control for at least one month prior to Visit 1 and agree to continue using this method during their participation in the study. Acceptable methods for this study include:
• Abstinence
• Birth control pills, patches, vaginal rings, implants or injections
• Intrauterine device
• Double barrier method (condom/diaphragm or cervical cap with spermicide)
• Bilateral tubal ligation
• Hysterectomy
• Ovariectomy
• Male partner vasectomy
• Willingness to use the assigned products according to instructions, availability for appointments, and likelihood of completing the clinical study.
• 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 cold air stimulus Visual Analogue Scale (VAS) score of 40 - 80 mm on a 100 mm VAS scale, tactile sensitivity score between 10 - 30 grams after application of the Yeaple probe and a tactile (Yeaple probe) VAS of 40 -80 mm on a 100 mm VAS scale.
• 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 absence of extensive calculus above the gum line.

Exclusion Criteria

• Volunteers who report history or presence of kidney disorders, kidney stones, have celiac disease, inflammatory bowel disease (ulcerative colitis or Crohn's disease), chronic pancreatitis, have had intestinal or weight-loss surgery, or if have stomach or intestinal problems that keep them from absorbing certain foods or nutrients.
• Volunteers with eating disorders, uncontrolled Gastroesophageal reflux disease GERD or Acid Reflux, 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 with a known allergy to study products' ingredients.
• Those requiring antibiotic premedication prior to invasive dental procedures.
• Participation in a dental clinical study involving oral care products within the past 30 days.
• Self reported pregnancy or lactation (this crite