Clinical Study to Assess the Efficacy of New Toothpaste Containing SnF as Compared to Colgate Cavity Protection Toothpaste on the Reduction of Enamel Erosion

* 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 eighteen (18) days duration of the study;

* Have normal salivary flow rate (stimulated and unstimulated flow of ≥0.7 ml/min and ≥0.2 ml/min respectively) ascertained from a preliminary saliva examination;

* Have healthy salivary pH (unstimulated saliva pH 6.8-7.8) ascertained from a preliminary saliva test;

* Must be able to accept a well-fitting removable intraoral appliance bearing at least two enamel specimens.

* 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;

* Obvious signs of dental erosion Teeth with extensive/defective restorations (including prosthetic crowns), suspected pulpitis, caries, cracked enamel, or used as abutments for removable partial dentures;

* Current use of anticonvulsants, antihistamines, antidepressants, sedatives, tranquilizers, anti-inflammatory drugs, daily use of analgesics, or medication which alters salivary flow

* Participation in any other oral clinical study for the duration of this study

* Self-reported pregnancy and/or currently breastfeeding;

* Allergies to oral care products, personal care consumer products, and/or their ingredients;

* Medical condition which prohibits not eating/drinking for 4 hours.