Efficacy of Toothpaste Containing 0.454% Stannous Fluoride as Compared to a Regular Fluoride Toothpaste Containing 0.76% Sodium Monofluorophosphate in Controlling Supragingival Calculus Formation Over a 12-week Period.

Inclusion Criteria: * Subjects were required to sign an Informed Consent form * Subjects had to be in general good health * Male and female adults between the ages of 18-70 (inclusive) * Six (6) scoreable mandibular anterior teeth free of large restorations or dental prosthetic crowns * Subjects were required to possess a Volpe-Manhold Calculus Index of at least 7.0 * Subjects had to be able to participate for the full duration (20 weeks) of the study Exclusion Criteria: * Presence of orthodontic appliances or removable prosthesis at the lower jaw or more than one mandibular anterior tooth with a prosthetic crown or veneer * Tumor(s) or significant pathology of the soft or hard tissues of the oral cavity * Moderate or advanced periodontal disease * Five or more carious lesions requiring immediate care * Use of antibiotics or steroids any time during one month prior to entry into the study * Participation in any other clinical study or panel test * Pregnant or breast feeding women * History of allergies to dentifrice and personal care ingredients * Allergies to dentifrice products * Medical reasons that prohibit eating or drinking for 4 hours prior to clinical facility visit.