Potential of Stannous Fluoride Toothpaste to Reduce Gum Disease

Inclusion Criteria:

- Demonstrates understanding of the study procedures, restrictions and willingness to
participate as evidenced by voluntary written informed consent and has received a
signed and dated copy of the informed consent form.

- Good general health with (in the opinion of the investigator) no clinically
significant and relevant abnormalities of medical history or oral/dental examination.

- Absence of any condition that would impact on the subject's safety or wellbeing or
affect the individual's ability to understand and follow study procedures and
requirements.

- A minimum of 20 permanent gradable teeth. (Gradable teeth are those where restorative
materials cover less than 25% of the tooth surface graded).

- Moderate gingivitis present at the screening visit in the opinion of the investigator
from a gross visual gingival assessment.

- Visible blood in toothpaste expectorant at Screening and Baseline (Visit 2).

Exclusion Criteria:

- Women who are known to be pregnant or who are intending to become pregnant over the
duration of the study.

- Women who are breast-feeding

- Known or suspected intolerance or hypersensitivity to the study materials (or closely
related compounds) or any of their stated ingredients.

- Participation in another clinical study (including cosmetic studies) or receipt of an
investigational drug within 30 days of the screening visit.

- Previous participation in this study.

- Recent history (within the last year) of alcohol or other substance abuse.

- An employee of the sponsor or the study site or members of their immediate family.

- An employee of any toothpaste manufacturer or their immediate family.

- Medical History/Current Medication A. Current or relevant history of any serious,
severe or unstable physical or psychiatric illness or any other medical condition
(e.g. Diabetes Mellitus) that would make the subject unlikely to fully complete the
study or any that increases the risk to the subject or undermines the data validity
B.Screening i. Currently taking antibiotics or requiring antibiotic use prior to
dental prophylaxis or other dental procedures.

ii. Currently taking an anti-inflammatory medication which, in the opinion of the
Investigator, could affect gingival condition.

iii. Currently taking a systemic medication which, in the opinion of the C. Baseline, Day
28 and Day 96 Assessment Visits i. Has taken antibiotics in the previous 14 days. ii. Has
taken an anti-inflammatory medication which, in the opinion of the investigator, could
affect gingival condition in the previous 14 days.

iii. Has taken a systemic medication which, in the opinion of the investigator, could
affect gingival condition in the previous 14 days (e.g. calcium channel blockers, or
aspirin therapy).could affect gingival condition in the previous 14 days (e.g. calcium
channel blockers, or aspirin therapy).Investigator, could affect gingival condition (e.g.
calcium channel blockers, or aspirin therapy).

- Have current active caries or periodontitis that may, in the opinion of the
investigator, compromise the study or the oral health of the subjects if they
participate in the study.

- Restorations in a poor state of repair.

- Partial dentures or orthodontic appliances.

- Teeth bleaching within 12 weeks of screening.

- Use of a chlorhexidine mouthwash within 14 days of baseline.

- Current smokers or smokers who have quit within the past 6 months prior to screening
or subjects currently using smokeless forms of tobacco, e.g. Gutkha, Pan containing
tobacco, Pan Masala or nicotine based e-cigarettes.