Can a Protein-Packed toothpaste outperform fluoride alone?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Be in good general health. * Be willing and physically able to carry out all study procedures. * Be willing and competent (verbally and cognitively) to give written informed consent and complete a medical history form. * Have at least 20 natural teeth without subgingival calculus including 5 teeth (excluding 3rd molars) in each quadrant, which can be assessed. * Have mean Gingival Index (GI) score between 1.0 and 2.0 (1.0 ≤ Mean GI ≤ 2.0) and mean Plaque Index (PI) ≥ 1.5 at screening and baseline. * Not have had a scale and prophylaxis in the month prior to enrolment or have one scheduled prior to the end of the study. * Be willing to use only the test products for 6 months, after brushing with the products on site. * Brush teeth twice daily (once in the morning and once at night). Exclusion Criteria: * Pregnant or breast feeding mothers. * Subjects who participated in gum health study within 3 months prior to screening. * Current participation in any other cosmetic trials, any dental clinical trials or clinical trials. * Subjects who have used gum health products in the 4 weeks prior to screening. * Obvious signs of untreated caries or significant periodontal disease, which in the opinion of the study dentist, will affect either the scientific validity of the study or if the participant was to participate in the study would affect their wellbeing. * Full or partial dentures wearers. * Current orthodontic treatment. * Smokers or those who have a recent smoking history, including e-cigarettes. * Diabetics. * Medical condition and/or regular use of any medication which might affect the outcome of the study, as determined by the study dentist, principally a course of anti-inflammatory, antimicrobial or statin drugs within 4 weeks of screening. * Taking dietary supplements (e.g. multivitamins, antioxidants, fish oils, etc.). * Vegetarians and Vegans. * Allergic to any ingredient of study products. * The subject is a Unilever employee or a member of the study team. * Any participant who, in the judgement of the investigator, should not participate in the study.