Reference policy

This library is organized by topic so each article can cite the most relevant primary or peer-reviewed source directly. We prefer primary regulatory sources and PubMed-indexed research over secondary summaries.

Probiotic science

Probiotics for managing caries and periodontitis: Systematic review and meta-analysisPrimary/peer-reviewed source ↗Clinical Efficacy of Probiotics on Oral Health: A Systematic Review of Clinical TrialsPrimary/peer-reviewed source ↗Effect of Probiotics Lactobacillus rhamnosus and Lactobacillus plantarum on Caries and Periodontal DiseasesPrimary/peer-reviewed source ↗Probiotics-containing beverages and dental caries: A systematic review and meta-analysisPrimary/peer-reviewed source ↗

Xylitol

Xylitol in preventing dental caries: A systematic review and meta-analysesPrimary/peer-reviewed source ↗Is xylitol effective in the prevention of dental caries? A systematic reviewPrimary/peer-reviewed source ↗Specific effects of xylitol chewing gum on mutans streptococci, plaque and cariesPrimary/peer-reviewed source ↗

Oral microbiome

The oral microbiome and human healthPrimary/peer-reviewed source ↗The oral microbiome: Role of key organisms and complex networks in oral health and diseasePrimary/peer-reviewed source ↗The Oral Microbiota, Its Evolution, and Aspects of Support for Oral HealthPrimary/peer-reviewed source ↗

Diet and caries

Effect on caries of restricting sugars intake: systematic review to inform WHO guidelinesPrimary/peer-reviewed source ↗Systematic Review of the Effect on Caries of Sugars Intake: Ten-Year UpdatePrimary/peer-reviewed source ↗The consumption of processed sugar- and starch-containing foods, and dental caries: a systematic reviewPrimary/peer-reviewed source ↗Role of nutrition in prevention of dental caries in children and adolescents: a systematic reviewPrimary/peer-reviewed source ↗Dietary factors in the prevention of dental caries: a systematic reviewPrimary/peer-reviewed source ↗

Oral hygiene

Caries-preventive effect of fluoride toothpaste: a systematic reviewPrimary/peer-reviewed source ↗Effect of Toothbrushing Frequency on Incidence and Increment of Dental CariesPrimary/peer-reviewed source ↗Efficacy of inter-dental mechanical plaque control in managing gingivitis — a meta-reviewPrimary/peer-reviewed source ↗The Effectiveness of Mouthwashes With Various Ingredients in Plaque ControlPrimary/peer-reviewed source ↗Essential oils mouthwash with or without alcohol: systematic review and meta-analysisPrimary/peer-reviewed source ↗

Dry mouth and halitosis

World Workshop on Oral Medicine VIII: Core outcome set for dry mouthPrimary/peer-reviewed source ↗Systematic Reviews on the Management of Xerostomia and Hyposalivation — Umbrella ReviewPrimary/peer-reviewed source ↗Aetiology and associations of halitosis: A systematic reviewPrimary/peer-reviewed source ↗

U.S. supplement regulation

FDA — Information for Consumers on Using Dietary SupplementsPrimary/peer-reviewed source ↗FDA 101: Dietary SupplementsPrimary/peer-reviewed source ↗FDA — Is It Really “FDA Approved”?Primary/peer-reviewed source ↗
Last source-library review: September 7, 2026. Dates should only be changed after a substantive source review.