Best Interventions for Oral Health, Ranked by Evidence

Every intervention Outliyr has scored for oral health, ranked by its BioHarmony score for this use case rather than its overall rating. The number beside each name is how well that one thing works for oral health; the tier beside it is what it is worth once safety, cost and effort are counted across everything else.

15 of 69 evaluated interventions score 3.0+ out of 10 for oral health · 1 comparison

Ranked for Oral Health

Category
  1. Red Light Therapy

    8.0 /10 for oral health 8.0/10 overall Strong recommend Light Therapy

    Dental-oral scores 8.0/10 because Red Light Therapy has a strong clinical niche in oral tissue, especially mucositis, periodontal support, and TMJ-adjacent pain protocols. The verified report pool includes WALT dosing recommendations, which…

    Read the Red Light Therapy report →
  2. Ozone Therapy

    6.5 /10 for oral health 5.1/10 overall Neutral Therapy & Modality

    Ozone Therapy is a 6.5/10 dental and oral health fit because Rezaeianjam 2025 reports Audit-corrected dental PMID replacing the v0.x mismatch; supports adjunctive dental use with caution for restorative dentistry and long-term…

    Read the Ozone Therapy report →
  3. Vitamin D3 + K2

    6.0 /10 for oral health 7.8/10 overall Strong recommend Vitamin & Mineral & Nutrient

    Vitamin D3 + K2 dental oral earns 6.0/10 because Knapen 2013 anchors the most relevant signal. Vitamin D3 + K2 fits dental oral when deficiency, bone risk, immune seasonality, or fat-soluble nutrient…

    Read the Vitamin D3 + K2 report →
  4. Hyperbaric Oxygen Therapy

    5.8 /10 for oral health 6.2/10 overall Worth trying Hyperbaric

    Dental and oral relevance is strongest for osteoradionecrosis, mandibular radiation injury, and surgical complication reduction in irradiated tissue. Bennett 2023 supports adjunctive use for late radiation injury contexts. This is not a…

    Read the Hyperbaric Oxygen Therapy report →
  5. Lactoferrin

    5.5 /10 for oral health 7.3/10 overall Strong recommend Vitamin & Mineral & Nutrient

    The evidence-weighted call is 5.5/10 for Lactoferrin in dental oral, led by Sachdeva and Nagpal 2009. Dental-oral evidence is promising but not mature. Lactoferrin can inhibit microbial growth, biofilm behavior, and inflammatory…

    Read the Lactoferrin report →
  6. Essential Amino Acids

    4.5 /10 for oral health 8.0/10 overall Strong recommend Amino Acid

    No direct dental or oral-health evidence was verified. General protein adequacy can matter for healing, but EAA-specific claims are unsupported.

    Read the Essential Amino Acids report →
  7. Glycine

    4.5 /10 for oral health 7.9/10 overall Strong recommend Vitamin & Mineral & Nutrient

    No direct dental or oral-health RCT evidence for glycine supplementation.

    Read the Glycine report →
  8. Semaglutide

    4.5 /10 for oral health 6.0/10 overall Worth trying Metabolic & Incretin Peptide

    No direct oral-health benefit exists, and nausea or vomiting can worsen enamel exposure in susceptible users.

    Read the Semaglutide report →
  9. Collagen Peptides

    4.0 /10 for oral health 7.6/10 overall Strong recommend Amino Acid

    Collagen peptides may support periodontal ligament and gingival connective tissue, and collagen matrices have dental applications. Oral supplementation evidence remains small and adjunctive.

    Read the Collagen Peptides report →
  10. Whole-Body Vibration

    4.0 /10 for oral health 7.3/10 overall Strong recommend Other Device

    No evidence. Dental and oral-health claims should not be made for whole-body vibration.

    Read the Whole-Body Vibration report →
  11. Metformin

    4.0 /10 for oral health 6.9/10 overall Worth trying Other Pharmaceutical

    No meaningful dental or oral-health indication exists for metformin. Better glycemic control can reduce diabetes-related periodontal risk indirectly, but that is not a direct oral intervention.

    Read the Metformin report →
  12. Ca-AKG (Calcium Alpha-Ketoglutarate)

    4.0 /10 for oral health 6.5/10 overall Worth trying Vitamin & Mineral & Nutrient

    No dental or oral-health evidence.

    Read the Ca-AKG (Calcium Alpha-Ketoglutarate) report →
  13. Rapamycin

    3.9 /10 for oral health 6.8/10 overall Worth trying Pharmaceutical & Drug

    INSUFFICIENT_EVIDENCE for dental benefit; mouth ulcers and oral-health adverse monitoring are more relevant than upside.

    Read the Rapamycin report →
  14. Curcumin

    3.0 /10 for oral health 6.5/10 overall Worth trying Botanical Extract (non-adaptogenic)

    Some small trials for oral lichen planus and gingivitis, mostly topical and underpowered.

    Read the Curcumin report →
  15. Tirzepatide

    3.0 /10 for oral health 6.1/10 overall Worth trying Metabolic & Incretin Peptide

    No direct dental or oral health benefit exists for tirzepatide. Nausea, vomiting, reflux, reduced intake, dry mouth, and dietary changes could plausibly worsen oral comfort. Susceptible users may experience enamel exposure with…

    Read the Tirzepatide report →

Comparisons that judge oral health

Head-to-head reports and category rankings that name a winner on this use case.

Questions about oral health

What scores highest for oral health?

Red Light Therapy, at 8.0 out of 10 for oral health. Dental-oral scores 8.0/10 because Red Light Therapy has a strong clinical niche in oral tissue, especially mucositis, periodontal support, and TMJ-adjacent pain protocols.

What is the cheapest thing that works for oral health?

Of the top-scoring options, Glycine is the least expensive at about $2 a month, scoring 4.5 out of 10 for oral health.

How many interventions has Outliyr scored for oral health?

15 of the 69 interventions evaluated for oral health score 3.0 out of 10 or better, which is the cut-off for appearing on this page.