Interesting review article. More research is needed.

Patients with a lower dietary intake or lower blood level of vitamin C showed a greater progression of periodontal disease.

Great study but be careful with eucalyptus remedies.  Ingesting even a small amount can be harmful so it is best left to professionally manufactured products.

The preliminary findings:

Psychological stress can down-regulate the cellular immune response. Excellent article here:

Medicinal versus herbal mouthwashes:

“ Scientists have demonstrated that certain of its compounds inhibit sucrose adherence and glucan-induced aggregation, processes known to encourage the bacterial colonisation of the tooth surface which is responsible for tooth decay” Click the image below to read the full article.