1. "Health benefits of xylitol", available at:
https://pubmed.ncbi.nlm.nih.gov/32638045/Appl Microbiol Biotechnol. 2020 Sep;104(17):7225-7237.doi: 10.1007/s00253-020-10708-7. Epub 2020 Jul 7.

2. “Science behind the human saliva”, available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3312700/

3. “Role of the human saliva in periodontal disease and health- a review”, available at: https://www.longdom.org/abstract/role-of-saliva-in-periodontal-health--disease-a-review-847.html

4. “Human Saliva as a Cleaning Agent for Dirty Surfaces”, available at: https://www.jstor.org/stable/1506167?seq=1

5. “How Toxic Foods Harm Your Teeth”, available at: https://versionweekly.com/health/how-toxic-foods-harm-your-teeth/

6. “Dentists warn that feelings could do more harm than good”, available at: https://dentallaboratory.org.uk/caring-for-your-dentures/dentists-warn-that-fillings-could-do-more-harm-than-good/

7. “Why Cavemen Teeth Were Healthier Than Hours”, available at: https://allthatsinteresting.com/cavemen-teeth

8. “Food Additives, Contaminants, Carcinogens, and Mutagens”, available at: https://www.ncbi.nlm.nih.gov/books/NBK216714/

9. “The Toxic Truth about Modern Food”, available at: https://www.theguardian.com/books/2019/mar/16/snack-attacks-the-toxic-truth-about-the-way-we-eat

10. “Gum Disease”, available at: https://www.healthlinkbc.ca/health-topics/hw146344

11. “Keep smiling: Collagen matrix promotes gum healing around exposed roots”, available at: https://www.sciencedaily.com/releases/2012/03/120305081419.htm

12. “9 Best Supplements to Boost Dental Health”, available at: https://www.absolutedental.com/blog/9-best-supplements-to-boost-dental-health/

13. “How to use home remedies to treat gingivitis”, available at: https://www.healthline.com/health/dental-and-oral-health/gingivitis-home-remedy

14. “Azadirachta indica: A herbal panacea in dentistry – An update”, available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4441161/

15. “Periodontitis Is Associated with a Low Concentration of Vitamin C in Plasma”, available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC193894/

16. “The antibacterial effect of sage extract (Salvia officinalis) mouthwash against Streptococcus mutans in dental plaque: a randomized clinical trial”, available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4676988/

17. “The role of calcium, vitamin D and phosphorus in maintaining healthy teeth”, available at: https://www.dhsv.org.au/dental-health/teeth-tips-and-facts/calcium-vitamin-d-and-phosphorus

18. “Vitamin K2 – the miracle vitamin for good teeth and bones”, available at: https://www.choice-dental.com.au/vitamin-k2-the-miracle-vitamin-for-good-teeth-and-bones/

19. “Dried licorice root prevents tooth decay and gum disease”, available at: https://zeenews.india.com/ayurveda/dried-licorice-root-prevents-tooth-decay-and-gum-disease-_1014.html

20. “Gums and your health”, available at: https://www.liverdoctor.com/gums-and-your-health/

21. “Xylitol: Everything you need to know”, available at: https://www.healthline.com/nutrition/xylitol-101#bottom-line

22. “6 essential oils for healthy gums and teeth”, available at: https://www.dentalgroupofamarillo.com/6-essential-oils-for-healthy-gums-and-teeth/