https://www.news-medical.net/health/Tooth-Erosion-Causes.aspx
https://youtu.be/o6Gw6vU9gsw
https://dentalsignal.com/all-about-water-flossing/
https://www.usnews.com/news/health-news/articles/2021-02-09/add-gum-disease-to-list-of-risk-factors-for-severe-covid-19?src=usn_fb&fbclid=IwAR0G8g6i-93_ZURnvuvjZOX7xv011VpIfG7ydQDF193jJe2KJQPs4Bnr7PI