https://www.mouthhealthy.org/en/az-topics/g/gum-disease?utm_source=social&utm_medium=facebook&utm_content=gumdisease&fbclid=IwAR3OQSIFlCga4ZyLwZv-u6EuTkOwf4qtGtGSYeQUfs1FDIeUyAJ0Dj8RqkI
https://www.colgate.com/en-us/oral-health/conditions/dry-mouth/ada-05-dry-mouth?fbclid=IwAR2jmLqkKUwAO8WV4xpSy9STa-AyzNt0GAo5qe-VjqAParBx4DgDj9HjAfU
https://www.onhealth.com/content/1/health_breath_oral_dental
https://www.onhealth.com/content/1/toothbrush_germs_facts
https://youtu.be/QvxgxJQj4FQ
https://www.youtube.com/watch?v=0-TmzH6dkUE
https://www.dentalhealth.org/news/which-comes-first-brushing-or-flossing-new-study-shows-that-we-should-clean-between-our-teeth-before-brushing
https://www.bustle.com/p/what-happens-if-you-dont-change-your-toothbrush-enough-theres-a-host-of-gross-af-issues-waiting-to-happen-7519353