More file 7: Desk S7. Epidemiological/medical studies investigating the association amongst snus use and periodontal disorder and/or gingival condition. Extra file 7: Table S7. Epidemiological/medical reports investigating the association amongst snus use and periodontal disease and/or gingival sickness. Snus got its begin in Sweden as a method to preserve tobacco. https://travialist.com/story7096549/the-best-side-of-nicotine