Not brushing your teeth overnight will not breed Helicobacter pylori, and there is no direct relationship between the two.
One night without brushing will lead to daytime eating residues of food left in the teeth gap, over time there will be dental calculus, dental calculus on the gums, periodontal long-term stimulation, will cause gingivitis, periodontitis, long-term caries and tooth loss.
Helicobacter pylori is mainly infected through oral, fecal, medical and other ways, such as sharing dishes and utensils with infected people; contacting the feces of infected people, not washing hands in time, and causing infection through eating; or hospital infection prevention and control is not strict, and the disinfection of examination instruments used by infected people is not thorough, and then applying them to other people again, which will cause Helicobacter pylori infection.
It is recommended to develop good living habits and seek timely medical attention when discomfort occurs.