Keeping your oral cavity (mouth) clean could benefit you in many ways and avoid infections such as gingivitis along with preventing tooth decay. Brush your teeth and clean your oral cavity at least twice daily, that is, before eating in the mornings (as soon as you wake up to avoid swallowing the saliva that was in your mouth the entire night), and before going to bed. Also, remember to clean your tongue and the inside of your cheeks, then rinse with clean water (you could even add a ¼ teaspoon of salt to a ¼ cup of warm water, and gargle if you have a slight sore throat, then expectorate the water; do not swallow).
When finished brushing your teeth, always make sure that you shake the water off the toothbrush after rinsing it; this will ensure that there is no moisture on the bristles that could provide an environment to harbor bacteria. Semi-annual visits to the dentist are important for everyone especially those diagnosed with diabetes; healthy habits lead to the prevention of illnesses, and is particularity important during this pandemic of COVID-19 with the worse outcomes noted for people with high blood glucose values and other chronic illnesses. Stay healthy and safe.