Benefits of Washing Mouth

First the hands are washed therefore they become clean from bacteria. If the hands were not washed, the bacteria would travel into the stomach via the mouth producing many illnesses in the stomach. Due to the air, many germs travel into our mouth and some bacteria stay in the mouth and some bacteria stay in the mouth from bits of food left in between the teeth. By washing the mouth and using Miswaak, the bacteria will remove. If the mouth is not cleaned, one can be affected from the following illnesses – (1) one of the first signs of aids is the swelling of the mouth (2) edges of the mouth splitting (3) moniliasis of the mouth and lips (4) mouth becomes sore etc. If the person is not fasting, it is Sunnah to gargle the one who gargles water will not get tonsillitis and he will be saved from many throat illnesses including cancer in the throat.