1-Why does the color of the gums change to red?
There are many reasons that cause discoloration of the mouth, but the most important of them are infection and bacteria that enter the mouth.
2-Why does saliva decrease when we sleep with our mouths open?
In general, less saliva is produced during sleep, but when the mouth is open and you are asleep, air enters the mouth and the mouth becomes dry.
3-Why does sleeping with an open mouth cause cracks in your lips?
When the mouth is open, cold, dry air enters the lungs, causing a dry mouth and chapped lips.
4-Why do people who sleep with open mouths suffer from bad breath?
Because of the presence of aerobic bacteria that enter the digestive system and mouth and cause bad breath.
5-Why does sleeping with an open mouth cause tooth decay?
Saliva removes acids and protects tooth enamel. When the mouth is opened, saliva decreases and the number of bacteria that cause tooth decay increases.
