Disease analysis: generally caused by the following factors: 1. Poor oral hygiene: the temperature and humidity in the oral cavity are most suitable for the reproduction of bacteria, and food residues or sugar substances accumulate between the teeth and the tooth surface, which is prone to dental caries and periodontal disease. These bad factors are very irritating, and you will drool when you sleep. Second, the front teeth are deformed: this may be due to acquired bad habits caused by genetic factors, such as biting nails, sticking out your tongue, biting pencils, etc. , causing the front teeth to deform and drool when sleeping. Third, neuromodulation disorder: the regulation of saliva secretion is completely reflective.

Suggestion: It is suggested that everyone should pay attention to the combination of work and rest, eat more vegetables and fruits containing vitamins, drink more water and drink less sweet and sour drinks, eat less spicy fried food, smoke and drink less, and pay attention to self-psychological adjustment.