1, because the surgical incision is in the oral cavity, keep the oral cavity clean 3 days before operation and rinse your mouth with mouthwash. Eat more foods or fruits rich in vitamins, and eat less spicy and irritating foods.
2. Quit smoking and drinking before operation 1 week to prevent colds and respiratory infections. Avoid using aspirin, birth control pills and some anti-inflammatory drugs that will increase bleeding before operation 1 week.
3. Patients should be in good health, and have no organic diseases of important organs, such as heart disease, hepatitis, nephritis, pneumonia and other diseases, and no source of oral infection. Female surgery should avoid menstrual period.
4. Fasting 12 hours before operation, drinking for 8 hours, and taking sedatives orally one night before operation to ensure adequate sleep.