You can brush your teeth for gastroscopy, but you should avoid water entering the stomach, and pay attention to dietary improvement before the examination to maintain an empty stomach, which is conducive to the direct observation of mucosal lesions.
Gastroscopy can visualize mucosal lesions in the stomach, duodenal bulb and other parts of the stomach. Brushing teeth before gastroscopy has no effect on gastroscopy, but it is important to avoid water getting into the stomach. The morning of the gastroscopy is forbidden to eat and drink, keeping an empty stomach to fully expose the mucosa of the digestive tract so as not to affect the observation results.
Before doing gastroscopy, you should pay attention to dietary adjustments, you can eat steamed bread, rice and other easily digestible food, avoid fatty meat and other greasy and difficult to digest food. 6-8 hours before the examination should be prohibited from eating and drinking, to ensure that the food is fully digested and absorbed, which is conducive to gastric emptying, and facilitates the direct observation of gastric mucosal surface lesions and so on.
If you need to do gastroscopy, you should make an appointment to communicate with your doctor in advance, make preparations under your doctor’s guidance, and pay attention to adjusting your medication as well as your diet, so as not to affect the results of the examination.