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How to judge whether the gelatin sponge has fallen off?
Observe the braces to see if there are any white objects. According to query 39, Health Network shows.

1. Observe the tooth socket: It is necessary to observe the tooth socket when taking out the gelatin sponge after tooth extraction. After falling, a blood clot will form inside the tooth socket, and there will be no blood clot without falling off.

2. Observe whether there are white objects: the gelatin sponge is white, and the gelatin sponge is insoluble in water. If there is a white object, the gelatin sponge falls, and if not, it does not fall.