The definition of healing mainly depends on what tissue is injured. This is "a little deep" and too China, similar to cooking with a little salt. I would like to advise you netizens that this kind of injury that you can't guess if you want to break your head is not as good as a photo.

As for your concern, on the whole, it didn't hurt the labial ligament. This can be seen intuitively and will not cause an organic quarrel.

But I may be worried that the muscle coordination caused by habitual movements will lead to many people. Just pay attention to correcting your child's habits at ordinary times.