There are 3 types of protrusion: lips, teeth, and gums. I have my mouth open when I sleep regardless of my will to protrude the upper teeth. I hate the profile of my lips. I decided to correct the complex for the rest of my life. Cons ) *There are various reasons for frequent dental visits in the early days, such as missing orthodontic appliance, missing puncture site, etc. Worried about getting disturbed *The roof of the mouth and lips are screwed in, but the duration is more painful than the time of screwing Screw--Uncomfortable *It still hurts because the inside of the mouth is torn, but it feels less painful than the first. I dont eat anything and I feel weaker than before *The nasolabial folds are definitely getting thicker *After eating, the greens are knotted and twisted with iron, and I cant open my mouth right away after eating. *Dentist was the scariest place in my life to the point where I sweat so much that I get cold sweats when I go to the dentist, but the more I go in and out, the more fear disappears. 30 Worried about orthodontics for 10 years because I am afraid of dentistry! There are many disadvantages, but if it is an extreme complex, correction is the answer. I am beautiful, but it is not free, and the process is very difficult.