Altogether they work as a unit to bring the upper jaw forward and downward while restricting the growth of the lower jaw by taking anchorage from the forehead and chin. Hence, they bring harmony by matching the growth of the upper jaw with the lower jaw.
Early treatment can make future surgery less imposing even if you need surgery. Hence, it can reduce the need for orthognathic surgery.
Moreover, this can improve your child’s psychosocial development by removing the social barrier. School-growing kids are always under the influence of their peer group and will be more mentally down if bullied than adults. Also leaving these conditions untreated can cause permanent/irreversible changes in the gingiva, bone, and other supporting structures. Hence, it’s always recommended to get treatment as soon as you notice the changes.
Unless recommended by the dentist it’s not wise to skip wearing it even for a day as it’s best to wear it as much time as possible. Moreover, skipping can also result in reverting back to stage one. So it’s recommended to wear it for 8 to 12 hours during the evening and night for good results.