Functional devices

Functional appliances or functional appliances aim to address problems related to the positions of the upper and lower jaws and to correct and improve dental occlusion with the help of a pair of removable plastic appliances that rely on the use of facial and jaw muscles, and these devices are usually used before fixed braces in order to reduce the existing discrepancy between the jaws and teeth; It depends on the patient’s natural growth potential to make a difference, and therefore the best results of these devices are when used for patients in the stage of tooth growth, and therefore they are not used by adults.[8]