Treatment of the Mandibular Dental Crowding With and Without Corticotomy Surgery

"The surgery of corticotomy is performed with a piezo electric device and a personalized surgical guide just before the placement of orthodontic appliance. The initial impressions of the patient's dental arch as well as its three-dimensional radiography (CBCT) are used to create a perfectly adapted guide for minimally invasive corticotomy surgery.~The incisions are made between the roots of:~* the second premolars and first premolars,~* the first lower premolars and canines,~* the canines and lateral incisors,~* the lateral incisors and central incisors, and,~* the two lower central incisors."