Abstract
This case report describes the orthodontic treatment of a 32-year-old woman with a Class III malocclusion, whose chief compliant was her dentofacial esthetics. The pretreatment lateral cephalometric tracings showed the presence of a Class III dentoskeletal malocclusion with components of maxillary deficiency. After discussion with the patient, the treatment option included surgically assisted rapid maxillary expansion (SARME) followed by orthopedic protraction (Sky Hook) and Class III elastics. Patient compliance was excellent and satisfactory dentofacial esthetics was achieved after treatment completion.
Highlights
Potpeschnigg16 (1875) first described the protraction facemask in 1875 and Delaire, et al.4 (1976) revived the interest in maxillary protraction 100 years later
Protraction facemask in conjunction with a maxillary expansion appliance has been used to correct malocclusions associated with PD[LOODU\ GH¿FLHQF\ DQGRU PDQGLEXODU SURJQDWKLVP disarticulating maxillary sutures and allowing an HI¿FLHQW IRUZDUG SURWUDFWLRQ RI WKH PD[LOOD11-14,19
This paper presents the case of an adult patient with Class III malocclusion who was reluctant to undergo orthognatic surgery, as was treated with surgically assisted rapid maxillary expansion (SARME) followed by maxillary orthopedic protraction
Summary
Potpeschnigg (1875) first described the protraction facemask in 1875 and Delaire, et al. (1976) revived the interest in maxillary protraction 100 years later. Overall treatment goals consisted of correcting the compensatory tipping of the mandibular incisors and the A-P basal relationship by advancing the maxilla These changes were expected to greatly improve the patient’s facial esthetics. The third option consisted of surgically assisted maxillary expansion followed by orthopedic protraction and A-P discrepancy correction by means of maxillary and mandibular dentoalveolar compensation. The patient chose the third option because she thought that the possible esthetic improvement with surgery was not worth the high cost and risk She was reluctant to undergo extensive surgical procedures and was willing to accept a less-thanideal result. Orthodontic treatment with maxillary expansion followed by orthopedic protraction with Sky Hook appliance was performed to correct the inadequate occlusal relationship and to improve her facial esthetics. Minimum anteroposterior changes of incisor position and maxillary protraction relapse can be observed
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