Surgical treatment of class II dento-facial deformity during adolescence: Long-term follow-up.
OBJECTIVE
The purpose of this study is to evaluate the long-term stability of patients operated during adolescence on the base of clinical measurements and cephalometric analysis. Although, the potential benefits of early orthognathic surgery are known to be a reduction in treatment times and a greater healing potential leading to a better adaptation and stability of the occlusion, muscles, bones and joints, no consensus can be found in literature on the minimum age for surgical correction.


METHODS
In this study, thirty patients (age ≤ 15) with a class II dento-skeletal malocclusion were selected, of which 11 having a hyperdivergent (II,1) and 19 a hypodivergent (II,2) growth pattern, representing 2 distinct groups with a different treatment plan and long-term behavior.


CONCLUSIONS
Observing the performance of all parameters over-time, it is seen that subjects belonging to division II,2 have a modification of the growth vectors maintaining the harmonious development between the jaws and the facial aesthetics. Less predictable is the trend in hyperdivergent patients, which are more prone to relapse in the long-term. Early surgery in these patients should be considered in the light of the degree of deformity and its influence felt by the patient on his development of self-image and interpersonal relationship.
Department of Cranio-Maxillofacial Surgery, University of Antwerp, AZ MONICA Antwerp, Harmoniestraat 68, 2018 Antwerp, Belgium; Department of Maxillofacial Surgery, Ospedale dell' Angelo di Mestre, via Paccagnella 11, 30174 Venezia, Italy.
Sara
S
Marangoni
Department of Cranio-Maxillofacial Surgery, University of Antwerp, AZ MONICA Antwerp, Harmoniestraat 68, 2018 Antwerp, Belgium; All for Research vzw, Harmoniestraat 68, 2018 Antwerp, Belgium.
Elke
E
Van de Casteele
Department of Cardiac, Thoracic and Vascular Sciences, Medical Statistics, University of Padova, Italy.
Anna Chiara
AC
Frigo
Department of Maxillofacial Surgery, University of Padova, Policlinico Universitario di Padova, via Giustiani 2, 35100 Padova, Italy.
Stefano
S
Fusetti
Department of Cranio-Maxillofacial Surgery, University of Antwerp, AZ MONICA Antwerp, Harmoniestraat 68, 2018 Antwerp, Belgium. Electronic address: nasser@nadjmi.com.
Nasser
N
Nadjmi
D000293:Adolescent; D002508:Cephalometry / Q000379:methods; D063169:Dentofacial Deformities / Q000473:pathology / Q000601:surgery*; D005145:Face / Q000033:anatomy & histology* / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008312:Malocclusion, Angle Class II / Q000601:surgery*; D008445:Maxillofacial Development; D056948:Orthognathic Surgical Procedures; D014716:Vertical Dimension
Adolescent growth and development; Angle class II malocclusion; Long-term stability; Orthognathic surgery