scholarly journals Orthodontic Treatment Combined with Mandibular Distraction Osteogenesis and Changes in Stomatognathic Function

2008 ◽  
Vol 78 (6) ◽  
pp. 1125-1132 ◽  
Author(s):  
Aya Maeda ◽  
Kazuhisa Soejima ◽  
Mikinori Ogura ◽  
Haruhito Ohmure ◽  
Kazumasa Sugihara ◽  
...  

Abstract We performed an orthodontic treatment combined with mandibular distraction osteogenesis in a 15-year-old patient who wanted a correction of a chin deficiency and a protruding upper lip. The patient had an Angle Class II division 1 malocclusion with mandibular retrusion, a low mandibular plane angle, and scissors bite. First, a quad-helix appliance was applied to the mandibular dentition to correct the scissors bite in the bilateral premolar region. Later, a preadjusted edgewise appliance was applied to the maxillary and mandibular teeth. After 3 days, a mandibular distraction osteogenesis was performed. During and after the distraction, the open bite between the upper and lower dental arches was corrected using up and down elastics. The total treatment time with the edgewise appliance was 14 months. A skeletal Class I apical base relationship, good facial profile, and optimum intercuspation of the teeth were achieved with the treatment. The jaw-movement pattern on the frontal view did not change during gum chewing. However, the maximum gap without pain increased. The electromyographic (EMG) activity of the masseter and anterior temporalis muscles, and maximum occlusal force increased. The present case report suggests that an orthodontic treatment combined with mandibular distraction osteogenesis in a patient with mandibular retrusion in the late growth period might be effective for improving stomatognathic function.

2021 ◽  
Vol 11 (9) ◽  
pp. 4118
Author(s):  
Suen A. N. Lie ◽  
Britt H. B. T. Engelen ◽  
Veronique C. M. L. Timmer ◽  
Nico M. P. Vrijens ◽  
Paolo Asperio ◽  
...  

Background: Dental Class II is the most common indication for combined orthodontic-orthognathic treatment. Intermolar mandibular distraction osteogenesis (IMDO) treatment was performed during the growth spurt, to avoid surgery at a later age. The aim of this study is to present our first experience with IMDO. Methods: This is a retrospective case series of patients who underwent an IMDO. All patients showed mandibular retrognathism, and orthodontic treatment with functional appliances was not successful. Results: In total, 20 patients (mean age of 14.8 years (SD = 0.9 ys) were included. All patients achieved a Class I occlusion. An average length gain of 9.6 mm (SD = 3.7 mm) was reached. In one patient an abscess occurred. Nine patients presented with root fractures of the second molar; three were lost, one treated endodontically. The average time between insertion and removal of the distractors was 4.6 months (SD = 1.5 mths). In one case a premature consolidation was seen. Conclusion: We achieved satisfactory results with IMDO, although undesirable effects occurred. An advantage is the manageable overall treatment time. Open questions concern the occurrence of root fractures. Furthermore, the question of long-term stability is open. The question of dynamic distraction treatment in relation to temporomandibular joint changes can only be answered in the long term.


Author(s):  
Alexandr L. Ivanov ◽  
G. Yu Chikurov ◽  
N. V Starikova ◽  
A. G Nadtochiy ◽  
P. I Agapov

Aim: improvement of mandibular distraction osteogenesis and rehabilitation algorithm of patients with combined jaws deformities caused by mandible hypoplasia. Matherial and methods: we report treatment results of 6 patients with the combined jaws deformities and mandible hypoplasia (developmental and congenital). All of the patients have undergone Steiner cephalometric analysis on the presurgical stage, after mandible distraction osteogenesis (DO) and after orthognathic surgery. The assessment of callus formation was done by ultrasound. All patients have undergone orthodontic treatment during retention period after distraction. The need of orthognathic surgery was defined at the end of retention period. Final evaluation was provided accordingly to functional and esthetic results. Results. Distration speed adjustments were the case in 5 patients to get normotrophic type of bone regeneration. Mean allongation was 175 mm. All of the patients had fully matured bony regenerate after mandibular distraction. That gave the opportunity to provide bimaxillary ortognathic surgery and genioplasty simultaneously with distractors removement in 3 patients. In 2 patients was performed only genioplasty with distractors removement. In 1 case with preoperative distraction computer planning there was no need of any additional surgical procedures. Acceptable functional and esthetic results were achieved after DO and orthodontic treatment. Conclusion. The combination of surgical methods (DO and ortognathic surgery) and early orthodontic treatment allow complete recovery. Use of sophisticated algorithm of DO, including computer planning, conservative surgical methods and curvilinear distractors as well as the ultrasonic assessment of distraction, allow to get fully matured bone regenerate and predictable treatment results in all cases. Sometimes the DO alone permits to avoid additional surgical procedures.


2021 ◽  
pp. 105566562110118
Author(s):  
Darren B. Abbas ◽  
Christopher Lavin ◽  
Evan J. Fahy ◽  
HyeRan Choo ◽  
Mai Thy Truong ◽  
...  

Objective: Mandibular distraction osteogenesis (MDO) is frequently performed to address airway obstruction in patients with Pierre Robin sequence (PRS), though more recently the technique of orthodontic airway plating (OAP) has gained traction. We aimed to evaluate OAP compared to MDO for airway obstruction in PRS. Design: A systematic literature search across PubMed, Embase, and Google Scholar identified all studies published in English, which involved MDO or any form of OAP as treatments for PRS. All relevant articles were reviewed in detail and reported on, adhering to PRISMA guidelines. Main Outcome Measures: Airway (tracheostomy avoidance, decannulation rate), feeding (full oral feeding tolerance). Results: Literature search identified 970 articles, of which 42 MDO studies and 9 OAP studies met criteria for review. A total of 1159 individuals were treated with MDO, and 322 individuals were treated with OAP. Primary outcomes appear similar for MDO and OAP at face value; however, this must be interpreted with different pretreatment contexts in mind. Conclusions: Orthodontic airway plating may be considered for airway obstruction in PRS, as some airway-related and feeding-related outcomes appear similar with MDO, per existing evidence in the literature. However, since PRS severity differed between studies, OAP cannot be uniformly considered a replacement for MDO. Further research is required to more comprehensively assess these treatment modalities inclusive of metrics that allow for direct comparison.


2006 ◽  
Vol 11 (2) ◽  
pp. 51-62 ◽  
Author(s):  
Michael Meehan ◽  
Dan Morris ◽  
Calvin R. Maurer ◽  
Anuja K. Antony ◽  
Federico Barbagli ◽  
...  

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