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The Effect of Rapid Maxillary Expansion on the Spheno-occipital Synchondrosis in Children using Cone Beam Computed Tomography

تأثير التوسيع الفكي السريع على الالتحام الغضروفي الوتدي القذالي عند الأطفال بواسطة التصوير المقطعي المحوسب ذي الحزمة المخروطية

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 Publication date 2017
and research's language is العربية
 Created by Shamra Editor




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The RME force is not only concentrated on widening the maxilla, it is concomitant changes occur in craniofacial sutures, from here the need for this study was originated. Aim of the study: To investigate the immediate effect of rapid maxillary expansion on the spheno-occipital Synchondrosis in children using cone beam computed tomography.



References used
Baccetti, T. , L. Franchi , and J. A. McNamara Jr . Treatment and posttreatment craniofacial changes after rapid maxillary expansion and facemask therapy. Am J Orthod Dentofacial Orthop 2000. 118:404–413
Angle, E. (1860). "Treatment of irregularity of the permanent or adult teeth." Dental Cosmos 1(1): 540-544
Haas, A. J. (1961). "Rapid expansion of the maxillary dental arch and nasal cavity by opening the midpalatal suture." The Angle Orthodontist 31(2): 73-90
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In this study, 24 patients with posterior skeletal cross-bite were treated at Orthodontics Department-Faculty of Dentistry in Hama University. Hyrax expansion device was applied in all patients and the results were assessed after active expansion period. Cone beam computed tomography radiograph were taken at the assessment times. Results showed that the midpalatal suture width has increased significantly at all measured areas. The results revealed that significant tipping in the canines , premolars and molars was recorded in this study.
It is difficult to choose between the rapid maxillary expansion (RME) and surgically assisted RME (SARME), we aimed to study the relationship between the obliteration index in midpalatal suture and cervical vertebral maturation staging (CVMs).
Maxillary sinus augmentation is frequently necessary before placement of dental implants in the posterior maxilla. Besides autogenous bone graft, various bone substitutes have been used widely to augment the maxillary sinus,successful bone augmenta tion in the maxillary sinus without bone grafting and osseointegration of implants have been reported in several studies, recently, successful bone reformation in the sinus using autologous platelet-rich fibrin (PRF) concentrateas an alternative to bone grafting has been reported. The aim of this study: was to assess the useof PRF clots and membranes as the sole filling material during a lateral sinus lift with immediate implantation using radiologic exam (cone beam ct).
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