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Register a new userThe 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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إن القوى الناتجة عن التوسيع الفكي السريع لا تتركز فقط على توسيع الفك العلوي إنما تحدث تغيرات مرافقة في الدروز الفكية الوجهية و من هنا ظهر هدف البحث في تحري تأثير التوسيع الفكي السريع على الالتحام الغضروفي الوتدي القذالي عند الأطفال بواسطة التصوير المقطعي المحوسب ذي الحزمة المخروطية.
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).
Objective: This research aimed to evaluate the three-dimensional
effects of a Twin Block (TB) appliance on the pharyngeal airway
passage (PAP) in a sample of Class II patients with mandibular
retrusion using cone-beam computed tomography (CBCT).
Success clinical attempts have been carried out to support fixed functional
appliances by using skeletal anchor plates placed in the symphysis to avoid mandibular incisors
protrusion.
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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