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Register a new userSoft Tissue Profile Vertical Changes Associated With the Maxillay Advancement by Using Zygoma Anchored External Distraction Osteogenesis Device for Treatment of Maxillary Hypoplasia
تغيرات الأنسجة الوجهية الرخوة في المستوى العمودي المرافقة لتقديم الفك العلوي باستخدام جهاز التشكل العظمي بالشد خارج الفموي ذي الاستناد الوجني في معالجة ضمور الفك العلوي
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هيثم بحاح( باحث )
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هدفت هذه الدراسة إلى تقييم بعض تغيرات الأنسجة الوجهية الرخوة في المستوى العمودي المصاحبة لتقديم الفك العلوي باستخدام جهاز التشكل العظمي بالشد خارج الفموي ذي الاستناد الوجني من خلال الصور السيفالومترك الجانبيية، و هي تغير البعد العمودي لذروة الأنف، و تغير البعد العمودي للنقطة Vl و تغير البعد العمودي للنقطة Pog`.
to evaluate the immediate craniofacial vertical changes associated with the maxillary advancement by using zygoma anchored external distraction osteogenesis device regarding to Prn height , Vl height and, Pog` height .
References used
Bardach J, Salyer EK: Surgical techniques in cleft lip and palate.St Louis, MO, Mosby, 1991 :p150-161 2.Ross RB: Treatment variables affecting facial growth in completeunilater al cleft lip and palate: An overview of treatmentand facial growth. Cleft Palate Craniofac J,1987. 24:p71
Rachmiel A: Treatment of Maxillary Cleft Palate: Distraction Osteogenesis Versus Orthognathic Surgery— Part One:Maxillary Distraction.J Oral MaxillaofacSurg,2007.65:p753-757
Maegawa J, Sells RK, David DJ: Speech changes after maxillaryadvancement in 40 cleft lip and palate patients. J Craniofac Surg 1998, 9:177
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The current study aimed to examine the effects of the modified tandem
appliance on the dimensions of the airways.
Pretreatment and post-treatment cephalograms of twelve patients with
maxillary deficiency, (7 girls, 5 boys; mean age 8±0.5 years), w
ho were
seeking treatment at the Department of Orthodontics, Damascus
University, were studied. These patients were treated using the modified
tandem appliance with rapid maxillary expansion.
Orthodontic treatment is considered successful only if optimal esthetic and
function are achieved.The objective of this study was to compare facial soft tissue profile changes
produced by a new technique (elastic forces based on skeletal anchorage
mini-plates) with changes
produced by conventional class-II elastic forces.
The purpose of this study was to evaluate the esthetic changes
following functional and camouflage treatment in Class II Division 1
malocclusion patients.
Methods: cephalograms of 35 patients had Class II Division 1were selected.
Those in group 1
(n=15) were treated with functional appliance, and those in
group 2 (n= 20) were treated with fixed orthodontic appliance after
premolar extractions. 35 cephalometric variables were selected to evaluate
the esthetic changes following the orthodontic treatment.
Dependent t tests were used to compare the cephalometric variables at the
posttreatment stage and the cephalometric variables at the pretreatment
stage in each group, and Independent t tests were used to compare the
changes in cephalometric variables caused by the orthodontic treatment
between the groups.
The constriction of Maxilla is considered a common disorder in daily clinical
practice; which is usually accompanied with narrow nasal cavity. Many techniques are used to expand
constricted maxilla; such as slow maxillary expansion and rapid maxill
ary expansion.
The aim of this study is to evaluate changes in nasal cavity width after slow maxillary expansion by using
Spring Jet II expander in late mixed dentition; and to compare them with changes caused by rapid
maxillary expansion using Hyrax expander .
Maxillary stenosis is a common skeletal disorder. There are many surgical techniques used to treat maxillary stenosis in adults. One of these techniques is the surgically assisted maxillary expansion technique, around which studies differed in terms of surgical technique and the resulting structural and alveolar effects.
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