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Register a new userEvaluation The Changes Of Airway Dimensions Following Functional And Camouflage Orthodontic Treatment In Class II Division I Malocclosion- Rétrospective Study: A Lateral Cephalometric Study
تقييم تغيرات أبعاد المجرى التنفسي التالي للمعالجة التقويمية الوظيفية و التمويهية لسوء الإطباق من الصنف الثاني نموذج أول دراسة شعاعية جانبية استعادية
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Added by
Damascus University ورقة بحثية
Publication date
2009
fields
Dentistry
and research's language is
العربية
Created by
Shamra Editor
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تهدف المعالجة التقويمية إلى المعالجة السببية لسوء الإطباق لضمان ثبات نتائج المعالجة التقويمية، و من ثَم كان هدف هذه الدراسة تقييم تغيرات أبعاد المجرى التنفسي التالي للمعالجة التقويمية الوظيفية و التمويهية لسوء الإطباق من الصنف الثاني نموذج أول لمعرفة أي الطريقتين ذات أثر أفضل في أبعاد المجرى التنفسي.
The purpose of this study was to evaluate the changes of airway dimensions following functional and camouflage treatment in Class II Division 1 malocclusion.
References used
Ricketts R.M, The interdependence of the nasal and oral capsules. In: J.A. McNamara, Editor, Naso-Respiratory Function and Craniofacial Growth, University of Michigan Press, Ann Arbor, MI (1979 165–198
Schulhof R.J, Consideration of airway in orthodontics. J Clin Orthod (1978) 12, 440– 444
Marks M.B, Allergy in relation to orofacial dental abnormalities: A review. J Allergy (1965) 36, 293–302
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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.
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).
Since early Orthodontics, one of the main concerns is to correct Skeletal
Class II. For this Purpose they designed different functional appliances, and
performed many cephalometric studies to evaluate treatment results for
these appliances on dent
ofacial complex. Our clinical experience, show the
ability of treatment of preadolescents by advancement the mandible in
skeletal class II correction with Sliding Plates. and for this purpose, lateral
cephalometric study was performed to evaluate treatment results at
dentofacial complex. 19 preadolescents ages 11-14 years with skeletal class
II and mandibular retrognathism Sliding Plates consist of two separated
removable parts, the upper one has midpalatal expansion and vertical wire,
the lower is provided with anterior bite plane. The plates were used for 6-12
months. Lateral cephalograms were taken before treatment and
immediately after treatment. The results after treatment were compared
with the pretreatment measurements before treatment. After treatment,
advancement of the mandible and the parts of TMJ has been observed.
Thus, the use of sliding plates are useful to correct skeletal class II with
mandibular retrognathism, especially in cases associated with narrow upper
dental arch for children their ages do not permit the use of pre-functional
preparation, and additionally, in cases that require functional
rehabilitations.
functional treatment of skeletal class II malocclusion is one of the most
important treatment options in mixed dentition. The aim of this research is to evaluate the effectiveness of
two of the most popular functional appliances in daily orthodonti
c practice which are: Schwarz double
plate and twin block, and to compare the effectiveness of these appliances.
The aim of the study was to evaluate The relation between frontonasal complex and cases with class I, II, III Malooclousion. Material and methods: True lateral cephalometric radiograph of the sample that comprises 61 patienta of 34 females and 27 ma
les aged 18-25 years.The data were analyzed using independent sample Student t-test, Anova analysis and Pearson correlation analysis. The results showed that significant differences between the value of front complsx and frontonasal angle and different malooclusion classes, but there were no significant differences between male and female according to frontal convex and frontonasal angle, However, the differences between classes according to frontal convex and frontonasal angle were found in females.
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