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Register a new userThe relationship of the temporomandibular joint disc thickness with facial growth according to Jarabak in adult male subjects (cephalometric and MRI study).
علاقة ثخانة قرص المفصل الفكي الصدغي مع النمو الوجهي حسب جاراباك لدى الأفراد الذكور البالغين (دراسة سيفالومترية و بالرنين المغناطيسي).
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يتم فصل الفك السفلي مع الجمجمة بواسطة المفصل الفكي الصدغي، حيث ترتبط جميع مكونات المفصل الفكي الصدغي بما في ذلك القرص المفصلي مع الخصائص المتنوعة للمركب القحفي الوجهي و مع نموه، إلا إنه من غير الواضح بعد الدور الدقيق الذي تلعبه سماكة قرص المفصل الفكي الصدغي حلال علمية نمو الوجهي. هدف البحث:دراسة العلاقة بين ثخانة قرص المفصل الفكي الصدغي مع النمو الوجهي الذي تم تحديده حسب جاراباك و ذلك لدى أفراد من الذكور البالغين ممن ليس لديهم أعراض سريرية لإضطرابات المفصل الفكي الصدغي و لا على صور الرنين المغناطيسي.
Mandible articulates with the cranium via the TMJ. All the components of the TMJ, including the TMJ disc, seem to be associated with altered characteristics of the craniofacial complex and its growth. However, the exact role of the TMJ disc thickness during the process of the facial growth is not clear yet. Aim: The aim of this study is to investigate the association between the TMJ disc thickness and the facial growth determined according to Jarabak in adult male subjects with no clinical or MRI symptoms of Temporomandibular Joint Disorders.
References used
RICKETTS M.R. The influence of orthodontic treatment on facial growth and development.the angle orthodontist. July 1960, Vol. 30, No. 3, pp. 103-133
SCHUDY F.F.Vertical growth versus anteroposterior growth as related to function and treatment. Angle Orthod 1964;34:75-93
SCHUDY F.F.The rotation of the mandible resulting from growth: its implications in orthodontic treatment. Angle Orthod 1965;35:36-50
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examine their relationships with the facial growth types according to Jarabak and their
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ephalometric for 31 female and 55 male aged between 18-25 years and by using analysis
of variance Kruskall-Wallis one-way ANOVA and Mann-Whitney U-tests of statistical
test. The results showed a statistically significant relationship between each of the angle
Cranial base with the nasal bone (Nasal bone / SN), and level of the nose with cranial base
(NSL / NL), and the facial pattern for all the simple. It was noted the existence of a
significant statistical relationship between the length of the nasal cartilage (Cart-nose), and
the total length of the nose , and the angle between the nasal bone with cranial base and
facial pattern .And the results showed at females the presence statistically significant
relationship between each of the( Nasal bone / SN), and (NSL / NL), and facial pattern.
The aim of this research is to investigate the dimensional and positional symmetries
between the right and left condyles ,and the possible asymmetries between the condylar
processes that could be related to the type of growth pattern in adult subje
cts with no
clinical nor radiographic symptoms of TMDs.
Materials and methods: In result of a multistage clinical examination protocol, 14
Caucasian patients with normal growth pattern ,and with no prior orthodontics treatment
were selected (14 females)from 17 to 29 years of age with no clinical signs and symptoms
of TMDs.
The images obtained from the axial and sagittal slices, Cephalometric growth pattern
study was performed. Pearson's Correlation Coefficient and T-test were calculated.
Results :no statistically significant relationship between the measurements of
TMJ(left &right) and the normal growth pattern.
Conclusions:There is no relationship between the morphology of TMJ and normal
growth pattern in adult female orthodontically non-treated .
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