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Register a new userترميم الأسنان المعالجة لبياً
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Damascus University رسالة ماجستير
Publication date
2015
fields
Dentistry
and research's language is
العربية
Created by
Shamra Editor
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كان الحفاظ على حيوية الأسنان وما زال من أهم الاهداف الرئيسية في مداواة الأسنان إلا انه في بعض الحالات نكون بحاجة لإجراء معالجة لبية للسن مثل حالات النخور الواسعةالنافذة إلى اللب
No English abstract
References used
weine FS (2004) Endodontic therapy. London
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Aim of study: to compare the ability of four restorative materials (MTA - Composite
- Zinc Phosphate - Glass Ionomer Cement) in coronal sealing of the endodontically treated
root canal orifice in extracted teeth.
Materials and Methods: 60 extracte
d teeth with single canal were chosen. X-Ray
Images were taken, then their crowns were cut off by using diamond disc, then the canals
were classically prepared, after that, they were filled with Zinc Oxide Eugenol Cement and
the gutta-percha cones using Lateral Condensation technique. They were left for (24) hours
in order to ensure the quite hardening of the filling material. After that, the filling material
was removed vertically by using an eraser tool up to a depth of (2) mm inside the root
canal. Then, the teeth were randomly divided into four groups, each contained (15) teeth
(n1=n2=n3=n4=15). The entry orifices of all the teeth were filled with one of the
restorative materials. The teeth were coated with Varnish except for 1 mm around orifices,
After then, they were immersed in Methylene Blue Dye of 2 % for five minutes. After that,
the teeth were washed under a stream of plentiful water and left to dry. Longitudinal
sections were made in the buccal lingual direction. Then the sections were examined under
the optical magnifier to measure the liner dye leakage using a millimeter ruler designed by
“AutoCAD 2013” Program.
Nasal reconstruction is considered as one of the difficult reconstructive
problems to solve. That is due to the importance of the cosmetic appearance of the nose, the several types
of tissues forming the nose and the complexity of the anatomy of th
e nose.
Due to the small nostrils, delicate tissue and lack of surrounding tissues enough for reconstruction, this
problem becomes more difficult to in the reconstruction of children’s noses,
The aim of this research is to look at the cases of nasal reconstruction in children at Mouassat university
hospital, and to suggest a new modification on the forehead flap, which leads to lengthening the flap by
recruiting a piece of the Galea as a facial flap connected to the distal end of the forehead flap. This flap
will be covered with a split thickness skin graft, then it will be folded to reconstruct the inner surface of
the nose.
The reconstruction of the nasal ala requires the achievement of esthetic and functional results. Composite auricular grafts are extremely valuable here. The purpose of this study is to evaluate the surgical outcome after using composite grafts for al
ar nasal reconstruction according to our experience. A retrospective study of our outcome of 10 performed alar nasal reconstruction cases. All these patients were operated using the proposed surgical technique between 2011 and 2015 in AL-ASSAD University Hospital in Lattakia, Syria. The cosmetic and functional results of this relatively simple technique of reconstruction are excellent. It provides an internal lining and support. The integration was total. We could fill the alar nasal defect using composite grafts. The defect has disappeared consequently. The form of the nose could be improved. The use of this technique efficiently enables a one-stage reconstruction of nasal defects. The morbidity rate within the donor areas was low. We believe that composite grafts have an important and under-utilized role as an adjunct to the flaps in nasal reconstruction.
The micro surgery did not take its role correctly in our
country in spite of it being well known and widespread throughout the
world for a relatively long time. The micro surgery is an essential part in
the reconstruction of tissue of skin, muscle
s, bones and nerves with its blood
vessels where it could re-connect (anastomos) in the right place. The wide
loss of full thickness tissue in the scalp is considered as a serious challenge
for the reconstructive surgeon and the micro surgery is considered one of
the most important methods of reconstruction of such defects.
Objective: To study the importance of the use of free flaps in the
reconstruction of the wide defects and loss of tissue in the scalp in Al
Mouassat Hospital patients.
Brachytherapy is considered one of the most important departments in the
international centers of oncology. It is noteworthy that the application of
brachytherapy does not require costly equipment, but it requires good knowledge
of its principles and perfect handling of isotopes and to be committed to means
of complete radio protection by physicians, physicists, and technicians working
in this field.
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