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نوع الوثيقة : مقال في مجلة دورية 
عنوان الوثيقة :
INFLUENCE OF THE FERRULE EFFECT AND PREFABRICATED POST TYPE
INFLUENCE OF THE FERRULE EFFECT AND PREFABRICATED POST TYPE
 
لغة الوثيقة : الانجليزية 
المستخلص : Objectives. To investigate the fracture resistance of endodontically treated crowned teeth with ferrule and without ferrule effect preparation incorporating prefabricated posts with different diameters. Also to compare the fracture resistance of these teeth using parapost and carbon fiber postsystems. Methods. Eighty sound extracted human maxillary central incisors were root canal treated, decoronated and restored with two different sizes of ready made post systems (parapost and carbon fi-ber post systems). Ferrule effect preparation was made in forty teeth and the other forty teeth were left without ferrule preparation. Teeth were restored by composite build up and covered by crowns. Load was applied at an angle of 1350 to the long axis of the teeth and failure load for each tooth was recorded. Data were statistically analyzed using one way analysis of varience (ANOV A) and Scheffe multiple comparison test (p<0.05). Results. For each post system. statistical analysis showed significant difference between mean failure load of teeth with ferrule and without ferrule effect preparation. Also for teeth with fern!le effect. there was significant difference .between the type of post. Ther.e was no difference between smaller or medium sized diameter posts for both systems investigated. Conclusions. Teeth with ferrule effect preparation restored with carbon fiber posts had higher fracture resistance than those restored with paraposts. However. for teeth without ferrule preparation. there was on significant difference between parapost and carbon fiber post 
ردمد : 0 
اسم الدورية : المجلة المصرية لطب الأسنان 
المجلد : 49 
العدد : 3 
سنة النشر : 2003 هـ
2003 م 
نوع المقالة : مقالة علمية 
تاريخ الاضافة على الموقع : Monday, December 10, 2007 

الباحثون

اسم الباحث (عربي)اسم الباحث (انجليزي)نوع الباحثالمرتبة العلميةالبريد الالكتروني
محمد عوضAwad, Mohamed باحث رئيسيدكتوراهmawad@kau.edu.sa
عبد الحميد مغربيMaghrabi, Abdulhameed باحث مشاركدكتوراه 
رجب سيفSeif, Ragab باحث مشاركدكتوراه 

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