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Register a new userResistance Study of Different Types of Ready-Made Posts Cemented with Panavia 21 to Bending Moment (in vitro)
مقاومة تصاميم مختلفة من الأوتاد الجذرية الجاهزة الملصقة بإسمنت الريزين 21 Panavia لقوى الانحناء (دراسة مخبرية)
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ميرزا علاًف( باحث )
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يؤدي شكل الوتد الجذري و تصميمه دوراً مهماً في قدرة تثبيت اسمنت الراتنج المركب لهذا الوتد داخل القناة الجذرية. و تعد الأوتاد الاسطوانية الأفضل تثبيتاً. مقارنة مقاومة ثلاثة أشكال من الأوتاد لها الطول نفسه هي (الأسطوانية المسننة، و الأسطوانية المحلزنة، و المخروطية الملساء) لقوى الانحناء الأفقية التي تشابه تلك التي تسببها الحركات الفكية الجانبية بعد إلصاقها بإسمنت Panivia21 داخل الأقنية الجذرية.
Ready made post design plays an important role with resin cement ability on post retention in to the root canal. While the paraposts are the most retentive. To compare the resistance of serrated Para post, tapered-smooth, and threaded para posts, cemented with panivia21 to transverse load.
References used
Anusavice KJ Philips. Science of Dental Materials. 11th. Ed. Sanders, St.Louis, Missouri 2003; 486-487
Willershauen B, Tekyatan H,Krummenauer F, Brisemo M B. Survival rate of endodontically treated teeth in relation to conservative as post insertion techniques –a retrosepctive study. European Journal of Medical Research 2005; 10(5):204-8
Greenfeld RS RR, Marshall FJ, Schoner B. A comparison of two post systems under applied compressiveshear loads. J prosthet Dent 1989; 61:17-24
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