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Esfahanizadeh, GR., Salari, MH., Zahedi Rad, S.. (1390). Evaluation of the Influence of Resin Cement Thickness on the bond Strength of FRC Post. سامانه مدیریت نشریات علمی, 12(4), 321-326.
GR. Esfahanizadeh; MH. Salari; S. Zahedi Rad. "Evaluation of the Influence of Resin Cement Thickness on the bond Strength of FRC Post". سامانه مدیریت نشریات علمی, 12, 4, 1390, 321-326.
Esfahanizadeh, GR., Salari, MH., Zahedi Rad, S.. (1390). 'Evaluation of the Influence of Resin Cement Thickness on the bond Strength of FRC Post', سامانه مدیریت نشریات علمی, 12(4), pp. 321-326.
Esfahanizadeh, GR., Salari, MH., Zahedi Rad, S.. Evaluation of the Influence of Resin Cement Thickness on the bond Strength of FRC Post. سامانه مدیریت نشریات علمی, 1390; 12(4): 321-326.

Evaluation of the Influence of Resin Cement Thickness on the bond Strength of FRC Post

Journal of Dentistry
مقاله 5، دوره 12، شماره 4، اسفند 2011، صفحه 321-326    اصل مقاله (189.03 K)
نوع مقاله: Original Article
نویسندگان
GR. Esfahanizadeh* 1؛ MH. Salari1؛ S. Zahedi Rad2
1Dept. of Prosthodontics, School of Dentistry, Islamic Azad University, Tehran, Iran
2General Dentist, Iran
چکیده
Statement of Problem: The increasing popularity and widespread use of fiber posts have changed the procedure of reconstructing endodontically treated teeth. A reinforced composite (FRC) post presents the advantage of having an elasticity modulus similar to the dentin, which reduces the risk of root fracture. Some factors like cement thickness may affect the bond strength of the posts.
Purpose: This study aimed to evaluate the influence of resin cement thickness on the bond strength of a FRC post system.
Materials and Method: In this experimental study, eighteen single-rooted human teeth were decoronated. (Length: 16 mm) The canals were prepared and the specimens were randomly allocated to two groups (n=9): Group 1, (low cement thickness) in which size 3 FRC posts and group 2 (high cement thickness) in which size 1 FRC posts were cemented. The specimens were sectioned, producing 2 samples (thickness: 4.5mm). For evaluation of the cement thickness, an optical microscope was used. Each sample was evaluated using push-out test and the data were statistically analyzed using T-test.
Result: Bond strengths of the 2 groups, low cement thickness and hight cement thickness, did not show a significant different ( p = 0.14).
Conclusion: The increase in cement thickness surrounding the FRC post did not impair the bond strength.
کلیدواژه‌ها
Cement thickness؛ Bond strength؛ FRC posts
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