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Journal of Dentomaxillofacil Radiology, Pathology and Surgery، جلد ۲، شماره ۲، صفحات ۹-۱۷
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عنوان انگلیسی Comparison of the Bond Strength of Fiber-Reinforced Composite (FRC) Posts to Radicular Dentin Using Different Adhesive Cement: an in-vitro study
چکیده انگلیسی مقاله Introduction: Retention of fiber reinforced composite posts depends on the bond strength between post and cement, and cement and root dentin. The aim of this study is to evaluate the bond strength of one type of fiber post to radicular dentin with different adhesive cements. Materials and Methods: Crowns of 44 caries-free, human premolar were removed 2 mm below the CEJ and the roots were endodontically treated, then prepared for post cementation. The samples were randomly divided into 4 groups, group 1: Breeze (self-adhesive), group 2: ED Primer II/Panavia F2 (self-etch), group 3: Prime & Bond NT dual-cure /All-Cem (etch & rinse), and group 4: GC Fuji Plus. After post cementation and composite filling of coronal portion(as manufacturers,s instruction) and thermocycling, each specimen was cut into 2 mm thickness from the middle third of the root and the push-out bond strength test was performed and failure modes were recorded. Data were analyzed employing ANOVA and post hoc tests (P value< 0.05). Results: Group 4 showed significantly the high-est bond strength (12.88±3.44 MPa), while group 1 showed significantly lower bond strength than the other groups (5.25±2.98MPa). Also a statistically significant difference was observed between groups 2 and 3 with group 4.( P value< 0.021) Conclusion: Retention of fiber post was affected by cement type. The results also indicated that in GC Fuji Plus the chemical interactions between the cement and hydroxyapatite may be important for root dentin bonding. Breeze without any pretreatment procedure cannot obtain the acceptable bond strength.
کلیدواژه‌های انگلیسی مقاله Adhesive cement ,Dental bonding ,Light- cured
نویسندگان مقاله مریم توانگر | maryam tavangar
department of restorative dentistry, dental school, guilan university of medical sciences, rasht, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (Guilan university of medical sciences)

رضا دولو | reza davalloo
department of restorative dentistry, dental school, guilan university of medical sciences, rasht, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (Guilan university of medical sciences)

فریده دارابی | farideh darabi
department of restorative dentistry, dental school, guilan university of medical sciences, rasht, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (Guilan university of medical sciences)

نیلوفر معین | niloofar moein
department of restorative dentistry, dental school, guilan university of medical sciences, rasht, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی گیلان (Guilan university of medical sciences)

شهره نکویی | shohreh nekooie
dentist, dental school
نشانی اینترنتی http://3dj.gums.ac.ir/browse.php?a_code=A-10-1-24&slc_lang=en&sid=en
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