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Dental Research Journal، جلد ۲۱، شماره ۵، صفحات ۰-۰
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عنوان انگلیسی Shear bond strength of different tooth color restorative materials after using silver diamine fluoride in primary tooth dentin: An in vitro study
چکیده انگلیسی مقاله Background: The main disadvantage of silver diamine fluoride (SDF) is its persistent dark coloring. The aim of this study was to cover this discoloration on affected primary tooth dentin with different materials and subsequently measure their shear bond strength (SBS). Materials and Methods: in this invitro study total of 60 primary teeth were demineralized and randomly divided into five groups ( n = 12). The tooth surfaces were treated with 38% SDF, and restorative cylinders were built on the dentin as follows: (1) phosphoric acid etching + GLUMA Universal Adhesive (GUA; etch‑and‑rinse mode) + composite resin (CR); (2) GUA (self‑etch mode) + CR; (3) resin‑modified glass ionomer (RMGI; Fuji II); (4) Surefil One (self‑adhesive CR); and (5) TheraCem (self‑adhesive resin cement) + CR. After restoration, the specimens were tested for SBS. Failure mode was determined by digital analysis and scanning electron microscopy. Data were analyzed by one‑way analysis of variance and Tukey’s honest significant difference post hoc test. P <0.05 indicated statistical significance. Results: Group 1 had significantly higher mean SBS ( P < 0.05) compared to Groups 2–5, while Group 5 had the least SBS ( P < 0.001). Mean SBS differences between Groups 2 and 3 were not significant ( P = 0.328). Group 4 had lower mean SBS than Groups 1 ( P < 0.001) and 2 ( P = 0.17). Most groups showed adhesive failure. Conclusion: CR associated with the universal adhesive in etch‑and‑rinse mode had much higher SBS than the other groups; therefore, we recommend it to cover the dark discoloration generated by SDF. Key Words: Composite resins, primary teeth, scanning electron microscope, topical fluoride     Highlight Fereshteh Shafiei:  Pubmed , Google Scholar
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نویسندگان مقاله | Mahtab Memarpour


| Fereshteh Shafiei


| Azade Rafiee


| Mahsa Khosronia


| Marzieh Alizadeh


| Mehrdad Vossoughi


نشانی اینترنتی http://drj.mui.ac.ir/index.php/drj/article/view/2586
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