COMPARISION OF THE SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO REST ORATED TEETH BY METHACRYLATE BASED AND SILORANE BASED COMPOSITE WITH DIFFERENT SURFACE TREATMENT

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KHANEHMASJEDI MASHAALLAH; GHAEMI AZADEH; NOUROLLAHI FARD VAHID; BEHZADIAN MASOUMEH; KHANEHMASJEDI SAMANEH; NASERI MOHAMMAD ALI

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Journal: Jundishapur Scientific Medical Journal Year:2016 | Volume:15 | Issue:2 Page(s): 147-157

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Title

COMPARISION OF THE SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO REST ORATED TEETH BY METHACRYLATE BASED AND SILORANE BASED COMPOSITE WITH DIFFERENT SURFACE TREATMENT

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SHEAR BOND STRENGTHQ2

SILORANE-BASED COMPOSITEQ2

METHACRYLATE-BASED COMPOSITEQ1

SURFACE TREATMENTQ2

Abstract

Background and Objective: This study compared SHEAR BOND STRENGTH of metal brackets to the teeth restored with silorane and METHACRYLATE-BASED COMPOSITEs after different SURFACE TREATMENTs.Subjects and Methods: After cavity preparation on the buccal surfaces of 112 acrylic central teeth and etching; the specimens were restored with Filtek Z-250 (methacylate base) or Filtek P-90 (silorane base) composites. SURFACE TREATMENTs were done by the diamond bur+acid etch, diamond bur+acid etch+silane, air abrasion and air abrasion+silane. The brackets were bonded to the teeth and after thermal cycles; SHEAR BOND STRENGTH of the brackets to composites were calculated by the universal testing machine. Data were analyzed with one-sided ANOVA and Tukey test was used for paired comparison regarding SURFACE TREATMENTs. Non parametric Kruscal-Wallis test was used for evaluation of ARI index.Results: The mean SHEAR BOND STRENGTH of brackets to teeth restored with Filtek Z-250 after treatments of diamond bur+acid etch, diamond bur+acid etch+silane, air abrasion and air abrasion+silane were 16.36±5.32, 13.11±4.08, 12.74±5.21 and 13.16±3.82 MPa respectively. The values for the Filtek P-90 were 11.7±3.54, 8.2±3.25, 10.41±2.25 and 10.56±3.04 MPa. In all treatment methods, adequate bond strengths created between the brackets and composite surfaces. On the Filtek P-90, bond strength for diamond bur+acid etch was significantly more than diamond bur+acid etch+silane (P<0.02).Conclusion: Bond strength of the brackets to the silorane in relation to methacrylate was lower but acceptable. For this reason and due to lower remaining adhesive after debonding; the bonding of brackets to the teeth restored with silorane was acceptable in all methods.

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APA: Copy

KHANEHMASJEDI, MASHAALLAH, GHAEMI, AZADEH, NOUROLLAHI FARD, VAHID, BEHZADIAN, MASOUMEH, KHANEHMASJEDI, SAMANEH, & NASERI, MOHAMMAD ALI. (2016). COMPARISION OF THE SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO REST ORATED TEETH BY METHACRYLATE BASED AND SILORANE BASED COMPOSITE WITH DIFFERENT SURFACE TREATMENT. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, 15(2), 147-157. SID. https://sid.ir/paper/12465/en

Vancouver: Copy

KHANEHMASJEDI MASHAALLAH, GHAEMI AZADEH, NOUROLLAHI FARD VAHID, BEHZADIAN MASOUMEH, KHANEHMASJEDI SAMANEH, NASERI MOHAMMAD ALI. COMPARISION OF THE SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO REST ORATED TEETH BY METHACRYLATE BASED AND SILORANE BASED COMPOSITE WITH DIFFERENT SURFACE TREATMENT. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL[Internet]. 2016;15(2):147-157. Available from: https://sid.ir/paper/12465/en

IEEE: Copy

MASHAALLAH KHANEHMASJEDI, AZADEH GHAEMI, VAHID NOUROLLAHI FARD, MASOUMEH BEHZADIAN, SAMANEH KHANEHMASJEDI, and MOHAMMAD ALI NASERI, “COMPARISION OF THE SHEAR BOND STRENGTH OF ORTHODONTIC BRACKETS TO REST ORATED TEETH BY METHACRYLATE BASED AND SILORANE BASED COMPOSITE WITH DIFFERENT SURFACE TREATMENT,” JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, vol. 15, no. 2, pp. 147–157, 2016, [Online]. Available: https://sid.ir/paper/12465/en

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