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198746

Influence of different surface treatments on shear bond strength of a highly viscous glass ionomer cement bonded to a nanocomposite filling material using sandwich technique

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Last updated: 23 Jan 2023

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Abstract

Aim of study: This study aimed to evaluate the influence of different surface treatments on shear bond strength of a highly viscous glass ionomer cement bonded to a nanocomposite filling material using sandwich technique. Materials &Methods: Sixty specimens (n=60) of a new HVGIC were divided into three main equal groups according to surface treatment protocols, group I (control): was treated with total etch adhesive, group II was treated with sandblasting with Al2o3 particles, group III was treated with sandblasting with Al2o3 and total etch adhesive. After surface treatment in all groups nanofilled composite resins were applied. Shear bond strength has been evaluated by using universal testing machine. The data were statically analyzed. Scanning Electron Microscope (SEM) was used to examine the mode of failure. Results: The highest mean shear bond strength value was for group III with a significantly difference from group I (control) which showed lowest mean value. High incidence of mixed failure (adhesive-cohesive failure) was demonstrated among I & II groups. The predominant mode was cohesive failure in group III. Conclusion: sandblasting with Al2o3 and total etch adhesive was the most effective technique to treat glass ionomer surface in sandwich technique..

DOI

10.21608/mjd.2020.198746

Authors

First Name

Lamiaa

Last Name

Nasr El-Din El-Saeid

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Affiliation

Master's faculty of Dentistry

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First Name

Salwa A

Last Name

. El-Negoly

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Affiliation

Professor of Dental BiomaterialsFaculty of DentistryLecturer of Dental BiomaterialsFaculty of DentistryMansoura University

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Orcid

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First Name

Husn A.

Last Name

Jazar

MiddleName

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Affiliation

Professor of Dental BiomaterialsFaculty of DentistryLecturer of Dental BiomaterialsFaculty of DentistryMansoura University

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Volume

7

Article Issue

3

Related Issue

28058

Issue Date

2020-09-01

Receive Date

2021-10-09

Publish Date

2020-09-01

Page Start

71

Page End

75

Print ISSN

2735-4172

Online ISSN

2812-5479

Article File

MJD_Volume 7_Issue 3_Pages 71-75.pdf

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https://mjd.journals.ekb.eg/article_198746.html

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https://mjd.journals.ekb.eg/service?article_code=198746

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15

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Original Article

Type Code

1,715

Publication Type

Journal

Publication Title

Mansoura Journal of Dentistry

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https://mjd.journals.ekb.eg/

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Article

Created At

23 Jan 2023