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71473

Comparative Evaluation of Shear Bond Strength between Self-Adhesive Resin Composite and Different Adhesive Systems to Dentin at Different Storage Times (In Vitro Study)

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Last updated: 22 Jan 2023

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Abstract

Aim: This study was directed to evaluate the shear bond strength between self-adhesive resin composite and different adhesive systems to dentin at different storage times. Materials and method: Extracted human premolars teeth (n=99) were used, where their occlusal surfaces were prepared. Specimens were divided into three equal main groups according to the adhesive system used. (A1; Self-adhesive flowable composite, A2; One step self-etch adhesive system, A3; Two-steps etch and rinse adhesive system). Then each main group was subdivided according the storage time into three equal subgroups (B1; 24 hours, B2; Three months, B3; Six months) The final assembly was mounted on a universal testing machine (Lloyd instruments, LR 5K, England). A shear load was applied at a crosshead speed of 0.5 mm/min. until failure occurred. The data was recorded using computer software (Nexygen-MT Lloyd Instruments). Results: A statistically significant difference in shear bond strength was found between all the adhesive groups. After instrumentation where (p≤0.001). Also, a statistically significant difference in shear bond was found between three months and six months groups for all adhesives where (p≤0.001). Conclusion: Self-adhering flowable composite has poor bond strength to dentin and storage in water for long periods has a highly significant adverse effect on bond strength.

DOI

10.21608/ajdsm.2020.71473

Authors

First Name

Saad

Last Name

E. Abd El-Naby

MiddleName

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Affiliation

Demonstrator, Department of Operative dentistry, Faculty of Dental Medicine, al Azhar University, Assuit.

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First Name

Nady

Last Name

I. Mohammed

MiddleName

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Affiliation

Assistant Professor Department of Operative dentistry, Faculty of Dental Medicine boys, al Azhar University. Cairo.

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Orcid

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First Name

Ahmed

Last Name

A. Abd El-Ghany

MiddleName

-

Affiliation

Lecturer, Department of Operative dentistry, Faculty of Dental Medicine, al Azhar University, Assuit.

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Volume

21

Article Issue

1

Related Issue

10888

Issue Date

2018-01-01

Receive Date

2020-02-17

Publish Date

2018-01-01

Page Start

43

Page End

46

Print ISSN

1110-6751

Online ISSN

2682-3314

Article File

AJDSM_Volume 21_Issue 1_Pages 43-46.pdf

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https://ajdsm.journals.ekb.eg/article_71473.html

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https://ajdsm.journals.ekb.eg/service?article_code=71473

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Original Article

Type Code

848

Publication Type

Journal

Publication Title

Al-Azhar Journal of Dental Science

Publication Link

https://ajdsm.journals.ekb.eg/

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Article

Created At

22 Jan 2023