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77243

Evaluation of The Role of Different Adhesive Systems in Durability of Endodontically Treated Teeth After Thermocycling

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Last updated: 01 Jan 2025

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Abstract

Background: The main reason suggested for the failure of endodontically treated teeth after a long period of time of intraoral performance is the lack of perfect coronal seal together with the presence of nanoleakage. Therefore, this study was conducted to evaluate to what extent the difference between adhesive systems may affect the seal achieved between pulp chamber dentin and the overlying coronal restoration together with nanoleakage evaluation.
Materials and methods: Two groups of root canal treated teeth were bonded with two types of adhesive systems (Total-etch and Self-Etch) and restored with nano-hybrid resin composite. All teeth were thermocycled (2,500 cycles, 5°C to 55°C, 20 seconds dwell time, and 5 seconds resting time). After thermocycling, teeth were sectioned into sticks of 1 mm2 (15 sticks obtained from each group) for microtensile bond strength testing (mTBS). From each group, a slab of 1 mm2 was obtained for micromorphological analysis to observe the quality of the resin-dentin interface by scanning electron microscope and to evaluate nanoleakage pattern through silver tracing as well. The collected data were expressed in MPa and analyzed by independent sample t-test.
Results: Regarding bond strength testing, highly significant difference was recorded between both adhesive systems (p<0.05). Total etch adhesive group showed higher results compared to the Self Etch one. Besides, SEM observations showed that all specimens showed different patterns of nanoleakage regardless of the type of adhesive system used.
Conclusions: Total etch adhesive system showed better results than self-etch adhesive one in achieving good seal to pulp chamber dentin in endodontically treated teeth after thermocycling.

DOI

10.21608/edj.2018.77243

Keywords

microtensile bond strength, Self-etch Adhesive System, Total-etch Adhesive System, Nanoleakage, thermocycling

Authors

First Name

Heba

Last Name

Abdel- Mohsen

MiddleName

Bahgat

Affiliation

Assistant Professor Restorative Dentistry Department, Faculty of Dentistry, King Abdul-Aziz UniversityJeddah, Saudi Arabia. Lecturer of Operative Dentistry, Faculty of Dentistry, Suez Canal University, Ismailia, Egypt.

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Orcid

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First Name

Bassem

Last Name

Eid

MiddleName

Mohamed

Affiliation

Lecturer of Endodontics, Faculty of Dentistry, Al-Ahram Canadian University, Giza, Egypt.

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Volume

64

Article Issue

Issue 3 - July (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics)

Related Issue

11454

Issue Date

2018-07-01

Receive Date

2020-03-13

Publish Date

2018-07-01

Page Start

2,559

Page End

2,567

Print ISSN

0070-9484

Online ISSN

2090-2360

Link

https://edj.journals.ekb.eg/article_77243.html

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https://edj.journals.ekb.eg/service?article_code=77243

Order

18

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Original Article

Type Code

254

Publication Type

Journal

Publication Title

Egyptian Dental Journal

Publication Link

https://edj.journals.ekb.eg/

MainTitle

Evaluation of The Role of Different Adhesive Systems in Durability of Endodontically Treated Teeth After Thermocycling

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Article

Created At

22 Jan 2023