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VOLUME 25 , ISSUE 3 ( March, 2024 ) > List of Articles

ORIGINAL RESEARCH

Effect of Bonding Agents on the Shear Bond Strength of Tooth-colored Restorative Materials to Dentin: An In Vitro Study

Navya Kuchibhotla, Hrishikesh Sathyamoorthy, Srinath Balakrishnan, Naga Praneeth Somaraju, Aakansha Mohan, Kishore Ginjupalli, N. Sridhar, Nithya A Thomas

Keywords : Bonding agent, Composite, Dentin bonding, Shear bond strength

Citation Information : Kuchibhotla N, Sathyamoorthy H, Balakrishnan S, Somaraju NP, Mohan A, Ginjupalli K, Sridhar N, Thomas NA. Effect of Bonding Agents on the Shear Bond Strength of Tooth-colored Restorative Materials to Dentin: An In Vitro Study. J Contemp Dent Pract 2024; 25 (3):245-249.

DOI: 10.5005/jp-journals-10024-3662

License: CC BY-NC 4.0

Published Online: 19-04-2024

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Aim: The aim of the study is to determine the difference in the shear bond strengths to dentin among dental composite (Filtek Z350®, 3M), compomer (Dyract Flow®, Dentsply) and Giomer (Beautifil®, Shofu) with 3MTM Single BondTM Universal Adhesive (SBU) (7th generation, self-etch, single solution adhesive) and AdperTM Single Bond 2 Adhesive (ASB) (5th generation, total-etch, two solution adhesive). Materials and methods: Sixty extracted human permanent teeth were collected, cleansed of debris, and placed in distilled water. The samples were segregated into two groups depicting the two bonding agents—AdperTM (ASB) and 3MTM Single Bond Universal (SBU) and sub-grouped into three groups depicting the three restorative materials (Composite, Giomer, and Compomer) used. Groups were respresented as follows: Group I—ASB + Composite; Group II—ASB + Giomer; Group III—ASB + Compomer; Group IV—SBU + Giomer; Group V—SBU + Compomer; Group VI—SBU + Composite. After applying the bonding agent as per the manufacturer's instructions, following which the restorative material was placed. A Universal Testing Machine (Instron 3366, UK) was employed to estimate the shear bond strength of the individual restorative material and shear bond strengths were calculated. Results: Composite bonded with SBU (group VI) displayed the greatest shear strength (11.16 ± 4.22 MPa). Moreover, Giomers and flowable compomers displayed better bond strengths with ASB compared with their SBU–bonded counterparts. Conclusion: These results mark the importance of careful material selection in clinical practice and the bonding agent used to achieve optimal bond strength and enhance the clinical longevity and durability of dental restorations. Clinical significance: From a clinical perspective, to avoid a compressive or a shear failure, it would be preferrable to use a direct composite restorative material with SBU (Single bond universal adhesive, 7th generation) to achieve maximum bond strength.


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