EVALUATION OF BOND STRENGTH OF DIFFERENT DENTAL ADHESIVES TO TOOTH STRUCTURE IN PAKISTANI PATIENTS
Main Article Content
Keywords
Dental adhesives, bond strength, Total-Etch, Self-Etch, Universal Adhesive, enamel, dentin, Pakistan
Abstract
Background: The efficacy of dental adhesives might vary depending on local patient characteristics, but they are essential for long-lasting bonding between restorative materials and tooth structures.
Objective: To evaluate and compare the bond strength of different dental adhesive systems to enamel and dentin in extracted teeth from Pakistani patients.
Methodology: An in vitro experimental study was conducted at Department of Dental Material, Islamabad from January to June 2024. The 126 permanent human teeth that were taken from patients in Pakistan were split evenly into three groups based on the adhesive method that was used: Universal Adhesive, Self-Etch, and Total-Etch. In accordance with the manufacturer's instructions, teeth with undamaged enamel and dentin were prepped by flattening their surfaces and then glued with composite resin. Prior to shear bond strength testing using a universal testing machine at a crosshead speed of 1 mm/min, specimens were kept in distilled water at 37°C for 24 hours. Megapascals (MPa) were used to record the bond strength values. One-way ANOVA was used to evaluate the data, and p ≤ 0.05 was chosen as the significance level.
Results: Self-Etch adhesives (enamel: 19.48 ± 2.94 MPa; dentin: 16.21 ± 3.05 MPa) and Universal Adhesives (enamel: 21.02 ± 3.25 MPa; dentin: 17.89 ± 2.76 MPa) were the next two adhesives with the greatest mean bond strength to enamel (22.56 ± 3.12 MPa) and dentin (18.34 ± 2.87 MPa). For both enamel and dentin bond strengths, a one-way ANOVA showed statistically significant differences across adhesive systems (p < 0.001).
Conclusion: Total-Etch adhesives demonstrated superior bond strength, with Universal Adhesives showing comparable performance, while Self-Etch adhesives exhibited lower bond strength in this Pakistani sample.
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Dr Sadia Manzoor
Mphil, PhD (Hongkong) cont., Assistant professor, Department of Dental Material, Islamic International Dental College, Islamabad
Dr Zahra Shafqat
Mphil science of dental materials, University of health sciences (UHS) Lahore
Dr Saadia Ata
Assistant Professor Orthodontics, Akhtar Saeed Medical and Dental College Lahore
Dr Amna Mehwish Ikram
BDS, MPhil,CHPE, HOD & Associate Professor, Department of Dental materials, Islam Dental College, Sialkot. Pakistan
Dr Zenab Yaasir
Professor Dental Materials, M. Islam Medical & Dental College, Gujranwala
Dr Zartashia Arooj
Biomaterials unit, School of Dental Sciences, Universiti Sains Malaysia Health Campus, Kubang Kerian, Kelantan, Malaysia