Abstract

Background: Fracture of the denture base is a common problem associated with dental prostheses. Fractured denture base surfaces treated with chemical agents and mechanical features have the potential for improved bond strength. Aim: The aim of this study was to evaluate the effect of surface treatment on the shear bond strength of heat-cured denture base with different repair acrylic resins. Materials and Methods: A total of 100 circular specimens (2-cm diameter × 3.3-mm thickness) were fabricated from heat-cured denture resins (DPI) according to the manufacturer’s instructions. The heat-cured denture base acrylic resin specimens were divided into two groups: In group 1, auto-polymerizing acrylic resin (DPI) was used as a repair resin, and in group 2, light-cured acrylic resin (VLC) was used as the repair resin. Further, the heat-cured denture base acrylic resin specimens were subdivided into five subgroups. The shear bond strength (in megapascal) was measured in a universal testing machine at a crosshead speed of 1mm/min. The results were subjected for statistical analysis. Result: Comparison of mean and standard deviation of shear bond strength between DPI and VLC group using one-way analysis of variance showed that the mean shear bond strength of DPI group is higher than that of VLC group. Conclusion: From the study, heat-cured denture base specimens repaired with auto-polymerizing repair resin showed higher mean shear bond strength than the visible light cure resin material.

Details

Title
The effect of surface treatments on the shear bond strength of acrylic resin denture base with different repair acrylic resin: An in vitro study
Author
Kumar, P Arun 1 ; Iniyan, K 2 ; Balasubramaniam, R 3 ; Viswanathan, M 4 ; Hines, P 5 ; Monnica, V 6 

 Department of Prosthodontics and Crown and Bridge, Vivekanandha Dental College For Women, Tiruchengode 
 Department of Prosthodontics, Private Clinic Practitioner, Kumbakonam 
 Department of Prosthodontics and Crown and Bridge, Rajah Muthiah Dental College and Hospital, Chidambaram 
 Department of Prosthodontics and Crown and Bridge, KSR Institute of Dental Science and Research, Tiruchengode 
 Department of Prosthodontics and Crown and Bridge, Sree Mookambika Institute of Dental Sciences, Kulasekharam 
 Department of Prosthodontics and Crown and Bridge, JKK Nataraja Dental College and Hospital, Komarapalayam, Tamil Nadu 
Pages
380-384
Publication year
2019
Publication date
May 2019
Publisher
Medknow Publications & Media Pvt. Ltd.
ISSN
09764879
e-ISSN
09757406
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2235522476
Copyright
© 2019. This work is published under https://creativecommons.org/licenses/by-nc-sa/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.