Impact of different light curing modes on the cuspal deflection of maxillary premolars restored with nanohybrid resin restoration: An in vitro study

Patel A. Aashray; Joshi Chintan; Somani C. Mona; Parmar D. Anisha; Jadawala M. Kruti; Modi H. Shreya; Desai Urooj

doi:10.53730/ijhs.v6nS3.5314

Impact of different light curing modes on the cuspal deflection of maxillary premolars restored with nanohybrid resin restoration

An in vitro study

https://doi.org/10.53730/ijhs.v6nS3.5314

Authors

Patel Aashray A. Lecturer, Department of Conservative Dentistry and Endodontics, Karnavati School of Dentistry, Karnavati University, Gandhinagar-382422, Gujarat, India
Joshi Chintan Professor and Head, Department of Conservative Dentistry and Endodontics, Karnavati School of Dentistry, Karnavati University, Gandhinagar-382422, Gujarat, India
Somani Mona C. Reader, Department of Conservative Dentistry and Endodontics, Karnavati School of Dentistry, Karnavati University, Gandhinagar-382422, Gujarat, India
Parmar Anisha D.
anishadparmar@gmail.com
Post Graduate Student, Department of Conservative Dentistry and Endodontics, Karnavati School of Dentistry, Karnavati University, Gandhinagar-382422, Gujarat, India
Jadawala Kruti M. Post Graduate Student, Department of Conservative Dentistry and Endodontics Karnavati School of Dentistry, Karnavati University, Gandhinagar-382422, Gujarat, India
Modi Shreya H. Post Graduate Student, Department of Conservative Dentistry and Endodontics Karnavati School of Dentistry, Karnavati University, Gandhinagar-382422, Gujarat, India
Desai Urooj Post Graduate Student, Department of Conservative Dentistry and Endodontics Karnavati School of Dentistry, Karnavati University, Gandhinagar-382422, Gujarat, India

Keywords:

blue phase, light curing modes, cuspal deflection, digital micrometer

Abstract

INTRODUCTION: The influence of various light-curing modes may lead to polymerization shrinkage resulting in contraction stresses in composite resin. These stresses leads to linear movement of the cusp tips of the tooth as a result of interactions between polymerization shrinkage stress of the composite and adherence of the cavity wall of the tooth. That may lead to restoration failure. AIM: Comparative evaluation of the effect of different light-curing modes on the cuspal deflection of class II Mesio-occlusal-distal cavity restored with Nano-hybrid composite resin restorative material. METHOD: Thirty-six standardized MOD preparations were prepared on maxillary first premolars. Three groups(n=12) were divided according to different light-curing modes of Blue phase LED curing light- Group 1: soft-start curing mode; Group 2: pulse curing mode; Group 3: continuous curing mode. 1mm diameter glass beads were fixed to each cusp tip as a reference point for intercuspal distance to measure initial cuspal deflection for each group. MOD Preparations were etched and bonded with adhesive resin to provide micromechanical attachment and restored with Nano-hybrid composite restoration using the incremental technique. The cuspal deflection was then measured with the Digital micrometer gauge and the mean difference was measured for each group.

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Published

31-03-2022

How to Cite

Aashray, P. A., Chintan, J., Mona, S. C., Anisha, P. D., Kruti, J. M., Shreya, M. H., & Urooj, D. (2022). Impact of different light curing modes on the cuspal deflection of maxillary premolars restored with nanohybrid resin restoration: An in vitro study. International Journal of Health Sciences, 6(S3), 558–565. https://doi.org/10.53730/ijhs.v6nS3.5314

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Issue

Vol. 6 No. S3 (2022)

Section

Peer Review Articles

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