Effect of Nonthermal Atmospheric Plasma Application at Different Time Intervals on the Dentinal Shear Bond Strength Pretreated with 2% Chlorhexidine As Cavity Disinfectant: An Study

Overview

Journal J Conserv Dent Endod

Date 2024 Sep 12

PMID 39262591

Authors

Roopadevi Garlapati

Nagesh Bolla

Gali Praveen Kumar

Mayana Aameena Banu

Bandlapally Sreenivasa Guptha Anila

Shaik Afreen Kamal

Affiliations

Soon will be listed here.

Abstract

Context: Effective use of nonthermal atmospheric plasma (NTAP) to strengthen adhesive-dentin interfacial bonding while disinfecting with chlorhexidine (CHX).

Aim: NTAP application at different time intervals on the dentinal shear bond strength (SBS) after pretreatment with 2% CHX as a cavity disinfectant.

Settings And Design: The design of the study was an study.

Materials And Methods: Forty permanent mandibular teeth were collected ( = 40) and the occlusal surfaces were flattened. For, all the specimens 37% phosphoric acid etching was done followed by pretreatment with 2% CHX as cavity disinfectant for 5 s. According to the surface treatment, divided into four groups of = 10. Group I (Control): No NTAP pretreatment was done. Group II: NTAP pretreatment done for 15 s. Group III: NTAP pretreatment done for 30 s. Group IV: NTAP pretreatment done for 45 s. Later, all the specimens were treated with a bonding agent, incremental build-up of composite resin on the dentin surface was done and evaluation of SBS was done. Analyzed using One-way analysis of variance with a Tukey's test ( < 0.05).

Results: Two percent CHX pretreatment as cavity disinfectant followed by NTAP application for 30 s (Group III) exhibited greater values compared to the control group (Group I).

Conclusion: Two percent CHX pretreatment as cavity disinfectant followed by NTAP pretreatment for 30 s was found to exhibit better bond strength values compared to 15 s as well as 45 s.

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