Antimicrobial activity and properties of irreversible hydrocolloid impression materials incorporated with silver nanoparticles

The Journal of Prosthetic Dentistry
Kishore GinjupalliNagaraja Upadhya Perampalli

Abstract

Conventional spray and the immersion disinfection of irreversible hydrocolloid impression materials may lead to dimensional changes. The purpose of this in vitro study was to investigate the antimicrobial activity and properties of irreversible hydrocolloid impression materials incorporated with silver nanoparticles. The antimicrobial activity and properties of 2 commercially available irreversible hydrocolloid impression materials were evaluated after incorporating varying concentrations of silver nanoparticles. Antimicrobial activity was determined using the disk diffusion method. The gel strength, permanent deformation, flow, and gelation time were measured according to American Dental Association specification #18. Analysis of variance was used to identify the significant differences within and across the groups (α=.05). Adding silver nanoparticles to irreversible hydrocolloid impression materials resulted in superior antimicrobial activity without adversely affecting their properties. Adding silver nanoparticles to Zelgan significantly increased the gel strength compared with the control group, except at 5 wt%. However, the gel strength of Tropicalgin was unaffected except at 5 wt%. An increase in the permanent deformation...Continue Reading

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Citations

Mar 17, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Wenjing Song, Shaohua Ge
Jul 28, 2019·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Denise T de CastroAndréa C Dos Reis
Jan 28, 2021·Nanomaterials·Adam LubojanskiRafal J Wiglusz

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