Effect of disinfectants on modified denture base resins: Surface hardness and flexural strength of nanofilled and crosslinked denture base resins - Couverture souple

Sadhvi, K.V.; Shetty, Jayakar; Chandrasekharan Nair, K.

 
9783659345487: Effect of disinfectants on modified denture base resins: Surface hardness and flexural strength of nanofilled and crosslinked denture base resins
Couverture souple
ISBN 10 : 3659345482 ISBN 13 : 9783659345487
Editeur : LAP Lambert Academic Publishing, 2013

Synopsis

The objective of the research was to evaluate the effect of disinfectants on surface hardness and flexural strength of denture base resins added with nanofiller and crosslinking agent. Four different weight percentages of nanosilica filler particles and crosslinking agents were incorporated in heat cure acrylic resin. Acrylic discs and rectangular blocks were fabricated. They were stored in distilled water for 48 hours. Specimens were then grouped and each group was treated with one of the media: gluteraldehyde, chlorhexidine gluconate and sodium hypochlorite for ten minutes. After immersion, the specimens were kept in water. The Vickers hardness and flexural strength was tested at different time intervals. Acrylic resin specimens reinforced with 1 mass % nanosilica filler particles exhibited higher surface hardness and flexural strength. Addition of 1 mass % crosslinking agent exhibited higher surface hardness and 1 and 2 mass % crosslinking agent exhibited higher flexural strength. Surface hardness reduced with all the disinfectant media. The least damage was caused by sodium hypochlorite. The least damage on flexural strength was caused by gluteraldehyde.

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À propos de l?auteur

Dr. Sadhvi K.V, Senior Lecturer in Prosthodontics, AECS Maaruti College of Dental Sciences, Bangalore, India, has been in teaching for the last 3 years. She has 11 publications and has presented papers at various national and international conferences. Her areas of interest include dental material science, and pediatric maxillofacial prosthetics.

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Éditeur
LAP Lambert Academic Publishing
Date d'édition
2013
Langue
anglais
ISBN 10 
3659345482
ISBN 13 
9783659345487
Reliure
Broché
Nombre de pages
132
Coordonnées du fabricant
non disponible
Personne responsable
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