ABOUT INDEXING EDITORIAL BOARD ARCHIVES AUTHOR GUIDELINES SUBMIT PAPER NEWS, EVENTS AUTHOR'S PAGE CONTACT
Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
Materiale Plastice - Latest Issue

Latest Issue >>>
ARCHIVES
   Volume 60, 2023
   Volume 59, 2022
   Volume 58, 2021
   Volume 57, 2020
   Volume 56, 2019
   Volume 55, 2018
   Volume 54, 2017
   Volume 53, 2016
   Volume 52, 2015
   Volume 51, 2014
   Volume 50, 2013
   Volume 49, 2012
   Volume 48, 2011
   Volume 47, 2010
   Volume 46, 2009
   Volume 45, 2008
   Volume 44, 2007
   Volume 43, 2006
   Volume 42, 2005
   Volume 41, 2004
   Volume 40, 2003
 
<<<< back

Materiale Plastice (Mater. Plast.), Year 2016, Volume 53, Issue 4, 607-611



Andreea Bors, Iulian Antoniac, Cosmin Cotrut, Aurora Antoniac, Melinda Szekely

Surface Analysis of Contemporary Aesthetic Dental Filling Materials after Storage in Erosive Solutions


Abstract:
Clinical performance of restorative materials and their adhesive interfaces can be affected by erosion after rehabilitation of erosive lesions. The aim of the present in vitro study was to evaluate the erosive wear resistance and adhesive bond strength of direct restorative materials, using four different testing tools. Four aesthetic dental filling materials were included in the study: a universal nano-filled composite, a light curing posterior filling composite resin, a tooth-coloured polyacid modified composite resin (compomer) and a coloured compomer indicated in restorations of deciduous teeth. Fifteen specimens were prepared according to each of the four tested restorative materials. Following manufacturers’ instructions for the manipulation/mixing of the materials, adhesive systems and unset pastes were placed in cavities of 4mm length, 3mm width and 1mm depth prepared in bovine extracted teeth and cured. After 24 hours of rehydration in distilled water, each group was immersed in erosive solutions chosen for testing: 1% citric acid and 0.02% phosphoric acid. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) were used in order to analyze the degrees of erosive wear of the materials following exposure to the various erosive solutions. Also, microtensile bond strength (mTBS) was made and the obtained data was analyzed by one-way ANOVA test and two-sample t-test, with a level of significance that was set at p<0.05. Experimental results reveal that the dental filling materials showed different behaviour under the same erosive conditions. These findings suggest that erosive wear resistance of direct dental restoratives could influence their longevity in intraoral acidic conditions.


Keywords:
dental materials; composites; erosive; wear; microscopy; bond strength

Issue: 2016 Volume 53, Issue 4
Pages: 607-611
Publication date: 2016/12/30
download pdf   Download Pdf Article
Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License


Downloads number: 0
<<<< back
 
  Search Authors
Crossref Member Badge
 DOI  logo
 Gold Open Access | Source=http://www.plos.org/  | Author=art designer at PLoS
Creative Commons License