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Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study

Dentine pretreatment through sandblasting procedures has been widely studied but no curve test results are currently available. Thus, the aim herein was to in vitro compare the adhesive strength in sandblasted or not samples using a universal testing machine. Thirty -two bovine teeth were divided in...

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Autores principales: Sinjari, Bruna, Santilli, Manlio, D’Addazio, Gianmaria, Rexhepi, Imena, Gigante, Alessia, Caputi, Sergio, Traini, Tonino
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7372407/
https://www.ncbi.nlm.nih.gov/pubmed/32645819
http://dx.doi.org/10.3390/ma13133026
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author Sinjari, Bruna
Santilli, Manlio
D’Addazio, Gianmaria
Rexhepi, Imena
Gigante, Alessia
Caputi, Sergio
Traini, Tonino
author_facet Sinjari, Bruna
Santilli, Manlio
D’Addazio, Gianmaria
Rexhepi, Imena
Gigante, Alessia
Caputi, Sergio
Traini, Tonino
author_sort Sinjari, Bruna
collection PubMed
description Dentine pretreatment through sandblasting procedures has been widely studied but no curve test results are currently available. Thus, the aim herein was to in vitro compare the adhesive strength in sandblasted or not samples using a universal testing machine. Thirty -two bovine teeth were divided into two groups, namely test (n = 16 bars), sandblasting with aluminum oxide particles (50 µm) was performed before the adhesion procedures), and control (n = 16 bars), where no sandblasting procedure was performed. A bi-material curve test was used to evaluate the characteristics of the dentine pretreatment in terms of tensile stress and fracture strength. A scanning electron microscope (SEM) was used to analyze the fracture topography in the composite, bonding, dentin, and at the relative interfaces. The results demonstrated a statistically significant difference between the two groups in terms of tensile stress at maximum load showing values of 84.300 ± 51.342 MPa and 35.071 ± 16.609 MPa, respectively for test and control groups (p = 0.033). Moreover, a fracture strength test showed values of 18.543 ± 8.145 MPa for test and 8.186 ± 2.833 MPa for control group (p = 0.008). In conclusion, the sandblasting treatment of the dentine significantly influenced the mechanical resistance of the adhesion in this in vitro study.
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spelling pubmed-73724072020-08-05 Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study Sinjari, Bruna Santilli, Manlio D’Addazio, Gianmaria Rexhepi, Imena Gigante, Alessia Caputi, Sergio Traini, Tonino Materials (Basel) Article Dentine pretreatment through sandblasting procedures has been widely studied but no curve test results are currently available. Thus, the aim herein was to in vitro compare the adhesive strength in sandblasted or not samples using a universal testing machine. Thirty -two bovine teeth were divided into two groups, namely test (n = 16 bars), sandblasting with aluminum oxide particles (50 µm) was performed before the adhesion procedures), and control (n = 16 bars), where no sandblasting procedure was performed. A bi-material curve test was used to evaluate the characteristics of the dentine pretreatment in terms of tensile stress and fracture strength. A scanning electron microscope (SEM) was used to analyze the fracture topography in the composite, bonding, dentin, and at the relative interfaces. The results demonstrated a statistically significant difference between the two groups in terms of tensile stress at maximum load showing values of 84.300 ± 51.342 MPa and 35.071 ± 16.609 MPa, respectively for test and control groups (p = 0.033). Moreover, a fracture strength test showed values of 18.543 ± 8.145 MPa for test and 8.186 ± 2.833 MPa for control group (p = 0.008). In conclusion, the sandblasting treatment of the dentine significantly influenced the mechanical resistance of the adhesion in this in vitro study. MDPI 2020-07-07 /pmc/articles/PMC7372407/ /pubmed/32645819 http://dx.doi.org/10.3390/ma13133026 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Sinjari, Bruna
Santilli, Manlio
D’Addazio, Gianmaria
Rexhepi, Imena
Gigante, Alessia
Caputi, Sergio
Traini, Tonino
Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study
title Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study
title_full Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study
title_fullStr Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study
title_full_unstemmed Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study
title_short Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study
title_sort influence of dentine pre-treatment by sandblasting with aluminum oxide in adhesive restorations. an in vitro study
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7372407/
https://www.ncbi.nlm.nih.gov/pubmed/32645819
http://dx.doi.org/10.3390/ma13133026
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