Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia Crowns
Background: The aim of this study was to test the impact of hot acids etching and two types of adhesive cement on the retention of zirconia crowns. Methods: Forty maxillary premolars were prepared, and zirconia crowns were designed and fabricated with proximal extensions, then divided into 4 groups...
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doaj-8fb2fc8b29df419dbeff5bce824272112021-02-19T00:02:29ZengMDPI AGMaterials1996-19442021-02-011496096010.3390/ma14040960Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia CrownsOsama Harb0Walid Al-Zordk1Mutlu Özcan2Amal Abdelsamad Sakrana3Fixed Prosthodontics Department, Faculty of Dentistry, Mansoura and Horus University, Mansoura 35511, EgyptFixed Prosthodontics Department, Faculty of Dentistry, Mansoura and Horus University, Mansoura 35511, EgyptCenter for Dental and Oral Medicine, Division of Dental Biomaterials, Clinic for Reconstructive Dentistry, University of Zurich, 8032 Zurich, SwitzerlandFixed Prosthodontics Department, Faculty of Dentistry, Mansoura and Horus University, Mansoura 35511, EgyptBackground: The aim of this study was to test the impact of hot acids etching and two types of adhesive cement on the retention of zirconia crowns. Methods: Forty maxillary premolars were prepared, and zirconia crowns were designed and fabricated with proximal extensions, then divided into 4 groups (n = 10). Group AP; the crowns were air-abraded and cemented using Panavia SA Cement. Group AL; the crowns were air- abraded and cemented using GC LinkForce. Group AHP; the crowns were air-abraded, etched with the hot acids (48% hydrofluoric acid and 69% nitric acid), and cemented using Panavia SA Cement. Group AHL; the crowns were air-abraded, etched with the hot acids, and cemented using GC LinkForce. Each zirconia crown was pre-treated and bonded to its corresponding tooth. After thermocycling (5–55 °C/10,000), the retention test was performed and the load required to dislodge the crown was reported in Newton (N), and mode of failure was recorded. The retention strength (MPa) was calculated for each tested variable and statistically analyzed. Results: Group AHP showed the highest mean value of the retention strength, followed by group AP then group AHL. Group AL showed the lowest value. A statistically significant effect (<i>p</i> = 0.001) of the hot acids etching on the retention of zirconia crown was found. Also, there was a significant effect (<i>p</i> = 0.000) of the cement type. The interaction between surface treatment and the cement type has no significant impact (<i>p</i> = 0.882). The main mode of failure for Panavia SA Cement is mixed mode of failure, while for G-CEM LinkForce is adhesive failure. <i>Conclusions</i>: Hot acid etching pre-treatment improved the retention of zirconia crown. Usage of Panavia SA Cement with hot acids etching is effective can be used for adhesive cementation of zirconia crown.https://www.mdpi.com/1996-1944/14/4/960translucent zirconiaoxide ceramicsMDP-containing cementadhesive cementdental restoration |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Osama Harb Walid Al-Zordk Mutlu Özcan Amal Abdelsamad Sakrana |
spellingShingle |
Osama Harb Walid Al-Zordk Mutlu Özcan Amal Abdelsamad Sakrana Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia Crowns Materials translucent zirconia oxide ceramics MDP-containing cement adhesive cement dental restoration |
author_facet |
Osama Harb Walid Al-Zordk Mutlu Özcan Amal Abdelsamad Sakrana |
author_sort |
Osama Harb |
title |
Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia Crowns |
title_short |
Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia Crowns |
title_full |
Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia Crowns |
title_fullStr |
Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia Crowns |
title_full_unstemmed |
Influence of Hydrofluoric and Nitric Acid Pre-Treatment and Type of Adhesive Cement on Retention of Zirconia Crowns |
title_sort |
influence of hydrofluoric and nitric acid pre-treatment and type of adhesive cement on retention of zirconia crowns |
publisher |
MDPI AG |
series |
Materials |
issn |
1996-1944 |
publishDate |
2021-02-01 |
description |
Background: The aim of this study was to test the impact of hot acids etching and two types of adhesive cement on the retention of zirconia crowns. Methods: Forty maxillary premolars were prepared, and zirconia crowns were designed and fabricated with proximal extensions, then divided into 4 groups (n = 10). Group AP; the crowns were air-abraded and cemented using Panavia SA Cement. Group AL; the crowns were air- abraded and cemented using GC LinkForce. Group AHP; the crowns were air-abraded, etched with the hot acids (48% hydrofluoric acid and 69% nitric acid), and cemented using Panavia SA Cement. Group AHL; the crowns were air-abraded, etched with the hot acids, and cemented using GC LinkForce. Each zirconia crown was pre-treated and bonded to its corresponding tooth. After thermocycling (5–55 °C/10,000), the retention test was performed and the load required to dislodge the crown was reported in Newton (N), and mode of failure was recorded. The retention strength (MPa) was calculated for each tested variable and statistically analyzed. Results: Group AHP showed the highest mean value of the retention strength, followed by group AP then group AHL. Group AL showed the lowest value. A statistically significant effect (<i>p</i> = 0.001) of the hot acids etching on the retention of zirconia crown was found. Also, there was a significant effect (<i>p</i> = 0.000) of the cement type. The interaction between surface treatment and the cement type has no significant impact (<i>p</i> = 0.882). The main mode of failure for Panavia SA Cement is mixed mode of failure, while for G-CEM LinkForce is adhesive failure. <i>Conclusions</i>: Hot acid etching pre-treatment improved the retention of zirconia crown. Usage of Panavia SA Cement with hot acids etching is effective can be used for adhesive cementation of zirconia crown. |
topic |
translucent zirconia oxide ceramics MDP-containing cement adhesive cement dental restoration |
url |
https://www.mdpi.com/1996-1944/14/4/960 |
work_keys_str_mv |
AT osamaharb influenceofhydrofluoricandnitricacidpretreatmentandtypeofadhesivecementonretentionofzirconiacrowns AT walidalzordk influenceofhydrofluoricandnitricacidpretreatmentandtypeofadhesivecementonretentionofzirconiacrowns AT mutluozcan influenceofhydrofluoricandnitricacidpretreatmentandtypeofadhesivecementonretentionofzirconiacrowns AT amalabdelsamadsakrana influenceofhydrofluoricandnitricacidpretreatmentandtypeofadhesivecementonretentionofzirconiacrowns |
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