Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using Microwaves

ABSTRACT: Microwaves are an interesting alternative to process dental ceramics. It is well documented that Microwave Hybrid Sintering (MHS) allows important savings in time and energy consumption. However, little is known about its effect on lithium disilicate glass ceramics, a popular material in d...

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Autores principales: Pendola,Martin, Carter,John
Lenguaje:English
Publicado: Universidad de La Frontera. Facultad de Medicina 2017
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2017000400461
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spelling oai:scielo:S0718-381X20170004004612018-02-16Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using MicrowavesPendola,MartinCarter,John microwave sintering glass ceramics crystalline phase dental ceramics ABSTRACT: Microwaves are an interesting alternative to process dental ceramics. It is well documented that Microwave Hybrid Sintering (MHS) allows important savings in time and energy consumption. However, little is known about its effect on lithium disilicate glass ceramics, a popular material in dentistry today. We analyzed the microstructure of lithium disilicate glass ceramics sintered with MHS compared with conventional sintering. We sintered lithium disilicate glass ceramics using MHS and conventional furnaces, and we analyzed the samples using X-Ray diffraction and SEM. Samples sintered with MHS showed an increased crystalline phase, with an increased number of crystals. These crystals have larger perimeters compared with samples sintered in conventional furnaces. MHS produced a different crystallization pattern and crystal/ matrix ration in lithium disilicate glass ceramics when compared to conventional sintering. This can be associated with the improved mechanical properties of these materials reported previously.info:eu-repo/semantics/openAccessUniversidad de La Frontera. Facultad de MedicinaInternational journal of odontostomatology v.11 n.4 20172017-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2017000400461en10.4067/S0718-381X2017000400461
institution Scielo Chile
collection Scielo Chile
language English
topic microwave sintering
glass ceramics
crystalline phase
dental ceramics
spellingShingle microwave sintering
glass ceramics
crystalline phase
dental ceramics
Pendola,Martin
Carter,John
Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using Microwaves
description ABSTRACT: Microwaves are an interesting alternative to process dental ceramics. It is well documented that Microwave Hybrid Sintering (MHS) allows important savings in time and energy consumption. However, little is known about its effect on lithium disilicate glass ceramics, a popular material in dentistry today. We analyzed the microstructure of lithium disilicate glass ceramics sintered with MHS compared with conventional sintering. We sintered lithium disilicate glass ceramics using MHS and conventional furnaces, and we analyzed the samples using X-Ray diffraction and SEM. Samples sintered with MHS showed an increased crystalline phase, with an increased number of crystals. These crystals have larger perimeters compared with samples sintered in conventional furnaces. MHS produced a different crystallization pattern and crystal/ matrix ration in lithium disilicate glass ceramics when compared to conventional sintering. This can be associated with the improved mechanical properties of these materials reported previously.
author Pendola,Martin
Carter,John
author_facet Pendola,Martin
Carter,John
author_sort Pendola,Martin
title Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using Microwaves
title_short Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using Microwaves
title_full Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using Microwaves
title_fullStr Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using Microwaves
title_full_unstemmed Crystal Modification on Lithium Disilicate Glass Ceramics Sintered Using Microwaves
title_sort crystal modification on lithium disilicate glass ceramics sintered using microwaves
publisher Universidad de La Frontera. Facultad de Medicina
publishDate 2017
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-381X2017000400461
work_keys_str_mv AT pendolamartin crystalmodificationonlithiumdisilicateglassceramicssinteredusingmicrowaves
AT carterjohn crystalmodificationonlithiumdisilicateglassceramicssinteredusingmicrowaves
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