Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements
The aim of this study was to assess the influence of ultrasonic wave propagation on the compressive (CS) and diametral tensile (DTS) strengths of glass ionomer cements (GICs). Three variables were evaluated: conventional GICs, ultrasonic excitation and storage time (1 hour, 24 hours and 7 days). Bovine teeth molds were used for simulating a clinical ultrasonic excitation. The data were submitted to three-way ANOVA and Tukey tests (P < 0.05). All the tested conventional GICs presented an increase in strength from 1 hour to 7 days for CS and DTS. Ultrasonic excitation resulted in a statistically significant increase in the CS, but showed no statistically significant difference in the DTS. Regardless the GICs tested the increase in strength was maturation time-dependent for all groups.
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ABM, ABC, ABPol
2008
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oai:scielo:S1516-143920080001000112008-04-28Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cementsBarata,Terezinha Jesus EstevesBresciani,EduardoAdachi,AkimiFagundes,Ticiane CestariCarvalho,Carlos Augusto RamosNavarro,Maria Fidela Lima glass ionomer cements ultrasonic setting compressive strength diametral tensile strength The aim of this study was to assess the influence of ultrasonic wave propagation on the compressive (CS) and diametral tensile (DTS) strengths of glass ionomer cements (GICs). Three variables were evaluated: conventional GICs, ultrasonic excitation and storage time (1 hour, 24 hours and 7 days). Bovine teeth molds were used for simulating a clinical ultrasonic excitation. The data were submitted to three-way ANOVA and Tukey tests (P < 0.05). All the tested conventional GICs presented an increase in strength from 1 hour to 7 days for CS and DTS. Ultrasonic excitation resulted in a statistically significant increase in the CS, but showed no statistically significant difference in the DTS. Regardless the GICs tested the increase in strength was maturation time-dependent for all groups.info:eu-repo/semantics/openAccessABM, ABC, ABPolMaterials Research v.11 n.1 20082008-03-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000100011en10.1590/S1516-14392008000100011 |
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Barata,Terezinha Jesus Esteves Bresciani,Eduardo Adachi,Akimi Fagundes,Ticiane Cestari Carvalho,Carlos Augusto Ramos Navarro,Maria Fidela Lima |
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Barata,Terezinha Jesus Esteves Bresciani,Eduardo Adachi,Akimi Fagundes,Ticiane Cestari Carvalho,Carlos Augusto Ramos Navarro,Maria Fidela Lima Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements |
| author_facet |
Barata,Terezinha Jesus Esteves Bresciani,Eduardo Adachi,Akimi Fagundes,Ticiane Cestari Carvalho,Carlos Augusto Ramos Navarro,Maria Fidela Lima |
| author_sort |
Barata,Terezinha Jesus Esteves |
| title |
Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements |
| title_short |
Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements |
| title_full |
Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements |
| title_fullStr |
Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements |
| title_full_unstemmed |
Influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements |
| title_sort |
influence of ultrasonic setting on compressive and diametral tensile strengths of glass ionomer cements |
| description |
The aim of this study was to assess the influence of ultrasonic wave propagation on the compressive (CS) and diametral tensile (DTS) strengths of glass ionomer cements (GICs). Three variables were evaluated: conventional GICs, ultrasonic excitation and storage time (1 hour, 24 hours and 7 days). Bovine teeth molds were used for simulating a clinical ultrasonic excitation. The data were submitted to three-way ANOVA and Tukey tests (P < 0.05). All the tested conventional GICs presented an increase in strength from 1 hour to 7 days for CS and DTS. Ultrasonic excitation resulted in a statistically significant increase in the CS, but showed no statistically significant difference in the DTS. Regardless the GICs tested the increase in strength was maturation time-dependent for all groups. |
| publisher |
ABM, ABC, ABPol |
| publishDate |
2008 |
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http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000100011 |
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