The effect of the curing time of an ultra-high intensity LED curing unit on diametral tensile strength of packable composite resin

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Abstract

This study aimed to evaluate the influence of the curing time of a light emitting diode (LED) curing unit on the diametral tensile strength of packable composite resin with 1 second-3 seconds from an ultra high intensity LED (Flash Max, intensity 4000 mW/cm2) and 20 seconds from a conventional LED (Ledmax 450, intensity 450 mW/cm2). We used an universal testing machine and the results showed a diametral tensile strength of 31.19 ± 6.84 MPa; 42.91 ± 8.26 MPa; and 52.53 ± 7.52 MPa. The result of an independent t-test was statistically significant (p < 0.05). We concluded the curing time of an ultra high intensity LED curing unit influences the diametral tensile strength of packable composite resin.

Original languageEnglish
Article number052007
JournalJournal of Physics: Conference Series
Volume1073
Issue number5
DOIs
Publication statusPublished - 7 Sep 2018
Event2nd Physics and Technologies in Medicine and Dentistry Symposium, PTMDS 2018 - Depok, West Java, Indonesia
Duration: 18 Jul 201818 Jul 2018

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