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Thermal increase in the oral mucosa and in the jawbone during Nd:YAG laser applications. Ex vivo study

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Thermal increase in the oral mucosa and in the jawbone during Nd:YAG laser applications. Ex vivo study

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dc.contributor.author Vescovi, Paolo es
dc.contributor.author Merigo, Elisabetta es
dc.contributor.author Fornaini, Carlo es
dc.contributor.author Rocca, Jean Paul es
dc.contributor.author Nammour, Samir es
dc.date.accessioned 2017-07-24T12:11:46Z
dc.date.available 2017-07-24T12:11:46Z
dc.date.issued 2012 es
dc.identifier.citation Vescovi, Paolo ; Merigo, Elisabetta ; Fornaini, Carlo ; Rocca, Jean Paul ; Nammour, Samir. Thermal increase in the oral mucosa and in the jawbone during Nd:YAG laser applications. Ex vivo study. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 17 4 2012: 7- es
dc.identifier.uri http://hdl.handle.net/10550/59902
dc.description.abstract Objective: Literature reports bactericidal and biostimulant effects for Nd:YAG laser procedures on bone and oral mucosa but the possible overheating can cause damage to anatomical structures. The aim of the study is the evaluation of thermal increase in different levels of oral tissues: mucosa, periosteum and bone during defocused application of Nd:YAG laser at different parameters. Study Design: Superficial thermal evaluation was performed in pig jaws with a thermal camera device; deep thermal evaluation was realized by 4 thermocouples placed at a subperiosteal level and at 1,2 and 4 mm depth in the jaw bone. Laser applications of 1 minute were performed 5 times (with a pause of 1 minute) on a surface of 4 cm 2 with a Nd:YAG laser (VSP mode, 320 micrometer fiber, defocused mode) with different parameters. Temperatures were recorded before and after laser applications and after each pause in order to evaluate also the thermal relaxation of tissues. Results: At submucosal level, mean thermal increase was between 1.1°C and 13.2°C, at 1 mm depth between 1.1°C and 8.5°C, at 2 mm depth between 1.1°C and 6.8°C, at 4 mm depth between 1.0°C and 5.3°C. Temperature decrease during the rest time period was variable between 0°C and 2.5°C. Conclusions: Temperatures reached during clinical procedures with parameters reported in the literature in biostimulation protocols (1.25-2 Watts) for the five minutes of application are not dangerous for biological structures. The decrease in temperature during the rest time period is less considerable in the bone in comparison to oral mucosa. es
dc.title Thermal increase in the oral mucosa and in the jawbone during Nd:YAG laser applications. Ex vivo study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.17726 es
dc.type.hasVersion VoR es_ES

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