Heat generation caused by ablation of dental restorative materials with an Ultra Short Pulse Laser (USPL) System

被引：0
|
作者：
Braun, Andreas [1 ]
Wehry, Richard [1 ]
Brede, Olivier [1 ]
Frentzen, Matthias [1 ]
Schelle, Florian [1 ]
机构：
[1] Univ Bonn, Dept Periodontol Operat & Prevent Dent, Welschnonnenstr 17, D-53111 Bonn, Germany
来源：
LASERS IN DENTISTRY XVII | 2011年 / 7884卷
关键词：
Heat generation; ultra short pulse laser system; phosphate cement; composite; temperature mesaurement;
D O I：
10.1117/12.873687
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The aim of this study was to assess heat generation in dental restoration materials following laser ablation using an Ultra Short Pulse Laser (USPL) system. Specimens of phosphate cement (PC), ceramic (CE) and composite (C) were used. Ablation was performed with an Nd:YVO4 laser at 1064 nm and a pulse length of 8 ps. Heat generation during laser ablation depended on the thickness of the restoration material. A time delay for temperature increase was observed in the PC and C group. Employing the USPL system for removal of restorative materials, heat generation has to be considered.
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页数：5
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