Surgical performance of a 405-nm diode laser in treatment of soft tissue

被引:16
|
作者
Kato, J. [1 ]
Hatayama, H. [2 ]
Miyazaki, H. [3 ]
Akashi, G. [1 ]
Moriya, K. [1 ]
Inoue, A. [2 ]
Hirai, Y. [1 ]
机构
[1] Tokyo Dent Coll, Dept Operat Dent, Mihama Ku, Chiba 2618502, Japan
[2] Sumitomo Elect Ind Ltd, Opt Commun R&D Labs, Sakae Ku, Yokohama, Kanagawa 2448588, Japan
[3] Tokyo Med & Dent Univ, Grad Sch, Div Oral Hlth Sci, Dept Oral Restitut,Bunkyo Ku, Tokyo 1138549, Japan
关键词
405-nm diode laser; soft tissue; ablation; coagulation;
D O I
10.1002/lapl.200710123
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The study was conducted to evaluate the surgical performance of a 405-nm diode laser ex vivo. The experiments were carried out using tuna tissue, which was irradiated with a 405-nm diode laser at output powers of 400 mW (694 W/cm(2)) to 1 W (1735 W/cm(2)) on a motorized stage moving at a rate of 1 mm/sec. As a control, a 920-nm diode laser was used with the same irradiation conditions. After irradiation, the thickness of ablation and coagulation was measured by stereoscopic microscopy and evaluated statistically. Ablation and coagulation zones were obtained with 405-nm laser irradiation, but not with irradiation at 920 nm. Ablation depth increased significantly with output power and a thick coagulation zone was observed with 405-nm irradiation. The 405-nm diode laser performed well for incising and coagulating soft tissue at a low power density.
引用
收藏
页码:316 / 320
页数:5
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