Safe and efficient dental cavity preparation by applying a gradient-in-power approach from Er,Cr:YSGG laser: an in-vitro study

被引：5

作者：

Al-shammari, Alyamama M. H. ^{[1
]}

Salman, Ansam M. ^{[2
]}

Al-janabi, Abdulhadi ^{[1
]}

机构：

[1] Univ Baghdad, Inst Laser Postgrad Studies, Baghdad, Iraq

[2] Al Nahrain Univ, Coll Engn, Laser & Optoelect Dept, Baghdad, Iraq

来源：

OPTICS CONTINUUM | 2023年 / 2卷 / 04期

关键词：

BOND-STRENGTH; WATER-LAYER; ENAMEL; IRRADIATION; FIBER; COMPOSITE; ABLATION;

D O I：

10.1364/OPTCON.488099

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this in-vitro study, a gradient-in-power approach aims to ensure no temperature elevation beyond the necrosis limit (5.5 degrees C) during laser cavity preparation of dental hard tissues. The applied optimal Er,Cr:YSGG laser parameters were: 20 Hz pulse repetition rates (prr), average powers at a maximum of 5.5 W for enamel switched to a maximum of 3.5 W for dentine surface specimens. A fabricated fast-response all-optical fiber sensor was used to monitor temperature change simultaneously. A scanning electron microscope (SEM) and a Fourier transform infrared (FTIR) spectroscopy were used to assess the irradiated surfaces. Holes of 500 pm in depth were obtained with no morphological and chemical alterations.(c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：917 / 932

页数：16

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