Sapra Ashita, Darbar Arun, George Roy
School of Dentistry and Oral Health, Griffith University, Gold Coast, Queensland, Australia.
Private Practice, Smile Creations Dental Innovations, Leighton Buzzard, UK.
Aust Endod J. 2020 Aug;46(2):197-203. doi: 10.1111/aej.12391. Epub 2019 Dec 9.
The purpose of this study was to determine whether a near-infrared diode laser could be used as an adjunct to help identify and localise symptomatic cracks in patients with cracked tooth. An 810-nm diode laser at 1 W continuous wave energy with a 200 micro-fibre tip was used to scan the offending tooth. Crack identified during the laser scan was removed, restored and reviewed after four weeks and after 4 years. The laser was able to significantly (P = 0.0001) identify suspected cracked teeth from non-cracked control teeth. Of the twelve patients examined, ten participants experienced discomfort as the laser passed over a crack line. At 4-week and 4-year recall, a majority of the ten treated patients responded positively to the management of crack. This study showed that diode laser could be an adjunctive tool for early detection and management of symptomatic cracks with the possibility of improving long-term survival.
本研究的目的是确定近红外二极管激光是否可作为一种辅助手段，以帮助识别和定位有牙隐裂的患者的症状性裂纹。使用一台波长为810纳米、连续波能量为1瓦、配有200微米光纤尖端的二极管激光对患牙进行扫描。在激光扫描过程中识别出的裂纹被去除、修复，并在四周后和四年后进行复查。该激光能够显著（P = 0.0001）区分疑似有裂纹的牙齿和无裂纹的对照牙齿。在接受检查的12名患者中，10名参与者在激光扫过裂纹线时感到不适。在4周和4年的回访中，接受治疗的10名患者中的大多数对裂纹的处理反应良好。本研究表明，二极管激光可作为一种辅助工具，用于早期检测和处理症状性裂纹，并有可能提高长期存留率。
