Erbium: YAG Laser versus Ultrasonic in Preparation of Root-End Cavities

Effect of Er,Cr:YSGG laser irradiation on apical sealing ability of calcium silicatecontaining endodontic materials in root-end cavities

“…Controversy remains as to whether or not smear layer removal with laser application is necessary before root-end filling procedure to promote sealing ability. Karlovic et al 7) and Kocak et al 21) showed that MTA-filled root-end cavities prepared by Er:YAG laser had significantly lower microleakage than those prepared using ultrasonic devices. However, in the absence of smear layers, there seemed to be no apparent advantages in the use of Er,Cr:YSGG laser over conventional root-end cavity preparation methods to address apical microleakage of root-end fillings 22,23) .…”

“…In endodontic treatment, lasers have been used as an alternative for root-end cavity preparations. To increase dentin permeability and improve apical sealing after canal obturation, different types of lasers have been suggested for smear layer removal and melting and solidification of root canal dentin walls [5][6][7][8] . During the surgical procedure, a root-end filling is key to providing an apical seal that prevents the penetration of bacteria or diffusion of bacterial products from the leaking root canal system into the periapical tissues 9,10) .…”

Multiple Applications with Er:YAG Laser in Apicoectomy - A Clinical Case Report

“…Rootend cavity preparation and retrograde filling are often performed in the surgical procedure [16]. There were numerous techniques and instruments to be recommended and evaluated in literatures, for obtaining the ideal method in apical surgery [17,18].…”

Laser In Endodontics-A Review Article

“…Further studies have demonstrated the efficiency of lasers in combination with commonly used irrigants, such as 17% EDTA, 10% citric acid and 5.25% sodium hypochlorite. [7]The action of the chelating substances facilitates the penetration of laser light, which can penetrate into the dentinal walls up to 1mm in depth and have a stronger decontaminating effect than chemical agents. Laser-activated irrigation, has been shown to be statistically more effective in removing debris and the smear layer in root canals compared with traditional techniques and ultrasound.…”