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The Journal of Oral Laser Applications

Edited by Prof Dr Andreas Moritz and Prof G. Lynn Powell

Official publication of the European Society for Oral Laser Applications

ISSN (print) 1473-7809 • ISSN (online) 1867-5611

Spring 2008
Volume 8 , Issue 1

Pages: 7-16
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Laser Analgesia with Pulsed Infrared Lasers: Theory and Practice

Walsh, Laurence J.

Over the past decade, the use of middle infrared (Er:YAG and Er,Cr:YSGG) lasers for caries removal and cavity preparation has become commonplace in clinical practice. These lasers are also being used increasingly for soft tissue surgery and for hard-tissue crown lengthening surgery. This paper addresses possible mechanisms that may contribute to a positive patient experience with reduced need for injected local anaesthesia during restorative dentistry when performed with lasers, and then focuses on the concept of laser-induced analgesia as a low-level effect which contributes to the reduced discomfort experienced by dental patients when pulsed middle infrared lasers (Nd:YAG as well as Er:YAG and Er,Cr:YSGG) are employed.

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