Laser-Induced Cavitation and Photoacoustic Cavitation

Feng, Yi; Qin, Dui; Wan, Mingxi

doi:10.1007/978-94-017-7255-6_8

Cited by 2 publications

(1 citation statement)

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“…This trend may eventually lead to combinations of activation methods. Ultrasonic and laser activation are potential candidates for such an approach since they have already been successfully combined in other fields to control the occurrence and location of cavitation more accurately (Feng et al, 2015).…”

Section: Future Directionsmentioning

confidence: 99%

Present status and future directions – irrigants and irrigation methods

2022

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Irrigation is considered the primary means of cleaning and disinfection of the root canal system. The purpose of this review was to set the framework for the obstacles that irrigation needs to overcome, to critically appraise currently used irrigants and irrigation methods, to highlight knowledge gaps and methodological limitations in the available studies and to provide directions for future developments. Organization of bacteria in biofilms located in anatomic intricacies of the root canal system and the difficulty to eliminate them is the main challenge for irrigants. Sodium hypochlorite remains the primary irrigant of choice, but it needs to be supplemented by a chelator. Delivery of the irrigants using a syringe and needle and activation by an ultrasonic file are the most popular irrigation methods. There is no evidence that any adjunct irrigation method, including ultrasonic activation, can improve the long‐term outcome of root canal treatment beyond what can be achieved by instrumentation and syringe irrigation. It is necessary to redefine the research priorities in this field and investigate in greater depth the penetration of the irrigants, their effect on the biofilm and the long‐term treatment outcome. New studies must also focus on clinically relevant comparisons, avoid methodological flaws and have sufficiently large sample sizes to reach reliable conclusions. Future multidisciplinary efforts combining the knowledge from basic sciences such as Chemistry, Microbiology and Fluid Dynamics may lead to more effective antimicrobials and improved activation methods to bring them closer to the residual biofilm in the root canal system.

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Section: Future Directionsmentioning

confidence: 99%