Objectives The aim of this in vitro study was to evaluate ited a significantly higher penetration area than the other the efficacy of different irrigation techniques including groups (P < 0.05). Additionally, passive ultrasonic activation laser-activated irrigation using an erbium:yttrium-alumi- had significantly higher penetration than the sonic activation num-garnet (Er:YAG) laser with a novel tip design (pho- group and the control group. Statistically significant differ- ton-induced photoacoustic streaming (PIPS)), Er:YAG la- ences were also found between each root canal third (coro- ser with Preciso tip, sonic activation, and passive ultra- nal > middle > apical) (P <0.001). sonic activation on the final irrigation solution penetration Conclusions The results from the present study support the use of Er:YAG laser activation (Preciso/PIPS) to improve into dentinal tubules by using a laser scanning confocal microscope. the effectiveness of the final irrigation procedure by increasing Material and methods In this study, 65 extracted single- the irrigant penetration area into the dentinal tubules. Clinical relevance The activation of the irrigant and the crea- rooted human mandibular premolars were instrumented up to size 40 and randomly divided into 5 groups tion of the streaming with the Er:YAG laser have a positive effect on the irrigant
Clinical Oral Investigations – Springer Journals
Published: Dec 5, 2016
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