The Efficacy of Er:YAG Laser-Activated Shock Wave-Enhanced Emission Photoacoustic Streaming Compared to Ultrasonically Activated Irrigation and Needle Irrigation in the Removal of Bioceramic Filling Remnants from Oval Root Canals-An Ex Vivo Study

The removal of filling material is important for successful root canal retreatment. The aim of the study was to compare the efficiency of two activated irrigation techniques, the shock wave-enhanced emission photoacoustic streaming (SWEEPS) mode of the Er:YAG laser and ultrasonically activated irrig...

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Bibliographic Details
Published in:Bioengineering (Basel) 2022-12, Vol.9 (12), p.820
Main Authors: Kapetanović Petričević, Gabrijela, Katić, Marko, Brzović Rajić, Valentina, Anić, Ivica, Bago, Ivona
Format: Article
Language:English
Subjects:
active irrigation
Bioceramics
Bioengineering
Computed tomography
Dentistry
Effectiveness
Emission
Endodontics
Epoxy resins
Er:YAG laser
filler
Fillers
Irrigation
Lasers
Lasers in medicine
Lavage
Molars
oval root canal
retreatment
Root canals
Sealing compounds
Semiconductor lasers
Sodium hypochlorite
Statistical analysis
Streaming
Syringes
YAG lasers
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Summary:The removal of filling material is important for successful root canal retreatment. The aim of the study was to compare the efficiency of two activated irrigation techniques, the shock wave-enhanced emission photoacoustic streaming (SWEEPS) mode of the Er:YAG laser and ultrasonically activated irrigation (UAI) and a conventional syringe-needle technique (SNI), in the removal of bioceramic sealer/gutta-percha during conventional retreatment in oval root canals. The study sample consisted of distal root canals of 42 extracted human mandibular molars, which were prepared using a ProTaper Next system up to size 40/0.06 and filled with bioceramic sealer using a single-cone obturation technique. The teeth were then re-treated with a Reciproc Blue RB40 file and 3% sodium hypochlorite solution. The prepared teeth were randomly divided into three groups (n = 14 per group) and subjected to one of the three irrigation methods. Micro-CT scans were performed at different stages to assess the amount of filling material after each retreatment phase. The results of the study showed that all the tested irrigation techniques reduced a statistically significant amount of the remnant filling material at retreatment (p < 0.05), and there were no statistically significant differences in efficacy between the three methods. All tested techniques had similar efficacy in the removal of the remaining filling remnants.
ISSN:2306-5354
2306-5354
DOI:10.3390/bioengineering9120820