Entrococcus faecalis elimination in retreatment cases using passive ultrasonic irrigation, manual dynamic activation and photodynamic therapy: a randomized clinical trial

Bilgin, Burcu; Türker, Sevinç Aktemur; Aslan, Mehtap Hülya; Sağlam, Baran Can; Koçak, Sibel; Koçak, Mustafa Murat; Bodrumlu, Emre

doi:10.4103/tdj.tdj_42_19

Cited by 2 publications

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“…This result was in accordance with the study done by Bilgin et al . [ 16 ] The formation and implosion of bubbles during the ultrasonic activation results in the formation of powerful shockwaves that produces shear stress along the canal walls that help in the detachment of biofilm from the root canal. [ 17 ]…”

Section: Discussionmentioning

confidence: 99%

Comparative evaluation of antimicrobial efficacy on Enterococcus faecalis and smear layer removal in curved canals by different irrigation techniques: An in vitro study

et al. 2022

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Background: Various irrigation techniques have been proposed to improve the effectiveness of root canal debridement. Aims: The aim of the study was to compare the antimicrobial effect on Enterococcus faecalis and smear layer removal efficacy in curved canals by different irrigation techniques. Materials and Methods: Eighty extracted permanent maxillary molars with curved mesiobuccal roots were inoculated with E. faecalis . The tooth samples were then divided into four groups: Group A – EndoVac, Group B – Passive Ultrasonic Irrigation (PUI), Group C – Photodynamic Therapy (PDT), and Group D – Laser Irrigation with Photon-Induced Photoacoustic Streaming (PIPS). The percentage of bacterial reduction was calculated. The presence of smear layer from coronal, middle, and apical sections was evaluated through scanning electron microscopy. Statistical Analysis: Statistical analysis was performed using Kruskal–Wallis test. Intergroup comparison was made with Mann–Whitney U -test. Results: Although statistically insignificant, the irrigation techniques have shown considerable reduction in E. faecalis biofilm ( P > 0.05). EndoVac, PUI, and PIPS have shown significantly higher efficacy in removing smear layer from apical third than PDT ( P < 0.001). Conclusion: The newer PIPS technology can be used as an efficient tool in the decontamination of root canals. However, more clinical studies in this aspect are required to ensure more thorough debridement and disinfection of the root canal system.

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Section: Discussionmentioning

confidence: 99%