Comparative Evaluation of Debris and Irrigation Extruded Apically Using Different Design of Needles and Penetration Depth – An In Vitro Study

Sıla Nur Usta1
Department of Endodontics, Gulhane Faculty of Dentistry, University of Health Sciences, Ankara, Turkey
Exploring the impact of remaining tooth structure and preparation size on the fracture resistance of endodontically treated mandibular premolars
Abstracts
This study evaluated the influence of the combined effects of remaining dentin walls and mechanical instrumentation with taper sizes of 0.04 and 0.06 on the fracture resistance of endodontically treated mandibular premolars.
This study emphasized the importance of preserving coronal dentin for fracture
resistance in endodontically treated teeth (ETTs). Conservative instrumentation did not provide any advantages over traditional preparation in increasing fracture resistance.
DOI: 10.34172/joddd.025.42125
Impact of conservative versus conventional instrumentation on the release of inflammatory mediators and post- operative pain in mandibular molars with asymptomatic irreversible pulpitis
Abstracts
This study aimed to compare the release of inflammatory mediators and
post- operative pain after conservative and conventional root canal preparations of
mandibular molars with asymptomatic irreversible pulpitis.
Conservative root canal preparation of mandibular molars with
asymptomatic irreversible pulpitis decreased the release of inflammatory mediators
but did not influence post- operative pain.
DOI: 10.1111/iej.14224
Combination of chitosan nanoparticles, EDTA, and irrigation activation enhances TGF-β1 release from dentin: a laboratory study
Abstracts
This study aimed to investigate the effects of sonic (EDDY), ultrasonic (PUI), and laser
(SWEEPS) activation of chitosan-nanoparticles enriched EDTA irrigation on the release of
TGF-β1 from dentin in regenerative endodontic treatments (RETs).
The combination of EDTA and chitosan nanoparticles, particularly when used
with advanced irrigation activation methods such as SWEEPS and EDDY, significantly
increased TGF-β1 release from dentin. These results suggest that both the choice of irrigant and activation method can influence growth factor release in RETs.
DOI: https://doi.org/10.1016/j.joen.2025.04.011




