Introduction: To compare the apical extrusion of debris produced during root obturating material removal from severely curved root canals using either Reciproc (REC) or ProTaper Next (PTN) systems.
Methods And Materials: Twenty-six mesial canals of lower molars were instrumented, filled and allocated into two groups (=13). Micro-computed tomographic images were performed to determine the root canal configuration (Vertucci's type IV) and initial volume of obturation. One Eppendorf tube was assigned per canal and weighed (10g) before and after removal of the obturating material. The difference between the initial and final weights was calculated and statistically evaluated.
Results: Apical extrusion of debris was confirmed in all samples, and the mean amount of apical extrusion was similar between both groups (0.061±0.014 g in PTN 0.065±0.016 g in REC samples) (<0.05).
Conclusion: Both systems caused apical extrusion of debris with no differences between PTN and REC systems.
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http://dx.doi.org/10.22037/iej.v12i3.15850 | DOI Listing |
Bioessays
December 2024
Department of Biochemistry and Molecular Biology, Louisiana Cancer Research Center, Tulane University School of Medicine, New Orleans, Louisiana, USA.
Epithelial tissues serve as critical barriers in metazoan organisms, maintaining structural integrity and facilitating essential physiological functions. Epithelial cell polarity regulates mechanical properties, signaling, and transport, ensuring tissue organization and homeostasis. However, the barrier function is challenged by cell turnover during development and maintenance.
View Article and Find Full Text PDFDent Res J (Isfahan)
November 2024
Department of Endodontics, Faculty of Dentistry, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.
Background: Periapical extrusion of debris for root retreatment will effectively improve the posttreatment inflammation and pain. The aim of this study was to investigate the extruded debris for root retreatment using XP shaper and ProTaper files.
Materials And Methods: In his experimental laboratory study, 40 extracted human maxillary molars were used in this laboratory study.
Dent J (Basel)
November 2024
Department of General Surgery and Surgical-Medical Specialties, University of Catania, 95131 Catania, Italy.
: Apical extrusion of debris can affect the success of endodontic treatments, and the specific performance of certain retreatment systems has not been studied yet. Therefore, the aim of this in vitro study was to quantitatively assess the amount of apically extruded debris produced during retreatment procedures using three rotary NiTi retreatment systems in mature non-resorbed straight roots. : Thirty extracted permanent human teeth with single straight roots were selected.
View Article and Find Full Text PDFBMC Oral Health
December 2024
Department of Pediatric Dentistry, Faculty of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran.
Background And Objectives: Although effective irrigation methods are crucial for pulpectomy in primary teeth (PT), no consensus exists on the best technique. This study guides clinicians in making evidence-based choices for irrigation techniques in PT.
Design: This study reviewed in vitro and in vivo research on PT using an extensive electronic search up to April 2024.
Eur Endod J
December 2024
Department of Biomedical and Neuromotor Sciences, Endodontic Clinical Section, Dental School, University of Bologna, Bologna, Italy.
Objective: To evaluate the outcome of teeth filled with a single cone technique and a premixed bioceramic sealer at 3 years of follow-up.
Methods: Healthy patients were consecutively treated by a cohort of postgraduate operators. Root canal filling procedures were performed with NiTi rotary instrumentation, while non-surgical retreatments were performed using NiTi reciprocating instruments.
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