Results 121 to 130 of about 4,611 (235)

Evaluation of the Effectiveness of MicroMega Remover, ProTaper Universal Retreatment, Reciproc, and Hedstrom Files in the Retreatment of Curved Root Canals Obturated with Different Techniques: A Micro-Computed Tomography Study

Medicina
Background and Objectives: The anatomically demanding structure of curved root canals increases the technical difficulty of retreatment procedures. This study aimed to evaluate the retreatment efficacy of various rotary and reciprocating instruments in ...
Pınar Hava Dursun, Fatma Semra Sevimay, Arda Buyuksungur, Berkan Celikten   +3 more
doaj   +1 more source

A Chronicle of Disrupted Flows—Bordering of the Amphibious Bengal Delta

Area, Volume 58, Issue 2, June 2026.
Short Abstract The Sundarbans is often framed as a climate crisis hotspot, a perspective that risks naturalising a historically produced condition. This paper argues that present vulnerabilities are rooted in colonial interventions that disrupted a dynamic, amphibious landscape shaped by seasonal floods, tides and human–nonhuman interdependencies ...
Madhurima Majumder, Ingrid Boas, Annet Pauwelussen, Ruben Dahm   +3 more
wiley   +1 more source

The effectiveness of manual and mechanical instrumentation for the retreatment of three different root canal filling materials

, 2008
The aim of this study was to compare the effectiveness of the Mtwo R (Sweden & Martina, Padova, Italy), ProTaper retreatment files (Dentsply-Maillefer, Ballaigues, Switzerland), and a Hedstrom manual technique in the removal of three different filling ...
Gianluca Plotino, Francesco Somma, GRANDE, NICOLA MARIA, Cornelis H. Pameijer, Giuseppe Cammarota   +4 more
core   +1 more source

Efficacy of two rotary systems in removing gutta-percha and sealer from the root canal walls

Iranian Endodontic Journal, 2011
INTRODUCTION: The aim of this in vitro study was to compare the efficacy of two retreatment rotary systems in removal of gutta-percha (GP) and sealer from the root canal walls with and without use of solvent.
Bahareh Dadresanfar, Payman Mehrvarzfar, Mohammad Ali Saghiri, Sedigh Ghafari, Zohreh Khalilak, Mehdi Vatanpour   +5 more
doaj  

Evaluation of the performance of ChatGPT‐4 and ChatGPT‐4o as a learning tool in endodontics

International Endodontic Journal, Volume 59, Issue 6, Page 1057-1069, June 2026.
Abstract Aims The aim of this study was to evaluate the accuracy and consistency of responses given by two different versions of Chat Generative Pre‐trained Transformer (ChatGPT), ChatGPT‐4, and ChatGPT‐4o, to multiple‐choice questions prepared from undergraduate endodontic education topics at different times of the day and on different days ...
Esra Arılı Öztürk, Ceren Turan Gökduman, Burhan Can Çanakçi   +2 more
wiley   +1 more source

Virtual reality and haptic simulation in modern microsurgical endodontics: Case report and proof of concept

International Endodontic Journal, Volume 59, Issue 6, Page 1286-1296, June 2026.
Abstract Aim To highlight the development and application of a novel virtual reality (VR) haptic simulation program in endodontic microsurgery (EMS) to prepare for a clinical case performed by a resident student. Summary Modern EMS requires adequate training and a learning curve for mastering surgical techniques and refining individual skills.
Damiano Pasqualini, Giorgia Carpegna, Mario Alovisi, Elio Berutti, Sami Chogle   +4 more
wiley   +1 more source

Comparative evaluation of the canal transportation after retreatment with Solite RS3 and Protaper Universal retreatment files: a nano computed tomography study

Brazilian Dental Science
Objective: The primary objective of instrumentation during retreatment is to preserve the original curvature of the canal while removing gutta-percha. The current study assesses the canal transportation after retreatment with two different retreatment ...
Sruthi Sairaman , Pradeep Solete , Ganesh Jeevanandam , Divya Sena, Kavalipurapu Venkata Teja, Mohammed Mustafa   +5 more
doaj   +1 more source

The impact of apical periodontitis, non-surgical root canal retreatment and periapical surgery on serum inflammatory biomarkers. [PDF]

Int Endod J, 2022
Bakhsh A, Moyes D, Proctor G, Mannocci F, Niazi SA.   +4 more
europepmc   +1 more source

Outcomes of root canal treatment performed by undergraduate students: A systematic review and meta‐analysis

International Endodontic Journal, Volume 59, Issue 6, Page 929-942, June 2026.
Abstract Background The outcomes of root canal treatment performed by students has not been well researched. Treatment outcomes of student clinicians directly correspond to the education they receive and therefore paves the way for future directions in endodontic education.
Philip Y.‐H. Chien, Sepanta Hosseinpour, Ove A. Peters, Christine I. Peters   +3 more
wiley   +1 more source

In vitro evaluation of efficacy of different rotary instrument systems for gutta percha removal during root canal retreatment

, 2016
Background: Complete removal of old filling material during root canal retreatment is fundamental for predictable cleaning and shaping of canal anatomy.
Ahlawat, Jyoti, Malhotra, Amit, Talwar, Sangeeta, Joseph, Mercy, Sharma, Abhimanyu, Rao, Murali   +5 more
core