Results 21 to 30 of about 66,152 (249)

Examination of the Quality of the Manual Pre-Sterilization Processing of Dental Instruments Using Benzidine Test

Acta Medica Bulgarica, 2016
The risk of infections in dental practices has been attracting for decades the interest of researchers from all over the world. A serious problem related to the transmission of blood-borne viruses is the thorough removal of organic matter, and mainly ...
Stoeva V., Kevorkyan A., Raycheva R., Kondeva V., Stoilova Y.   +4 more
doaj   +1 more source

Evaluation of apical debris extrusion and patency file in continuous and reciprocating rotary endodontic systems.

Journal of Oral Research, 2019
The aim of the study was to quantify and compare apical debris extrusion in two systems of continuous and reciprocating rotary instrumentation with, and without, the use of a patency file.
Tomas Bordagaray, Karin Steinfort, Martin Pendola, Hector Monardes, Jaime Abarca   +4 more
doaj   +1 more source

Analysis of the characteristics of periodontal curettes used for scaling the roof of the furcation by manual versus digital method

Revista de Odontologia da UNESP, 2021
Introduction The treatment of periodontal disease in multiradicular teeth with furcation involvement is a challenge for dentists, with unpredictable results.
Larissa Porcaro SALOMÃO, Marcela Morgana Teixeira da SILVA, Alessandra Areas e SOUZA, Gabriela Alessandra da Cruz Galhardo CAMARGO, Eliane Marçon BARROSO, Elizangela Cruvinel ZUZA   +5 more
doaj   +1 more source

Comparative evaluation of Enterococcus faecalis counts in different tapers of rotary system and irrigation fluids: An ex vivo study

Dental Research Journal, 2018
Background: Bacteria and their by-products are etiological factors for the failure of endodontic treatment. Reduction of root canal bacterial contamination is one of the chief aims of root canal therapy.
Amir Arsalan Navabi, Abbas Ali Khademi, Masoud Khabiri, Paridokht Zarean, Parichehr Zarean   +4 more
doaj   +1 more source

Bacterial microleakage in endodontically treated teeth following two methods of postspace preparation at two-time intervals: An in vitro study

The Journal of Indian Prosthodontic Society, 2022
Aims: The goal of this study was to analyze the bacterial microleakage following two methods (heat vs. rotary) of postspace preparation after two-time intervals (immediate vs. 1 week later). Setting and Design: In vitro-comparative study.
Azam S Mostafavi, Mahsa Rasoulzadehsheikh, Naghmeh Meraji, Maryam Pourhajibagher   +3 more
doaj   +1 more source

Analysis of thermal profiles on tooth structure and insert during one-piece or adapter-coupled ultrasonic insert use: an in vitro experimental study [PDF]

Restorative Dentistry & Endodontics
Objectives This in vitro study aimed to evaluate temperature variation on the external surface of mandibular molars and within ultrasonic inserts when using adapter-coupled versus one-piece inserts.
Gabriela Loewen Brotto, Bruno Monguilhott Crozeta, Bruno Marques-da-Silva, Alysson Nunes Diógenes, Emmanuel João Nogueira Leal da Silva, Flávia Sens Fagundes Tomazinho   +5 more
doaj   +1 more source

Radicular Intracanal Splitting Forces and Cutting Efficiency of NiTi Rotary Versus Reciprocating Systems: A Comparative In Vitro Study

Cosmetics, 2023
This study aimed to compare the intracanal lateral force and cutting efficiency associated with two engine-driven nickel-titanium (NiTi) systems during root canal shaping.
Anas Al-Jadaa, Ranya F. Alsmadi, Wesal M. Salem, Aya A. Abdulridha, Kelvin I. Afrashtehfar   +4 more
doaj   +1 more source

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

Ultrasonic Abrasion: An Alternative for Cavity Preparation [PDF]

Pesquisa Brasileira em Odontopediatria e Clínica Integrada, 2007
Introduction: Restorative dentistry aims to repair damages caused by caries disease. Along the years, researchers have developed effective and less invasive methods with the goal of preserving the teeth from caries destruction. Therefore, the improvement
Áurea Simone Barrôso VIEIRA, Lívia Azeredo ANTUNES, Lucianne Cople MAIA, Laura Guimarães PRIMO   +3 more
doaj  

Effect of Separated Instruments on Apical Seal of Root Canals Obturated with Different Techniques: An In-vitro Stereomicroscopic Study [PDF]

Journal of Clinical and Diagnostic Research
Introduction: Practitioners often encounter challenges during root canal preparation, particularly with instrument separation. There is a need to understand how broken instruments interact with different obturation techniques.
Ashwini A Narayanan, Jyoti S Mandlik, Sarita V Singh, Abhijit Bajirao Jadhav, Ruchira Bhamare, Vinaya Prabhanjan Ingale   +5 more
doaj   +1 more source