Results 41 to 50 of about 7,948 (236)

Sealing efficacy of system B versus Thermafil and Guttacore obturation techniques evidenced by scintigraphic analysis [PDF]

, 2017
This study compared root canal sealing ability, filled by Continuous Wave compaction and two carrier-based obturation systems, using the nuclear medicine approach. Fifty-five single-rooted extracted teeth were selected. The crowns were sectioned and each
Abrantes, Margarida, Caramelo, Francisco, Ferreira, Hugo Diogo, Marques-Ferreira, Manuel, Palmeirão-Carrilho, Eunice Virgínia, Rabaça-Botelho, Maria-Filomena   +5 more
core   +1 more source

EFFICACY OF PROTAPER NEXT AND PROTAPER UNIVERSAL RETREATMENT SYSTEMS IN REMOVING GUTTA-PERCHA IN CURVED ROOT CANALS DURING ROOT CANAL RETREATMENT

Journal of Istanbul University Faculty of Dentistry, 2017
The aim of this study was to compare the cleanliness of root canal walls after retreatment using ProTaper Next (PTN), ProTaper Universal Retreatment (PTR) nickel-titanium (NiTi) systems and Hedström hand files in curved mesial canals of mandibular molar teeth and the time required for gutta-percha and sealer removal.Ninety mandibular molar teeth with ...
ÖZYÜREK, Taha, ÖZSEZER DEMİRYÜREK, Ebru   +1 more
openaire   +4 more sources

Comparing the root canal filling removal efficiency of XP-endo retreatment system with hand Files, R-endo, reciproc and protaper universal retreatment systems in curved root canals: a micro-CT study

BMC Oral Health
Background Residual root canal filling material might inhibit the efficacy of irrigation materials, medicaments and sealers during the endodontic non-surgical retreatment.
Eren Orhan, Kaan Orhan, Mert Ocak, Betul Gunes   +3 more
doaj   +1 more source

The spread of non‐native species

Biological Reviews, EarlyView.
ABSTRACT The global redistribution of species through human agency is one of the defining ecological signatures of the Anthropocene, with biological invasions reshaping biodiversity patterns, ecosystem processes and services, and species interactions globally.
Phillip J. Haubrock, Ali Serhan Tarkan, Irene Martín‐Forés, Stelios Katsanevakis, Ronaldo Sousa, Ismael Soto, Andy J. Green, Antonín Kouba, Teun Everts, Victoria Dominguez Almela, Nadège Belouard, Cang Hui, Jamie Bojko, Victor Deklerck, Margaux Boeraeve, Franz Essl, J. Robert Britton   +16 more
wiley   +1 more source

Comparative Evaluation of the Efficacy of ProTaper & Mtwo Rotary Retreatment System and Conventional Hand H-files for Removal of Gutta-percha from Root Canal - A Stereomicroscopic Study

Indian Journal of Dental Research
Background Root canal retreatment aims to eliminate or substantially reduce the microbial load from the root canal and removal of previous root filling materials is the primary goal of nonsurgical retreatment.
Krutika D. Chudasama, Shraddha Chokshi, Zarana Sanghvi, Nishit Patel, Naman Vaidya, Deesha Chhaya   +5 more
doaj   +1 more source

Root canal retreatment using Reciproc and ProTaper universal systems. Comparative evaluation [PDF]

Romanian Journal of Stomatology, 2019
The aim of this study was to compare the efficacy of two rotary retreatment systems in removing remnants of filling materials during root canal retreatment. Materials and methods.
Sînziana Adina Scărlătescu, Irina Maria Gheorghiu, Anca-Nicoleta Temelcea, Paula Perlea   +3 more
doaj   +1 more source

Novas tecnologias associadas ao retratamento endodôntico não cirúrgico [PDF]

, 2016
Introdução: O trabalho elaborado desenvolve o tema seguinte: Novas tecnologias associadas ao retratamento endodôntico não cirúrgico. Desde o início da medicina dentária que somos deparados com o insucesso nos tratamentos realizados, na endodôntia sendo ...
Cardoso, Luis Filipe Pires Coelho Marreiros
core  

Outcomes of Primary Endodontic Therapy in Medicaid Enrollees [PDF]

, 2020
The objective of this study was to determine factors affecting survival of teeth after nonsurgical root canal therapy (NSRCT) among enrollees of Wisconsin Medicaid during the years 2001-2009.
Gainey, Timothy
core   +1 more source

A systematic review of nonsurgical single-visit versus multiple-visit endodontic treatment [PDF]

, 2014
published_or_final_versio
Chu, CH, Wong, AWY, Zhang, C
core   +1 more source

Early evolutionary history of the seed

Biological Reviews, EarlyView.
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman, Alan R. T. Spencer, Jason Hilton   +2 more
wiley   +1 more source