Results 101 to 110 of about 31,276 (284)

Clinical Outcome of Non‐Surgical Endodontic Treatment Performed by Undergraduate Dental Students: A Retrospective Observational Cohort Study

open access: yesInternational Endodontic Journal, EarlyView.
ABSTRACT Aim To evaluate the outcome of pulpectomy, root canal treatment (RCT) and orthograde retreatment in permanent teeth performed by undergraduate dental students and to assess the influence of various variables. Methodology Electronic dental health records at the Department of Odontology, University of Copenhagen, Denmark were analysed covering ...
S. Ramezanzade   +18 more
wiley   +1 more source

Una nueva localidad pérmica con fusulínidos en Puebla

open access: yesRevista Mexicana de Ciencias Geológicas, 2019
En la región mixteca del Estado de Puebla, cerca del límite noroccidental de Oaxaca, al oriente del poblado de Progreso, existen rocas metamórficas del Complejo Acatlán asociadas a rocas pérmicas marinas.
Salvador Enciso-De la Vega
doaj  

Estudio de minerales en vacuolas de rocas lamproíticas del Sureste Español

open access: yesGeogaceta
Las rocas lamproíticas del Sureste de España constituyen dentro del vulcanismo neógeno uno de los exponentes geológicos más destacados de la actividad magmática producida en el sureste peninsular durante el Mioceno (Tortoniense-Mesiniense).
María Asunción Alías Linares   +1 more
doaj   +1 more source

Rocas y minerales

open access: yes, 2014
El programa consta de 15 activitats educatives de la identificació visual de les roques i minerals i els seus usosEnsino Fundamental Final::Ciências ...
García Fernández, Antonio
core  

Microorganisms in root canal-treated teeth from a German population

open access: yes, 2008
Posttreatment apical periodontitis is usually associatedwith persistent or secondary intraradicular infection. This study evaluated the presence and relative levels of 28 bacterial taxa in treated root canals of teeth with post-treatment apical ...
Huelsmann, Micbael   +2 more
core   +1 more source

Outcome of Calcium Silicate Sealer‐Based Obturation in Root Canal Retreatment: A CBCT‐Based Prospective Cohort Study

open access: yesInternational Endodontic Journal, EarlyView.
ABSTRACT Background Calcium silicate sealers (CSS) have become the dominant approach to root canal obturation in many specialist practices, yet evidence on their performance in nonsurgical retreatment is sparse and CBCT‐based assessment remains uncommon.
Ahmad Aldowaisan   +6 more
wiley   +1 more source

Rocas y minerales

open access: yes, 2016
El programa consta de 15 activitats educatives de la identificació visual de les roques i minerals i els seus usosEnsino Fundamental Final::Ciências ...
García Fernández, Antonio
core   +1 more source

Prevalence of Apical Periodontitis in Eight Hispanic American Countries

open access: yesInternational Endodontic Journal, EarlyView.
ABSTRACT Aim This multicenter cross‐sectional study evaluated the prevalence and variables statistically associated with primary and post‐treatment apical periodontitis (AP) in subjects from eight Hispanic American countries. Methodology Digital panoramic radiographs from subjects living in Argentina, Colombia, Ecuador, Guatemala, Mexico, Dominican ...
Sandra R. Hernández   +16 more
wiley   +1 more source

Rocas en un paraje

open access: yes, 1955
Reportaje 170. I.O.""15204"
Nacho López (photographer)
core  

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