Publications by authors named "M A Vitoria"
Article Synopsis
- The introduction of direct-acting antivirals (DAAs) offers hope for eliminating hepatitis C virus (HCV) by 2030, but some patients (2%-12%) experience treatment failure, potentially due to existing drug resistance.
- A systematic review of 56 studies found a high prevalence of hepatitis C resistance-associated substitutions (RAS) among patients with virological failure after DAA treatment, ranging from 78% to 100% depending on the specific treatment regimen.
- The findings highlight the importance of monitoring DAA-associated resistance and understanding its implications for future treatment strategies.
Evaluation of different mechanical cleaning protocols associated with 2.5% sodium hypochlorite in the removal of residues from the post space.
J Conserv Dent Endod
March 2024
Aims: This study evaluated the effectiveness of different mechanical protocols using rotary brush (RB), ultrasonic tip, and oscillatory system (OS) associated with 2.5% sodium hypochlorite (NaOCl) in the removal of residues and dentin permeability in the cervical and apical segments of the post space.
Settings And Design: Experimental study.
Several studies have shown that mouth movements related to the pronunciation of individual phonemes are represented in the sensorimotor cortex. This would theoretically allow for brain computer interfaces that are capable of decoding continuous speech by training classifiers based on the activity in the sensorimotor cortex related to the production of individual phonemes. To address this, we investigated the decodability of trials with individual and paired phonemes (pronounced consecutively with one second interval) using activity in the sensorimotor cortex.
View Article and Find Full Text PDFThis article discusses the impacts of the COVID-19 pandemic on health systems and its effects on the working conditions and mental health of health professionals and invisible health workers. It presents data on deaths among health professionals, highlighting the need for better and safer working conditions and improvements in public management. We emphasize WHO/PAHO recommendations and the need for equitable vaccine distribution, including poor countries and vulnerable populations.
View Article and Find Full Text PDFFracture strength and hybrid layer formation of endodontically-treated teeth after dental bleaching photoactivated with violet LED.
Photodiagnosis Photodyn Ther
December 2023
Objective: To evaluate in vitro the effect of dental bleaching using high concentration hydrogen peroxide (HP) photoactivated with violet LED on fracture strength and hybrid layer formation.
Methods: forty endodontically-treated bovine teeth were randomized into four groups (n = 10): C - Control, HP - 35% hydrogen peroxide, HP-BL - 35% hydrogen peroxide photoactivated with blue LED, HP-VL - 35% hydrogen peroxide photoactivated with violet LED. Three bleaching sessions with an interval of 7 days between them were performed.