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Mostrando ítems 1-10 de 1976
pH changes after manual or ultrasonic instrumentation and smear layer removal with EDTA or ultrasonic
(Wiley-Blackwell, 2008-10-01)
The purpose of the present study was to evaluate the influence of instrumentation techniques associated with the smear layer removal, in the pH changes of the root surface. Thirty mandibular humans premolars were divided ...
pH changes after manual or ultrasonic instrumentation and smear layer removal with EDTA or ultrasonic
(Wiley-Blackwell, 2008-10-01)
The purpose of the present study was to evaluate the influence of instrumentation techniques associated with the smear layer removal, in the pH changes of the root surface. Thirty mandibular humans premolars were divided ...
Evaluation of Ultrasonic and ErCr:YSGG Laser Retrograde Cavity Preparation
(Elsevier B.V., 2009-05-01)
Root end cavity preparation techniques aim to create a clean and properly shaped cavity in a short time. Although the use of ultrasonics has been widely recommended, a laser can also be used. This study evaluated the time ...
Evaluation of Ultrasonic and ErCr:YSGG Laser Retrograde Cavity Preparation
(Elsevier B.V., 2009-05-01)
Root end cavity preparation techniques aim to create a clean and properly shaped cavity in a short time. Although the use of ultrasonics has been widely recommended, a laser can also be used. This study evaluated the time ...
Stress evaluation of railroad forged wheels by ultrasonic testing
(Amer Soc Testing MaterialsW ConshohockenEUA, 2007)
Does the Ultrasonic Cleaning Medium Affect the Adhesion of Resin Cement to Feldspathic Ceramic?
(Quintessence Publishing Co Inc, 2012-12-01)
Purpose: To evaluate the effect of different cleaning media on the adhesion of resin cement to feldspathic ceramic after etching.Materials and Methods: The cementation surfaces of ceramic blocks (N = 20, n = 5 per group) ...
Postoperative thyroid bed granuloma incidence using ultrasonic knife in total thyroidectomy in cancer patients
(SOC CIRUJANOS CHILE, 2012)
Background: The postoperative thyroid bed granuloma incidence is high and it is an adittional difficulty for the ultrasound differential diagnosis of eventual local cancer recurrence. The ultrasonic knife utilization ...
Reconstrução de imagens de ultrassom usando esparsidade: métodos iterativos rápidos
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Elétrica e Informática IndustrialUTFPR, 2017-08-23)
This study contributes to the search for fast iterative methods for ultrasonic sparse image reconstruction. The goal is achieved in three steps: the validation of a discrete acquisition model, a comparative evaluation of ...
Ultrasonic activation of internal bleaching agents
(2013-01-01)
Aim: To evaluate the effectiveness of ultrasonic activation of bleaching agents during ex vivo internal bleaching. Methodology: Fifty canine human teeth were artificially stained, root filled and divided into five groups ...