Results: 441

Postoperative pain intensity after using different instrumentation techniques: a randomized clinical study

J. appl. oral sci; 25 (1), 2017
Abstract Postoperative pain is a frequent complication associated with root canal treatment, especially during apical instrumentation of tooth with preexisting periradicular inflammation Objectives The aim of this clinical study was to evaluate the influence of the instrumentation techniques on the inc...

Efeito antimicrobiano do bacteriófago geneticamente modificado φEf11/φFL1C(Δ36)PnisA sobre cepas de E. faecalis em biofilme estático e em canais radiculares infectados

A presença de micro-organismos no sistema de canais radiculares (SCR) tem sido apontada como uma das principais causas de insucesso da terapia endodôntica. A capacidade de formar biofilme e penetrar nos túbulos dentinários são fatores de sobrevivência que favorecem a perpetuação de micro-organism...

Effect of final irrigation protocols on microhardness reduction and erosion of root canal dentin

Abstract This study aimed to evaluate the effect of final irrigation protocols on microhardness reduction and erosion of root canal dentin. Sixty root canals from mandibular incisors were instrumented and randomly divided into six groups (n = 10) according to the irrigant used: QMiX, 17% EDTA, 10% citric...

The need for endodontic treatment and systemic characteristics of hematopoietic stem cell transplantation patients

Abstract The aim of this study is to investigate the relationship between the epidemiological and clinical profiles of patients before and after hematopoietic stem cell transplantation (HSCT) and the need for endodontic treatment. The subjects included 188 individuals enrolled in the dental care program ...

Comparison of two methods of irrigant agitation in the removal of residual filling material in retreatment

Abstract: The aim of this study was to compare the efficacy of passive ultrasonic irrigation and EasyClean for removing residual filling material in retreatment. Twenty-two maxillary lateral incisors with apical curvature were instrumented with ProTaper files and filled with Endofill using the lateral co...

Effect of ultrasonic streaming on intra-dentinal disinfection and penetration of calcium hydroxide paste in endodontic treatment

J. appl. oral sci; 24 (6), 2016
ABSTRACT Objective The antimicrobial effect of ultrasonic agitation of calcium hydroxide (CH) pastes in infected bovine dentin and their penetrability were evaluated using confocal laser scanning microscopy (CLSM) and microbiological culture. Material and Methods Fifty-two bovine teeth were infected ...

Why not to treat the tooth canal to solve external root resorptions? Here are the principles!

ABSTRACT This paper aims at exposing the foundations or reasons why, in cases of external tooth resorption, including those of orthodontic origin, one should not perform a root canal to treat it. That should be done only to teeth with contamination or pulp necrosis, to remove the periapical inflammation ...

Evaluation of the dentin changes in teeth subjected to endodontic treatment and photodynamic therapy

Introduction: Antimicrobial photodynamic therapy (PDT) is an efficient adjuvant technique to promote disinfection of the root canal system. Therefore, it is important to investigate changes to dentin morphology and permeability induced by the use of diode laser on the root dentin. Objective: The purpose...

The effect of various kinematics on postoperative pain after instrumentation: a prospective, randomized clinical study

J. appl. oral sci; 24 (5), 2016
ABSTRACT Objective: To evaluate various kinematic movements on postoperative pain using a Reciproc system. Material and Methods: Fifty-six molar teeth were divided into four groups according to kinematics as follows: continuous rotation, 360° CCW – 30° CW, 270° CCW – 30° CW, and 150° C...