Epidemiology of traumatic dental injuries.

abstract：:The aim of this study was to evaluate the presence of bacterial biofilm on the external surface of the root apex in teeth with pulp necrosis, with and without radiographically visible periapical lesions, and in teeth with a vital pulp. Twenty-one teeth were extracted, eight with pulp necrosis and periapical lesions, e...

journal_title：Journal of endodontics

authors： Leonardo MR,Rossi MA,Silva LA,Ito IY,Bonifácio KC

更新日期：2002-12-01 00:00:00

abstract：INTRODUCTION:Sphingosine-1-phosphate receptor 1 (S1P1) is crucial for regulation of immunity and bone metabolism. This study aimed to investigate the expression of S1P1 in rat periapical lesions and its relationship with receptor activator of nuclear factor kappa B ligand (RANKL) and regulatory T (Treg) cells. METHODS...

journal_title：Journal of endodontics

authors： Xiao L,Zhu L,Yang S,Lei D,Xiao Y,Peng B

更新日期：2015-04-01 00:00:00

abstract：:Regulated cell death (RCD) is a preferred term inclusive of all modes of cell death regulated by multiple intracellular signal transduction pathways under physiological and pathologic conditions. Although cell death programs ensure correct growth and developmental processes as well as protect the host against microbia...

journal_title：Journal of endodontics

authors： Huang M,Zhan C,Yang X,Hou J

更新日期：2020-10-01 00:00:00

abstract：INTRODUCTION:The presence of cracks and fractures in teeth can pose difficulties in diagnosis, prognosis assessment, and treatment recommendations. When a tooth has no significant restorations or caries, whereby the pulp is nonvital in the absence of a luxation injury, it is suggested that this necrosis is likely cause...

journal_title：Journal of endodontics

authors： Berman LH,Kuttler S

更新日期：2010-03-01 00:00:00

abstract：INTRODUCTION:Regenerative endodontic procedures are an alternative treatment for immature teeth with necrotic pulps. Typically, intracanal medicaments such as triple antibiotic paste (TAP) or double antibiotic paste (DAP) and calcium hydroxide (Ca[OH](2)) are used for disinfection. However, their effect on human stem c...

journal_title：Journal of endodontics

authors： Ruparel NB,Teixeira FB,Ferraz CC,Diogenes A

更新日期：2012-10-01 00:00:00

abstract：:The objective of this study was to compare the effectiveness of F-files and ultrasonics to remove the smear layer from instrumented root canals when irrigated with sodium hypochlorite and EDTA. Sixty healthy human premolar teeth were instrumented with ProTaper file series to F3, and the canals were enlarged with Profi...

journal_title：Journal of endodontics

authors： Chopra S,Murray PE,Namerow KN

更新日期：2008-10-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to assess the ex vivo torsional performance of a novel rotary system in small root canals after 2 different glide path preparations. METHODS:Each independent canal of 8 mesial roots of mandibular molars was randomly assigned to achieve a reproducible glide path with a new set...

journal_title：Journal of endodontics

authors： Arias A,de Vasconcelos RA,Hernández A,Peters OA

更新日期：2017-03-01 00:00:00

abstract：INTRODUCTION:This clinical study was conducted to measure the endotoxin levels in infected root canals (RCs) and exudates related to acute apical abscesses (AAAs). In addition, the effectiveness of RC procedures in reducing the endotoxin levels in RCs was monitored. METHODS:Paired samples of infected RCs and exudates ...

journal_title：Journal of endodontics

authors： Sousa EL,Martinho FC,Nascimento GG,Leite FR,Gomes BP

更新日期：2014-02-01 00:00:00

abstract：:This study compared the quality of obturation of high- and low-temperature thermoplasticized injectable gutta-percha techniques and standard lateral condensation. A new model system was developed to more closely simulate the clinical environment. All obturations were performed in this same model which allowed direct c...

journal_title：Journal of endodontics

authors： Budd CS,Weller RN,Kulild JC

更新日期：1991-06-01 00:00:00

abstract：:An in vitro, flow-through optical system was designed to measure hemoglobin (Hb) concentrations in the pulp space. The system included light-emitting diodes and a silicon photodetector positioned on opposing surfaces of human teeth. A syringe pump allowed a controlled flow of blood through the pulp chamber. The Hb con...

journal_title：Journal of endodontics

authors： Diaz-Arnold AM,Arnold MA,Wilcox LR

更新日期：1996-01-01 00:00:00

abstract：:Terrein is a bioactive fungal metabolite whose anti-inflammatory properties are virtually unknown. The purpose of this study was to determine the effects of terrein on lipopolysaccharide (LPS)-induced expression of intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) in human denta...

journal_title：Journal of endodontics

authors： Lee JC,Yu MK,Lee R,Lee YH,Jeon JG,Lee MH,Jhee EC,Yoo ID,Yi HK

更新日期：2008-04-01 00:00:00

abstract：INTRODUCTION:Mineral trioxide aggregate (MTA) and calcium silicate (CS) cements exhibit acceptable levels of cytocompatibility. The aim of the present study was to evaluate MTA and CS cement genotoxicity in a human osteosarcoma cell line (MG63). METHODS:A mitochondrial colorimetric assay was used to evaluate the MG63 ...

journal_title：Journal of endodontics

authors： Ding SJ,Kao CT,Chen CL,Shie MY,Huang TH

更新日期：2010-07-01 00:00:00

abstract：INTRODUCTION:The aim of the present study was to investigate the influence of root-end preparation and filling material on endodontic surgery outcome. A systematic review and meta-analysis was conducted to determine the outcome of resin-based endodontic surgery (RES, the use of high-magnification preparation of a shall...

journal_title：Journal of endodontics

authors： Kohli MR,Berenji H,Setzer FC,Lee SM,Karabucak B

更新日期：2018-06-01 00:00:00

abstract：INTRODUCTION:Anesthetic efficacy of inferior alveolar nerve block decreases in patients with irreversible pulpitis. It was hypothesized that premedication with nonsteroidal anti-inflammatory drugs might improve the success rates in patients with inflamed pulps. METHODS:Sixty-nine adult volunteers who were actively exp...

journal_title：Journal of endodontics

authors： Aggarwal V,Singla M,Kabi D

更新日期：2010-03-01 00:00:00

abstract：:This case-control study sought to identify variables predictive of subsequent root canal therapy (RCT) in teeth receiving full coverage restorations. The University of North Carolina School of Dentistry's computerized treatment database was used to identify all patients receiving a single-unit crown on a nonendodontic...

journal_title：Journal of endodontics

authors： Kirakozova A,Caplan DJ

更新日期：2006-08-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to examine the effect of pulp cell injection on host angiogenesis during wound healing. METHODS:Pulp cells were isolated from extracted premolars by the outgrowth method. Fluorescently labeled pulp cells or phosphate-buffered saline were locally injected into a mouse wound healin...

journal_title：Journal of endodontics

authors： Yang H,Shin S,Ahn J,Choi Y,Kim KH,Chung CJ

更新日期：2013-06-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to investigate the effects of instrumentation and irrigation on the initial adherence of Enterococcus faecalis to root canal dentin and to explore initial microbial adhesion to root filling materials. METHODS:The following specimens were prepared: instrumented and uninstrumen...

journal_title：Journal of endodontics

authors： Xu J,He J,Shen Y,Zhou X,Huang D,Gao Y,Haapasalo M

更新日期：2019-07-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate and compare, clinically and radiographically, the effects of platelet-rich fibrin (PRF) and mineral trioxide aggregate (MTA) as pulpotomy agents in permanent teeth with incomplete root development. METHODS:A total number of 70 children requiring pulpotomy in 70 pe...

journal_title：Journal of endodontics

authors： Keswani D,Pandey RK,Ansari A,Gupta S

更新日期：2014-05-01 00:00:00

abstract：:This study compared the weight and radiographic appearance of Ca(OH)(2) delivered into standardized, minimally and fully prepared canals using (a) an injection system, (b) an endodontic Flex-O file rotated counter-clockwise, (c) a lentulo spiral, and (d) a .04 rotary NiTi file rotated in reverse. Two extracted human s...

journal_title：Journal of endodontics

authors： Simcock RM,Hicks ML

更新日期：2006-07-01 00:00:00

abstract：INTRODUCTION:Several bioactive bioceramics with osteoconductive effects can inhibit osteoclast formation and bone resorption in vitro, but the exact underlying mechanism has not been fully elucidated. Bioaggregate (BA), a novel calcium silicate nanoparticulate bioceramic, significantly induces bone and periodontal rege...

journal_title：Journal of endodontics

authors： Tian J,Qi W,Zhang Y,Glogauer M,Wang Y,Lai Z,Jiang H

更新日期：2015-09-01 00:00:00

abstract：INTRODUCTION:This study was done to evaluate the mechanism involved in stem cell factor (SCF) expression and production by lipopolysaccharide (LPS)-stimulated odontoblast (OD)-like cells and to investigate the signal transduction pathway activated in the process. METHODS:ODs-like cells (MDPC-23) were stimulated with d...

journal_title：Journal of endodontics

authors： Oliveira SH,Santos VA

更新日期：2012-05-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to combine multiple displacement amplification and checkerboard DNA-DNA hybridization to qualitatively and quantitatively evaluate the microbiota present in infections refractory to endodontic treatment. METHODS:The subjects of this study were 40 patients presenting with peri...

journal_title：Journal of endodontics

authors： Henriques LC,de Brito LC,Tavares WL,Teles RP,Vieira LQ,Teles FR,Sobrinho AP

更新日期：2016-08-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the push-out bond strengths of different obturating materials. METHODS:Forty single-rooted human extracted teeth were used in this study. The teeth were instrumented and irrigated by using 5.25% NaOCl, 15% ethylenediaminetetraacetic acid, and sterile water. The te...

journal_title：Journal of endodontics

authors： Stiegemeier D,Baumgartner JC,Ferracane J

更新日期：2010-02-01 00:00:00

abstract：:This study tested the hypothesis that the seal of EndoREZ may be improved with an adhesive-modified technique. Instrumented single-rooted teeth were filled with: (a) Warm vertical compaction with AH Plus (control); (b). EndoREZ with master cones and passive application of accessory cones; (c) Application of Clearfil L...

journal_title：Journal of endodontics

authors： Gillespie WT,Loushine RJ,Weller RN,Mazzoni A,Doyle MD,Waller JL,Pashley DH,Tay FR

更新日期：2006-08-01 00:00:00

abstract：:Ultrasonic instruments are a valuable asset for removing intraradicular posts from root canals before nonsurgical endodontic therapy. The purpose of this study was to evaluate the relative efficacy of post removal by ultrasonic and sonic devices. Fifty extracted teeth were instrumented and obturated. The canals were p...

journal_title：Journal of endodontics

authors： Buoncristiani J,Seto BG,Caputo AA

更新日期：1994-10-01 00:00:00

abstract：INTRODUCTION:In regenerative endodontic treatment (RET) for immature permanent tooth, better treatment results could be obtained by applying platelet-rich plasma (PRP) as the scaffold rather than the blood clot. The goal of this study was to compare the histologic differences between using PRP and blood clot in RET. M...

journal_title：Journal of endodontics

authors： Zhang DD,Chen X,Bao ZF,Chen M,Ding ZJ,Zhong M

更新日期：2014-09-01 00:00:00

abstract：:Previous studies have indicated that vertical root fracture tends to occur in a buccolingual direction, where dentin thickness is greatest. Factors potentially influencing the location and direction of root fracture include root canal shape, external root morphology, and dentin thickness. In this finite-element study,...

journal_title：Journal of endodontics

authors： Lertchirakarn V,Palamara JE,Messer HH

更新日期：2003-08-01 00:00:00

abstract：INTRODUCTION:The radicular groove is clinically significant due to its relevance to onset of inflammatory processes in the periodontal tissues. This study examined anatomic features of radicular grooves by using micro-computed tomography (micro-CT) scans. METHODS:Eleven extracted permanent maxillary lateral incisors w...

journal_title：Journal of endodontics

authors： Gu YC

更新日期：2011-06-01 00:00:00

abstract：INTRODUCTION:The anatomy of the maxillary C-shaped molar has been the subject of several case reports although no true prevalence research has ever been conducted. The aim of this observational study was to evaluate and characterize the incidence of these morphologies using cone-beam computed tomographic (CBCT) technol...

journal_title：Journal of endodontics

authors： Martins JN,Mata A,Marques D,Anderson C,Caramês J

更新日期：2016-03-01 00:00:00

abstract：INTRODUCTION:This clinical study evaluates the effect of ultrasonic root-end preparations on dentinal defect creation and propagation. METHODS:Eighty-four teeth were treated with periapical microsurgery using a modern microsurgical protocol in a private practice setting. The root apices were resected and inspected for...

journal_title：Journal of endodontics

authors： Tawil PZ

更新日期：2016-10-01 00:00:00