pH variation among materials used for intracoronal bleaching.

abstract：:Immune and nervous systems play key roles in periapical pathosis; however, their spatial associations, which may be a prerequisite for paracrine interactions in the progression of periapical lesions, remain to be examined. In this study we examined the distribution and frequency of spatial associations between major h...

journal_title：Journal of endodontics

authors： Yang G,Kawashima N,Kaneko T,Suzuki N,Okiji T,Suda H

更新日期：2007-02-01 00:00:00

abstract：INTRODUCTION:Dens invaginatus is a critical condition for endodontic treatment once it frequently presents a complex internal anatomy and might be associated with incomplete root and apical development. METHODS:Three cases of dens invaginatus with open apex in maxillary lateral incisors are presented. In the first cas...

journal_title：Journal of endodontics

authors： Schmitz MS,Montagner F,Flores CB,Morari VH,Quesada GA,Gomes BP

更新日期：2010-06-01 00:00:00

abstract：INTRODUCTION:The aim of the present study was to investigate the impact of ambient temperature on the life span of nickel-titanium (NiTi) files. METHODS:Cyclic fatigue testing of NiTi instruments was performed in a stainless steel artificial canal. During the experiment, 4 different temperatures (0°C, 20°C, 35°C, and ...

journal_title：Journal of endodontics

authors： Plotino G,Grande NM,Testarelli L,Gambarini G,Castagnola R,Rossetti A,Özyürek T,Cordaro M,Fortunato L

更新日期：2018-10-01 00:00:00

abstract：:Increased levels of interleukin-1 (IL)-1, tumor necrosis factor-alpha (TNF-alpha), IL-6, and prostaglandin E2 (PGE2) have been detected in inflamed pulp tissue. To gain further insight into the molecular pathogenesis of pulpitis, we investigated the effects of IL-1alpha or TNF-alpha and PGE2, either alone or in combin...

journal_title：Journal of endodontics

authors： Lin SK,Kuo MY,Wang JS,Lee JJ,Wang CC,Huang S,Shun CT,Hong CY

更新日期：2002-03-01 00:00:00

abstract：INTRODUCTION:Apical extrusion of irrigants and debris is an inherent limitation associated with cleaning and shaping of root canals and has been studied extensively because of its clinical relevance as a cause of flare-ups. Many factors affect the amount of extruded intracanal materials. The purpose of this study was t...

journal_title：Journal of endodontics

authors： Mittal R,Singla MG,Garg A,Dhawan A

更新日期：2015-12-01 00:00:00

abstract：:In the present study, we used Fos expression as an index of nociceptive input to the spinal trigeminal nucleus after exposure of the coronal pulp tissue of maxillary right first molars and examined the effects of pretreatment with an opioid, a nonsteroidal anti-inflammatory drug or a local anesthetic before pulp expos...

journal_title：Journal of endodontics

authors： Locher-Claus MT,Erickson TE,Law AS,Johnson WT,Gebhart GF

更新日期：2005-08-01 00:00:00

abstract：:The structure of mechanically instrumented intraradicular dentin after irrigation with NaOCl as the initial rinse and BioPure MTAD as the final rinse were examined from the coronal, middle, and apical parts of root canal walls using transmission electron microscopy. Sterile distilled water and EDTA as final rinses wer...

journal_title：Journal of endodontics

authors： Tay FR,Pashley DH,Loushine RJ,Doyle MD,Gillespie WT,Weller RN,King NM

更新日期：2006-03-01 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

abstract：INTRODUCTION:The aim of this study was to compare the efficacy of passive ultrasonic irrigation (PUI) and the EndoVac (EV) System (Discus Dental, Culver City, CA) in hard tissue debris removal and its influence on the quality of the root canal filling with the aid of micro-computed tomographic scanner. METHODS:Twenty-...

journal_title：Journal of endodontics

authors： Freire LG,Iglecias EF,Cunha RS,Dos Santos M,Gavini G

更新日期：2015-10-01 00:00:00

abstract：:Characteristics of cyclooxygenase-2 (COX-2) expressing cells in human dental pulp were immunohistologically studied. Extirpated pulpal tissues from extracted teeth were examined to elucidate the localization and distribution of COX-2. Pulpal tissues were examined by the labeled streptavidin biotin method using specifi...

journal_title：Journal of endodontics

authors： Nakanishi T,Shimizu H,Hosokawa Y,Matsuo T

更新日期：2001-06-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to analyze and characterize root canal morphology of mandibular molars of the Brazilian population by using cone-beam computed tomography (CBCT). METHODS:Patients who required CBCT radiographic examinations as part of their routine examination, diagnosis, and treatment planning w...

journal_title：Journal of endodontics

authors： Silva EJ,Nejaim Y,Silva AV,Haiter-Neto F,Cohenca N

更新日期：2013-07-01 00:00:00

abstract：:This study compared the effectiveness of four different techniques used for obturation of single rooted-teeth: lateral condensation, low-temperature gutta-percha (Ultrafil), vertical condensation of gutta-percha softened by means of three different laser devices (argon, CO2, and Nd:YAG), or composite resin photopolyme...

journal_title：Journal of endodontics

authors： Anić I,Matsumoto K

更新日期：1995-09-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to compare 2 reciprocating nickel-titanium systems with different manufacturing characteristics and to evaluate the influence of simulated clinical use on their torsional resistance. METHODS:New 25/.08 WaveOne Primary (WO; Dentsply Sirona, York, PA) and 25/.07 WaveOne Gold Primar...

journal_title：Journal of endodontics

authors： Garcia PR,Resende PD,Lopes NIA,Peixoto IFDC,Buono VTL,Viana ACD

更新日期：2019-08-01 00:00:00

abstract：INTRODUCTION:Enterococcus faecalis is a frequently isolated microorganism in persistent periapical lesion or secondary infection. However, no evidence has demonstrated that E. faecalis induced inflammation directly in the apical area. This study aimed to explore the mechanism of the inflammatory responses of human peri...

journal_title：Journal of endodontics

authors： Zhang L,Wang T,Lu Y,Zheng Q,Gao Y,Zhou X,Huang D

更新日期：2015-12-01 00:00:00

abstract：INTRODUCTION:The mental foramen (MF) is an important landmark in dentistry. Knowledge of its position is central to perform block anesthesia of the mental nerve or to avoid nerve damage during surgical procedures in the premolar area of the mandible. The present radiographic study aimed at evaluating the location and d...

journal_title：Journal of endodontics

authors： von Arx T,Friedli M,Sendi P,Lozanoff S,Bornstein MM

更新日期：2013-12-01 00:00:00

abstract：INTRODUCTION:It has been reported that integrin-α5 (ITGA5) activity is related to cell proliferation, differentiation, migration, and organ development. However, the involvement of ITGA5 in the biological functions of human dental pulp stem cells (hDPSCs) has not been explored. The aim of this study was to investigate ...

journal_title：Journal of endodontics

authors： Cui L,Xu S,Ma D,Gao J,Liu Y,Yue J,Wu B

更新日期：2014-02-01 00:00:00

abstract：INTRODUCTION:A ferrule on anterior endodontic-treated teeth has been evaluated using clinical trials, in vitro tests, and finite element analysis (FEA). The patient-specific FEA with a nonuniform ferrule and nonlinear contact biting load associated with clinical validation can be used to predict failure. METHODS:A pat...

journal_title：Journal of endodontics

authors： Rodrigues MP,Soares PBF,Valdivia ADCM,Pessoa RS,Veríssimo C,Versluis A,Soares CJ

更新日期：2017-09-01 00:00:00

abstract：INTRODUCTION:The study compared Twisted File (TF) with 3 traditionally manufactured systems to determine whether changes in the manufacturing process improved the cyclic fatigue resistance. METHODS:Four rotary file systems, (1) ProFile (PF), (2) Mtwo, (3) K3, and (4) TF, were tested in artificial canals with 45° and 9...

journal_title：Journal of endodontics

authors： Bhagabati N,Yadav S,Talwar S

更新日期：2012-04-01 00:00:00

abstract：INTRODUCTION:The aim of this retrospective study was to evaluate the outcome of endodontic microsurgery and to examine prognostic factors related to healing. METHODS:The clinical records of all patients who had undergone endodontic microsurgery from 1997-2003 at the National Dental Centre of Singapore were examined. T...

journal_title：Journal of endodontics

authors： Lui JN,Khin MM,Krishnaswamy G,Chen NN

更新日期：2014-08-01 00:00:00

abstract：:The expression of the vanilloid receptor subtype 1 (VR1, TRPV1) was detected in human dental pulp fibroblasts (PF-10) using RT-PCR, Western blotting, and immunocytochemical analysis. As revealed by ELISA, capsaicin induced IL-6 expression in PF-10 cells, and the VR1 antagonist capsazepine dose-dependently inhibited ca...

journal_title：Journal of endodontics

authors： Miyamoto R,Tokuda M,Sakuta T,Nagaoka S,Torii M

更新日期：2005-09-01 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：:This study evaluated the degree of conversion of one dual-cured resin cement when used to lute fiber posts with different translucencies. To measure the degree of conversion, polyvinylsiloxane molds were prepared to simulate root canals. The posts, Aestheti-Post or Light-Post, were cemented in these molds and, after p...

journal_title：Journal of endodontics

authors： Faria e Silva AL,Arias VG,Soares LE,Martin AA,Martins LR

更新日期：2007-03-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the effects of endodontic irrigants on the push-out strength and hydration behavior of accelerated mineral trioxide aggregate (MTA) in its early setting phase. METHODS:In an in vitro perforation model, MTA with or without 10% CaCl(2) was condensed and allowed to i...

journal_title：Journal of endodontics

authors： Hong ST,Bae KS,Baek SH,Kum KY,Shon WJ,Lee W

更新日期：2010-12-01 00:00:00

abstract：:Cells expressing interleukin-1 (IL-1) were examined in rat periapical lesions using immunohistochemical methods. During the acute phase, both IL-1 alpha- and IL-1 beta-expressing cells were observed adjacent to many osteoclasts that contained large cytoplasms, and consequently the periapical lesions tended to expand. ...

journal_title：Journal of endodontics

authors： Matsumoto A,Anan H,Maeda K

更新日期：1998-12-01 00:00:00

abstract：:The purpose of the present study was to investigate the effect of laser irradiation on calcified nodule formation in human dental pulp (HDP) cells. HDP cells were irradiated once with a Ga-Al-As laser for 5 and 10 min, and calcified nodule formation was determined by von Kossa staining. The laser irradiation increased...

journal_title：Journal of endodontics

authors： Ohbayashi E,Matsushima K,Hosoya S,Abiko Y,Yamazaki M

更新日期：1999-01-01 00:00:00

abstract：:The purpose of this in vitro study was to evaluate the mineral contents of root-canal dentin before and after treatment with two commonly used gutta-percha solvents: chloroform and halothane. Twenty extracted human premolars, whose crowns and apical thirds had been removed, were used. Pulp tissues were removed and the...

journal_title：Journal of endodontics

authors： Erdemir A,Eldeniz AU,Belli S

更新日期：2004-01-01 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:Autotransplantation is a viable option for treating missing teeth when a donor tooth is available. This retrospective study reports the success rate for the autotransplantation of 19 molars with complete root formation. METHODS:The study enrolled 19 patients (11 men and 8 women) in whom 19 molars were tra...

journal_title：Journal of endodontics

authors： Bae JH,Choi YH,Cho BH,Kim YK,Kim SG

更新日期：2010-08-01 00:00:00

abstract：:Ultrasonic root-end preparation techniques have recently been introduced and revolutionized the field of endodontic surgery. The purpose of this study was to compare quantitatively the quality of root-end preparation techniques prepared by a specially designed ultrasonic retrotip with those prepared in a traditional m...

journal_title：Journal of endodontics

authors： Lin CP,Chou HG,Kuo JC,Lan WH

更新日期：1998-10-01 00:00:00

abstract：INTRODUCTION:Complement activation is considered a major mechanism in innate immunity. Although it is mainly involved in initiating inflammation, recent data reported its involvement in other processes such as tissue regeneration. In the dental pulp, complement C5a fragment has been shown to be involved in the recruitm...

journal_title：Journal of endodontics

authors： Rufas P,Jeanneau C,Rombouts C,Laurent P,About I

更新日期：2016-09-01 00:00:00