Apical sealing ability of glass ionomer sealer with and without smear layer.

abstract：INTRODUCTION:The aim of this study was to evaluate the radiopacity of calcium aluminate cement (EndoBinder) with 3 different radiopacifiers (bismuth oxide, zinc oxide, or zirconium oxide) in comparison with gray mineral trioxide aggregate (GMTA), white MTA, and dental structures (enamel and dentin). METHODS:Eighteen t...

journal_title：Journal of endodontics

authors： Aguilar FG,Garcia Lda F,Rossetto HL,Pardini LC,Pires-de-Souza Fde C

更新日期：2011-01-01 00:00:00

abstract：:Adsorption of some paraformaldehyde was noted in a previous study evaluating its sterilizing effect on gutta-percha (GP). This study examined histologically the effect of this adsorption when formaldehyde-exposed GP was implanted into the subcutaneous connective tissue of rats. GP implants were prepared in cylinder sh...

journal_title：Journal of endodontics

authors： Cleary PT,Newton CW,Morrison SW,Kafrawy AH

更新日期：1992-02-01 00:00:00

abstract：INTRODUCTION:A major complication after endodontic treatment is persistent pain on biting or chewing. Although unsuccessful endodontic treatment can account for such pain, pain to chewing and biting can also be a result of an unsupported or propagated crown fracture. Crown fractures that extend apically result in deter...

journal_title：Journal of endodontics

authors： Michaelson PL

更新日期：2015-01-01 00:00:00

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：:The purpose of this study was to compare torque force and rotation needed to fracture three types of nickel titanium alloy rotary instruments in a simulated curved root canal space that were bound at the file tip. Files of similar size tips were studied. The files studied were ProFiles with 0.04 taper diameters of 15,...

journal_title：Journal of endodontics

authors： Guilford WL,Lemons JE,Eleazer PD

更新日期：2005-06-01 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:We evaluated the effect of various antimicrobials used in endodontic regeneration on a 3-week-old Enterococcus faecalis biofilm. METHODS:E. faecalis biofilm was grown on standardized dentin samples for 3 weeks. Infected dentin samples were randomized into 8 experimental groups (n = 8) and treated with cal...

journal_title：Journal of endodontics

authors： Tagelsir A,Yassen GH,Gomez GF,Gregory RL

更新日期：2016-02-01 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：INTRODUCTION:The effect of endodontic involvement on tooth loss has not been quantified, so the present study aimed to assess this relationship after controlling for other relevant risk factors for tooth loss. METHODS:We analyzed data from 791 participants (18,798 teeth) in the Veterans Affairs Dental Longitudinal Stu...

journal_title：Journal of endodontics

authors： Zhong Y,Garcia R,Kaye EK,Cai J,Kaufman JS,Trope M,Wilcosky T,Caplan DJ

更新日期：2010-12-01 00:00:00

abstract：INTRODUCTION:This study evaluated the biocompatibility of 5 and 10 μg/mL LL-37 in vitro and its effect on the differentiation of human dental pulp stem cells (DPSCs) into odontoblast-like cells. METHODS:Cell viability, genotoxicity, nitric oxide production, cell cycle, dentine sialophosphoprotein (DSPP) production, an...

journal_title：Journal of endodontics

authors： Milhan NVM,de Barros PP,de Lima Zutin EA,de Oliveira FE,Camargo CHR,Camargo SEA

更新日期：2017-12-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the effect of various degrees of cyclic fatigue on torsional failure and torsional preloading on the cyclic fatigue life of heat-treated K3XF nickel-titanium (NiTi) instruments (SybronEndo, Orange, CA). METHODS:The mean number of cycles until failure (Nf) of K3XF ...

journal_title：Journal of endodontics

authors： Shen Y,Riyahi AM,Campbell L,Zhou H,Du T,Wang Z,Qian W,Haapasalo M

更新日期：2015-04-01 00:00:00

abstract：INTRODUCTION:Dental pulp has limited capability to regenerate, which happens in the early stage of pulpitis. An ambiguous relationship exists; inflammation may impair or support pulp regeneration. Epigenetics, which is involved in cell proliferation and inflammation, could regulate human dental pulp cell (HDPCs) regene...

journal_title：Journal of endodontics

authors： Hui T,A P,Zhao Y,Wang C,Gao B,Zhang P,Wang J,Zhou X,Ye L

更新日期：2014-08-01 00:00:00

abstract：:The purpose of this study was to evaluate the durability of insulated probes designed to be used with the Endocater Apex Locator when put through multiple cleaning and autoclaving cycles. The manufacturer has reported that the plastic coating on the probes is reliable with normal use and sterilizable up to a maximum o...

journal_title：Journal of endodontics

authors： Himel VT,Schott RN

更新日期：1993-08-01 00:00:00

abstract：INTRODUCTION:Calcium hydroxide (CH) and nano-calcium hydroxide (NCH) as intracanal medicaments may affect the physical and chemical properties of dentin. The aim of this investigation was to evaluate the effects of CH and NCH on the microhardness and superficial chemical structure of radicular dentin. METHODS:In this ...

journal_title：Journal of endodontics

authors： Naseri M,Eftekhar L,Gholami F,Atai M,Dianat O

更新日期：2019-09-01 00:00:00

abstract：INTRODUCTION:Prilocaine plain has a high pH and concentration (4%), which could decrease the pain of injection and increase success. The purpose of this study was to compare pain associated with anesthetic solution deposition and the degree of pulpal anesthesia obtained with the combination of prilocaine and lidocaine ...

journal_title：Journal of endodontics

authors： Cook O,Nusstein J,Drum M,Fowler S,Reader A,Draper J

更新日期：2018-05-01 00:00:00

abstract：:It is known that many factors participate in the process of inflammation and pain transmission. Recently, various neuropeptides have been demonstrated in the intrapulpal nerve fibers immunobiohistochemically. These neuropeptides may play some role in the process of inflammation and transmission of pain sensation. In t...

journal_title：Journal of endodontics

authors： Wakisaka S

更新日期：1990-02-01 00:00:00

abstract：:Sodium hypochlorite (NaOCl) has been recommended for irrigation during root canal preparation. This investigation used scanning electron microscopy to examine instrumented and uninstrumented surfaces in the middle third of root canals following the use of several concentrations of NaOCl (5.25%, 2.5%, 1.0%, and 0.5%). ...

journal_title：Journal of endodontics

authors： Baumgartner JC,Cuenin PR

更新日期：1992-12-01 00:00:00

abstract：:A nested polymerase chain reaction (PCR)-based method was used to directly survey samples taken from primary endodontic infections for the occurrence of Pseudoramibacter alactolyticus. Identification by nested PCR was performed in root-canal samples from teeth associated with asymptomatic periradicular lesions or acut...

journal_title：Journal of endodontics

authors： Siqueira JF Jr,Rôças IN

更新日期：2003-11-01 00:00:00

abstract：:A retrograde root-end cover with a special resin composite (Retroplast) combined with the dentin bonding agent Gluma (Bayer AG) has been used since 1984 by the authors. Its content of silver, added to promote radiopacity, has been found to lower the working time and storage stability of the composite and might cause d...

journal_title：Journal of endodontics

authors： Rud J,Rud V,Munksgaard EC

更新日期：1996-09-01 00:00:00

abstract：INTRODUCTION:The occurrence of multiple injuries of the same tooth is extremely rare. This case report describes the treatment in a midroot and complicated crown-root-fractured permanent incisor that remained untreated for 4 years after the accident. METHODS:The tooth was treated by delayed partial pulpotomy using cal...

journal_title：Journal of endodontics

authors： Calişkan MK,Savranoğlu S

更新日期：2010-07-01 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：:This article describes how to construct and use a simplified model to demonstrate the operation of electronic root canal measuring devices. The model is effective, more economical than those previously described, and uses readily available materials. ...

journal_title：Journal of endodontics

authors： Donnelly JC

更新日期：1993-11-01 00:00:00

abstract：:Etch-and-rinse adhesives can cause vasorelaxation via mechanisms occurring in the endothelium and smooth muscle, including the release of nitric oxide (NO). This effect might promote or aggravate bleeding if such adhesives are placed inadvertently on iatrogenic pulp microexposures. The present study assessed the vasoa...

journal_title：Journal of endodontics

authors： Basak F,Vural IM,Kaya E,Ulku C,Guven G,Cehreli SB,Cehreli ZC,Seyrek M,Yildiz O

更新日期：2008-10-01 00:00:00

abstract：:With all the potential for endodontic success, the fact remains clinicians are confronted with posttreatment endodontic disease. When the elected treatment plan is endodontic nonsurgical retreatment, then the goal is to access the pulp chamber and remove materials from the root canal space and if present, address defi...

journal_title：Journal of endodontics

authors： Ruddle CJ

更新日期：2004-12-01 00:00:00

abstract：INTRODUCTION:Pain present 6 months after root canal treatment (RCT) may be of odontogenic or nonodontogenic origin. This is important because treatments and prognoses are different; therefore, the aim of this study was to provide specific diagnoses of patients reporting pain 6 months after receiving initial orthograde ...

journal_title：Journal of endodontics

authors： Nixdorf DR,Law AS,John MT,Sobieh RM,Kohli R,Nguyen RH,National Dental PBRN Collaborative Group.

更新日期：2015-04-01 00:00:00

abstract：INTRODUCTION:Previously, we have shown that stem cells from apical papilla (SCAPs) can be chemoattracted by stromal cell-derived factor-1α (SDF-1α). The purpose of this study was to investigate the intracellular signaling pathways involved in SDF-1α-mediated migration of SCAPs. METHODS:Chemotaxis assays were performed...

journal_title：Journal of endodontics

authors： Chen X,Liu JY,Yue L,Huang GT,Zou XY

更新日期：2016-07-01 00:00:00

abstract：INTRODUCTION:The efficacy of retreatment techniques for BC Sealer (BCS) (Brasseler USA, Savannah, GA) removal has not yet been assessed. The purpose of this study was to evaluate the efficacy of solvent and rotary instrumentation in the removal of BCS when used in combination with gutta-percha (GP) as compared with AH ...

journal_title：Journal of endodontics

authors： Hess D,Solomon E,Spears R,He J

更新日期：2011-11-01 00:00:00

abstract：:The purpose of this study was to evaluate the number of canals and isthmuses obturated after Cr, Er: YSGG laser treatment. Fifty-two canals were instrumented to a size 40 Profile 0.06 file combined with RC-Prep and sodium hypochlorite, or sterile water. The teeth were divided into 3 groups: (I) canals were flooded wit...

journal_title：Journal of endodontics

authors： Varella CH,Pileggi R

更新日期：2007-09-01 00:00:00

abstract：:A case report is presented describing the treatment for endemic dental fluorosis. Six maxillary anterior teeth were treated, three with an acid-bleach combination technique and three with an acid technique. No clinical differences was noted in treatment time or esthetic results. ...

journal_title：Journal of endodontics

authors： Wong M

更新日期：1991-07-01 00:00:00

abstract：:A technique using K files with modified tips has been developed for the penetration of constricted canals. The tip of a #10 K file was sliced diagonally to make it thinner. Because this modified K file has an especially fine tip and an appropriate stiffness, it followed constricted or sharply curved canals well and ha...

journal_title：Journal of endodontics

authors： Kobayashi C

更新日期：1997-06-01 00:00:00