Root surface temperatures produced during post space preparation.

abstract：:This study investigated possible collateral C-fiber innervation between the pulps of rat molars by assessing neurogenic inflammation (NI) induced by the C-fiber excitant mustard oil (MO). MO was applied to the pulp of the left mandibular first molar in two groups of rats: group 1, guanethidine sympathectomized rats (t...

journal_title：Journal of endodontics

authors： Komorowski RC,Torneck CD,Hu JW

更新日期：1996-08-01 00:00:00

abstract：:EDTA-T and 10% citric acid used as root canal irrigants lead to more visible dentinal tubules than 5% sodium hypochlorite associated with 3% hydrogen peroxide. However, these cleansing agents must be compatible with apical periodontal tissue. We analyzed the cytotoxicity of 10% citric acid and EDTA-T in cultured fibro...

journal_title：Journal of endodontics

authors： Sceiza MF,Daniel RL,Santos EM,Jaeger MM

更新日期：2001-12-01 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:This review aimed to compare the kinematic effect of nickel-titanium instruments with reciprocating and continuous rotation motion for cyclic fatigue resistance, shaping ability, apical debris extrusion, and dentinal defects or cracks. METHOD:Articles were selected for inclusion in this review if they ful...

journal_title：Journal of endodontics

authors： Ahn SY,Kim HC,Kim E

更新日期：2016-07-01 00:00:00

abstract：INTRODUCTION:The aim of this in vitro study was to compare the effectiveness of saline, 2.5% sodium hypochlorite, and 2% chlorhexidine, with or without passive ultrasonic irrigation (PUI), in debris removal from simulated canal irregularities within prepared root canals. METHODS:Ninety bovine lateral incisors were ran...

journal_title：Journal of endodontics

authors： Martins Justo A,Abreu da Rosa R,Santini MF,Cardoso Ferreira MB,Pereira JR,Húngaro Duarte MA,Reis Só MV

更新日期：2014-12-01 00:00:00

abstract：:This study describes three methods of computerized three-dimensional reconstruction of the main neurovascular pulpal bundle of human teeth, using serial cross-paraffin sections, digital image processing, and three-dimensional computer graphics. These methods are surface representation, representation by means of a sta...

journal_title：Journal of endodontics

authors： Lyroudia K,Nikolaidis N,Pitas I,Palakidis K

更新日期：1995-10-01 00:00:00

abstract：:The mechanisms of odontogenic pain are complex and incompletely understood. Cases of irreversible pulpitis are thought to represent a localized inflammatory response to bacterial challenge in dental pulp tissue. The presenting symptoms are classically defined by exaggerated painful episodes to thermal stimuli that may...

journal_title：Journal of endodontics

authors： Owatz CB,Khan AA,Schindler WG,Schwartz SA,Keiser K,Hargreaves KM

更新日期：2007-05-01 00:00:00

abstract：INTRODUCTION:Patient preferences should be taken into account by clinicians when treatment planning. The purposes of this study were to describe the number of visits patients preferred when undergoing root canal therapy (RCT) and to assess whether their preferences were related to hypothetical treatment success rates. ...

journal_title：Journal of endodontics

authors： Vela KC,Walton RE,Trope M,Windschitl P,Caplan DJ

更新日期：2012-10-01 00:00:00

abstract：INTRODUCTION:A vertical root fracture (VRF), commonly found in teeth with endodontic treatment, is challenging to diagnose and has poor treatment outcomes. Cone-beam computed tomography (CBCT) has become an increasingly popular imaging modality in endodontics, but image artifacts arising from root-filling materials may...

journal_title：Journal of endodontics

authors： Chang E,Lam E,Shah P,Azarpazhooh A

更新日期：2016-02-01 00:00:00

abstract：:This in vitro study evaluated the survival rate and fracture resistance of maxillary central incisors restored with different post and core systems. The post and core systems investigated were a prefabricated high precious metal post with cast core (group A), zirconia post with a prefabricated bonded ceramic core (gro...

journal_title：Journal of endodontics

authors： Pontius O,Nathanson D,Giordano R,Schilder H,Hutter JW

更新日期：2002-10-01 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:Neuropeptides play an important role in inflammation and repair and have been implicated in mediating angiogenesis. Pulp fibroblasts express neuropeptide receptors, and the aim of this research was to investigate whether neuropeptides could regulate angiogenic growth factor expression in vitro METHODS:An ...

journal_title：Journal of endodontics

authors： El Karim IA,Linden GJ,Irwin CR,Lundy FT

更新日期：2009-06-01 00:00:00

abstract：:In the human dental pulp of five healthy premolars, we detected the presence of vesicles in the cytoplasm of macrophage-like cells. There were, in general, two types of vesicles, with regard to their size and content. The first was of smaller size (35 to 55 nm), and they were electron optically empty. The second type ...

journal_title：Journal of endodontics

authors： Manthos A,Lyroudia K,Economou L

更新日期：1998-03-01 00:00:00

abstract：:A long-standing lesion associated with an undetected perforation of the furca in a mandibular molar was successfully managed using a multidisciplinary treatment approach. The sequence of therapeutic procedures involved conventional endodontic retreatment, an initial orthograde sealing of the perforation, guided tissue...

journal_title：Journal of endodontics

authors： Goon WW,Lundergan WP

更新日期：1995-11-01 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:This in vitro study compared the performance of the XP-endo Shaper (XP; FKG, La Chaux-de-Fonds, Switzerland) in curved canals when used with a higher speed (3000 rpm) without a glide path with the manufacturer's protocol. METHODS:Twenty extracted mandibular molars with separate mesial curved canals were m...

journal_title：Journal of endodontics

authors： Webber M,Piasecki L,Jussiani EI,Andrello AC,Dos Reis PJ,Azim KA,Azim AA

更新日期：2020-01-01 00:00:00

abstract：:The purpose of this study was to determine the incidence of endodontic services provided to participants in a longitudinal cohort study. The "Florida Dental Care Study" was a prospective cohort study using a representative baseline sample of 873 dentate adults. An in-person interview and clinical dental exam were cond...

journal_title：Journal of endodontics

authors： Boykin MJ,Gilbert GH,Tilashalski KR,Shelton BJ

更新日期：2003-12-01 00:00:00

abstract：:Little is known about the effect of aging on characteristic functions of pulp cells. When damaged pulp is recovered and mineralized tissue is formed to protect remaining pulp tissue, the general responses of pulp tissue after adequate stimuli (pulp cell proliferation and activation of alkaline phosphatase [ALPase]) ar...

journal_title：Journal of endodontics

authors： Shiba H,Nakanishi K,Rashid F,Mizuno N,Hino T,Ogawa T,Kurihara H

更新日期：2003-01-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the tooth structure theoretically required to be removed in the coronal and cervical regions to accomplish 3 different endodontic access preparations in a novel digital model. The deviation of the center of access cavity from the central fossa will also be measured...

journal_title：Journal of endodontics

authors： Lin CY,Lin D,He WH

更新日期：2020-04-01 00:00:00

abstract：:The purpose of this study was to compare the degree of anesthesia obtained with 2% lidocaine with three different concentrations of epinephrine for inferior alveolar nerve block. Using a repeated measures design, 30 subjects randomly received an inferior alveolar injection using masked cartridges of each solution at t...

journal_title：Journal of endodontics

authors： Dagher FB,Yared GM,Machtou P

更新日期：1997-03-01 00:00:00

abstract：:Cyanoacrylate is an extremely strong bonding agent which has many applications in medicine. It is also effective in obtaining a leakproof seal of rubber dam around a structurally compromised tooth requiring endodontic therapy. ...

journal_title：Journal of endodontics

authors： Roahen JO,Lento CA

更新日期：1992-10-01 00:00:00

abstract：:It is thought that externally applied bleaching agents may penetrate into the pulp chamber. This study was conducted to evaluate the diffusion of peroxide bleaching agents into the pulp chamber of teeth restored with various restorative materials. Sixty-five human extracted anterior maxillary teeth were separated into...

journal_title：Journal of endodontics

authors： Gökay O,Yilmaz F,Akin S,Tunçbìlek M,Ertan R

更新日期：2000-02-01 00:00:00

abstract：:Ninety-six human molars were accessed. After flattening of the occlusal surface and removal of the apical two-thirds of the roots, the remaining canal space was instrumented by conventional methods. The teeth were divided into six groups of 15 teeth with three positive and three negative controls. The six experimental...

journal_title：Journal of endodontics

authors： Carman JE,Wallace JA

更新日期：1994-12-01 00:00:00

abstract：INTRODUCTION:We evaluated the radiopacity and antibacterial properties of various concentrations of double antibiotic paste (DAP) containing barium sulfate (BaSO4) or zirconium oxide (ZrO2) radiopaque agents. METHODS:The radiopacity of 1, 10, and 25 mg/mL DAP containing 30% (w/v) BaSO4 or ZrO2, DAP-free radiopaque pas...

journal_title：Journal of endodontics

authors： Verma R,Fischer BI,Gregory RL,Yassen GH

更新日期：2018-09-01 00:00:00

abstract：INTRODUCTION:This clinical study was conducted to compare the levels of endotoxins (lipopolysaccharides [LPSs]) found in primary and secondary endodontic infections with apical periodontitis by correlating LPS contents with clinical/radiographic findings. In addition, the presence of target gram-negative anaerobic bact...

journal_title：Journal of endodontics

authors： Gomes BP,Endo MS,Martinho FC

更新日期：2012-08-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the antibacterial efficacy of silver nanoparticles (AgNPs) as an irrigant or medicament against Enterococcus faecalis biofilms formed on root dentin. METHODS:Dentin sections were inoculated with E. faecalis for 4 weeks to establish a standard monospecies biofilm m...

journal_title：Journal of endodontics

authors： Wu D,Fan W,Kishen A,Gutmann JL,Fan B

更新日期：2014-02-01 00:00:00

abstract：INTRODUCTION:Real-time assessment of the microbial status of the root canal system would be useful in clinical endodontic practice for determining endpoints of biomechanical treatment. This laboratory study used an existing laser fluorescence device, the DIAGNOdent (KaVo, Biberach, Germany), in a proof-of-concept study...

journal_title：Journal of endodontics

authors： Sainsbury AL,Bird PS,Walsh LJ

更新日期：2009-10-01 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

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：:The most striking disadvantage of most apex locators is that if there are electrolytes in the canal the meter shows a reading which is too short or sometimes the measurement itself becomes impossible. To overcome this drawback, a new concept for electrically measuring the root canal length has been developed. The devi...

journal_title：Journal of endodontics

authors： Kobayashi C,Suda H

更新日期：1994-03-01 00:00:00