Anomalous mandibular premolars: a mandibular first premolar with three roots and a mandibular second premolar with a C-shaped canal system.

abstract：AIM:To evaluate the intratubular antimicrobial activity of several oxidant and chelating agents associated with or without surfactants in experimentally infected root canals, using confocal laser scanning microscopy. METHODOLOGY:Twenty-four dentine blocks from bovine incisors were contaminated for 5 days with Enteroco...

journal_title：International endodontic journal

authors： Giardino L,Del Fabbro M,Cesario F,Fernandes FS,Andrade FB

更新日期：2018-04-01 00:00:00

abstract：CASE REPORTS:The problem of thermal sensitivity following non-surgical root-canal treatment is explored and case reports are presented. Possible causes for post-treatment discomfort from endodontic and restorative aetiologies are discussed, as are the mechanisms to explain the patients' painful experiences. Treatment o...

journal_title：International endodontic journal

authors： Tidwell E,Witherspoon DE,Gutmann JL,Vreeland DL,Sweet PM

更新日期：1999-03-01 00:00:00

abstract：AIM:To investigate melatonin (MEL) levels in human dental pulp tissue (hDP) in type 2 diabetic (T2D) participants and the underlying molecular mechanisms of its effects in human dental pulp cells (hDPCs) under hyperglycaemia. METHODOLOGY:The study included 16 healthy and 16 T2D participants who underwent vital pulp ex...

journal_title：International endodontic journal

authors： Milosavljević A,DJukić L,Toljić B,Milašin J,DŽeletović B,Brković B,Roganović J

更新日期：2018-10-01 00:00:00

abstract：AIM:To compare the antibacterial properties and toxicity of 5.25% sodium hypochlorite (NaOCl), 2% chlorhexidine gluconate and 0.2% chlorhexidine gluconate plus 0.2% cetrimide (Cetrexidin); Vebas, San Giuliano, Milan, Italy). METHODOLOGY:The antibacterial effects of the irrigants in vitro were examined after 5 min and ...

journal_title：International endodontic journal

authors： Onçağ O,Hoşgör M,Hilmioğlu S,Zekioğlu O,Eronat C,Burhanoğlu D

更新日期：2003-06-01 00:00:00

abstract：:The aim of this study was to evaluate the accuracy of the electronic apex locator Root ZX compared to the Sono Explorer Mark II Junior and Apit III in detecting root perforations. Extracted human teeth (n = 30) were perforated artificially in the middle third of the root and embedded in a box containing alginate. Dete...

journal_title：International endodontic journal

authors： Kaufman AY,Fuss Z,Keila S,Waxenberg S

更新日期：1997-11-01 00:00:00

abstract：AIM:To evaluate the cytotoxicity and the mechanism of cell aggression of peracetic acid (PA) in comparison with sodium hypochlorite (NaOCl). METHODOLOGY:L929 fibroblasts were exposed to 1% PA and 2.5% NaOCl, at several dilutions for 10 min. The following parameters were evaluated: cell metabolism by methylthiazol tetr...

journal_title：International endodontic journal

authors： Viola KS,Rodrigues EM,Tanomaru-Filho M,Carlos IZ,Ramos SG,Guerreiro-Tanomaru JM,Faria G

更新日期：2018-05-01 00:00:00

abstract：AIM:To assess the impact of motion artefacts and motion-artefact correction on diagnostic accuracy of apical periodontitis (AP) in CBCT images. METHODOLOGY:Based on clinical and radiographic inspection of 40 formalin-fixated human jaw specimens, 77 roots in 45 teeth (molars and premolars), with various disease and tre...

journal_title：International endodontic journal

authors： Spin-Neto R,Kruse C,Hermann L,Kirkevang LL,Wenzel A

更新日期：2020-09-01 00:00:00

abstract：AIM:To investigate the expression of high-mobility group box 1 (HMGB1) in human dental pulp tissues and the effects of HMGB1 on proliferation and odontoblastic differentiation of human dental pulp cells (hDPCs). METHODOLOGY:Immunohistochemical assay, immunofluorescence staining and flow cytometric analysis were used t...

journal_title：International endodontic journal

authors： Qi SC,Cui C,Yan YH,Sun GH,Zhu SR

更新日期：2013-12-01 00:00:00

abstract：AIM:To investigate the ability of BioRoot RCS, a tricalcium silicate-based root canal sealer and AH Plus to effectively fill the root canals of contralateral teeth using three evaluation methods, and to investigate also the correlation between the methods. METHODOLOGY:The prepared root canals of ten pairs of contralat...

journal_title：International endodontic journal

authors： Viapiana R,Moinzadeh AT,Camilleri L,Wesselink PR,Tanomaru Filho M,Camilleri J

更新日期：2016-08-01 00:00:00

abstract：AIM:The aim of this study was to evaluate the diagnostic efficacy of an electronic system for the determination of working length, in comparison with two radiological methods (conventional film and digital radiography). METHODOLOGY:The study sample consisted of 28 root canals belonging to 20 human mandibular teeth. A ...

journal_title：International endodontic journal

authors： Martínez-Lozano MA,Forner-Navarro L,Sánchez-Cortés JL,Llena-Puy C

更新日期：2001-07-01 00:00:00

abstract：AIM:To assess the success rate of the root-end filling material, Mineral Trioxide Aggregate (MTA). METHODOLOGY:Referred adult patients were recruited using strict entry criteria and randomly allocated to receive MTA or IRM. A standardized surgical technique was employed: the root end was resected perpendicularly and a...

journal_title：International endodontic journal

authors： Chong BS,Pitt Ford TR,Hudson MB

更新日期：2003-08-01 00:00:00

abstract：:The diameters of six different sized Lightspeed cutting heads were measured using a modified optical micrometer. Six specimens of instrument sizes 20, 22.5, 27.7, 30, 32.5 and 45 were examined. Except for one cutting head of size 30, all the recorded diameters were oversized compared to the expected diameter and the p...

journal_title：International endodontic journal

authors： Schrader C,Sener B,Barbakow F

更新日期：1998-07-01 00:00:00

abstract：AIM:The aim of this study was to determine the shaping ability of Quantec LX nickel-titanium rotary instruments in simulated root canals. METHODOLOGY:Forty simulated canals consisting of four different shapes in terms of angle and position of curvature were prepared with Quantec LX instruments. Sequential still images...

journal_title：International endodontic journal

authors： Griffiths IT,Bryant ST,Dummer PM

更新日期：2000-07-01 00:00:00

abstract：AIM:To develop an inexpensive simulation model for training of revitalization procedures. METHODOLOGY:A replica of an immature maxillary central incisor was equipped with a mock blood reservoir at the root apex and embedded in a plaster model. Mock blood consisted of water supplemented with red pigments and fibrinogen...

journal_title：International endodontic journal

authors： Widbiller M,Ducke S,Eidt A,Buchalla W,Galler KM

更新日期：2018-05-01 00:00:00

abstract：:Following extraction of a symptomatic mandibular premolar which had been subjected to two periradicular surgical procedures, significant apical healing was identified histologically. The implications of these findings are discussed in relation to contemporary advocated treatment regimens, case assessment, and interpre...

journal_title：International endodontic journal

authors： Meyers JP,Gutmann JL

更新日期：1994-11-01 00:00:00

abstract：:Angiogenesis is the formation of new blood vessels based on a pre-existing vasculature. It comprises two processes, sprouting of endothelial cells and the division of vessels due to abnormal growth of the microvasculature. It has been demonstrated that substance P (SP) can induce angiogenesis either by modulating endo...

journal_title：International endodontic journal

authors： Caviedes-Bucheli J,Gomez-Sosa JF,Azuero-Holguin MM,Ormeño-Gomez M,Pinto-Pascual V,Munoz HR

更新日期：2017-04-01 00:00:00

abstract：:The aim of this report is to (i) review the current literature on the status of root filled teeth, (ii) analyse the most important factors in decision-making, (iii) discuss the current restorative concepts, and (iv) classify both the evidence and clinical practice in a way that seeks to be clear, understandable and he...

journal_title：International endodontic journal

authors： Zarow M,Ramírez-Sebastià A,Paolone G,de Ribot Porta J,Mora J,Espona J,Durán-Sindreu F,Roig M

更新日期：2018-03-01 00:00:00

abstract：AIM:To investigate whether apical periodontitis lesions infected by Epstein-Barr virus (EBV) exhibit higher levels of oxidative stress biomarkers [8-hydroxydeoxyguanosine (8-OHdG) and oxidized glutathione (GSSG)] and bone resorption regulators [receptor activator of nuclear factor (NF-κB) ligand (RANKL) and osteoproteg...

journal_title：International endodontic journal

authors： Jakovljevic A,Andric M,Nikolic N,Coric V,Krezovic S,Carkic J,Knezevic A,Beljic-Ivanovic K,Pljesa-Ercegovac M,Miletic M,Soldatovic I,Radosavljevic T,Jovanovic T,Simic T,Ivanovic V,Milasin J

更新日期：2018-06-01 00:00:00

abstract：AIM:To investigate the apical anatomy of C-shaped canal systems in mandibular second molars by micro-computerized tomography (microCT) and stereomicroscopy. METHODOLOGY:Forty-four permanent mandibular second molars with a C-shaped root canal systems from a native Chinese population were scanned at 100 microm intervals...

journal_title：International endodontic journal

authors： Cheung GS,Yang J,Fan B

更新日期：2007-04-01 00:00:00

abstract：AIM:To compare the efficacy of reciprocating and rotary techniques with that of hand files for removing gutta-percha and sealer from root canals. METHODOLOGY:The root canals of fifty-four human extracted maxillary central incisors were cleaned and shaped using a crown-down technique to a size 40 and filled with gutta-...

journal_title：International endodontic journal

authors： Zuolo AS,Mello JE Jr,Cunha RS,Zuolo ML,Bueno CE

更新日期：2013-10-01 00:00:00

abstract：AIM:To identify the role of astrocyte elevated gene-1 (AEG-1) and the mechanism underlying the inflammatory response in dental pulp cells. METHODOLOGY:Astrocyte elevated gene-1 expression was detected at different stages of pulpitis in a rat model using immunohistochemistry. RT-qPCR and Western blot were used to asses...

journal_title：International endodontic journal

authors： Wu H,He M,Yang R,Zuo Y,Bian Z

更新日期：2018-10-01 00:00:00

abstract：AIM:To devise an optimal protocol and to analyse the leucocyte composition of periapical (PA) lesions by flow cytometry. METHODOLOGY:PA lesions were mechanically agitated, with and without proteolysis. This was with either 0.2% collagenase alone, or in combination with 0.02% DNA-ase in serial incubations until all tis...

journal_title：International endodontic journal

authors： Fernando K,Gulabivala K,Barrett AW

更新日期：2000-03-01 00:00:00

abstract：AIM:To investigate the cytotoxicity of a modified salt solution (MSS) and evaluate the antimicrobial properties of MSS on in vitro biofilm models. METHODOLOGY:In a metabolic assay, fibroblasts derived from periodontal ligaments (PDL) of human extracted teeth were cultured and challenged with MSS or controls. Then, in ...

journal_title：International endodontic journal

authors： van der Waal SV,Scheres N,de Soet JJ,Wesselink PR,Crielaard W

更新日期：2015-02-01 00:00:00

abstract：AIM:The purpose of this study was to evaluate the influence of rotational speed, torque, and operator experience with a specific Ni-Ti rotary instrumentation technique on the incidence of locking, deformation and separation of instruments. METHODOLOGY:ProFile Ni-Ti rotary instruments (PRI) sizes 40-15 with a 6% taper ...

journal_title：International endodontic journal

authors： Yared GM,Bou Dagher FE,Machtou P

更新日期：2001-01-01 00:00:00

abstract：:This case report highlights the diagnostic challenge that herpes zoster represents if pain develops in the prodromal stage. A 58-year-old male presented with pain in the left maxilla. The symptoms had lasted for 7 months. The first premolar had been extracted soon after the onset, and the second premolar root filled s...

journal_title：International endodontic journal

authors： Fristad I,Bårdsen A,Knudsen GC,Molven O

更新日期：2002-12-01 00:00:00

abstract：:The use of cone beam computed tomography (CBCT) in the diagnosis and/or management of endodontic problems is increasing and is reflected in the exponential rise in publications on this topic in the last two decades. The aim of this paper is to: (i) Review current literature on the endodontic applications of CBCT; (ii)...

journal_title：International endodontic journal

authors： Patel S,Brown J,Pimentel T,Kelly RD,Abella F,Durack C

更新日期：2019-08-01 00:00:00

abstract：:The purpose of this study was to compare the dentine-removing characteristics of size 25 K-files activated by the Cavi-Endo and Piezon-Endo units. The influence of power-setting, direction of file oscillation, interfacial force and operator-assisted movement were studied. Filing was performed on flat surfaces of denti...

journal_title：International endodontic journal

authors： Gulabivala K,Briggs PF,Setchell DJ

更新日期：1993-01-01 00:00:00

abstract：AIM:To determine the pain experienced by patients during root canal treatment and to correlate with age and gender, pulpal diagnosis, previous periapical status, dental characteristics and length of treatment. METHODOLOGY:One hundred and seventy-six patients (68 men and 108 women), with ages ranged from 6 to 83 years,...

journal_title：International endodontic journal

authors： Segura-Egea JJ,Cisneros-Cabello R,Llamas-Carreras JM,Velasco-Ortega E

更新日期：2009-07-01 00:00:00

abstract：AIM:To investigate the effects of the cross-linking agent cinnamaldehyde (CA) on differentiation of human dental pulp cells (hDPCs) cultured in a collagen hydrogel, which may be useful as a scaffold for regenerative endodontic therapy. METHODOLOGY:The odontogenic potential of hDPCs exposed to CA was examined using alk...

journal_title：International endodontic journal

authors： Kwon YS,Lee SH,Hwang YC,Rosa V,Lee KW,Min KS

更新日期：2017-01-01 00:00:00

abstract：:The cutting heads of the first 18 instruments in six sets of clinically used Lightspeed instruments (sizes 20-65) were examined in a scanning electron microscope (SEM). Three sets had been used by full-time faculty and discarded as follows: instrument sizes 20-32.5 after 18 treated root canals; instrument sizes 35-47....

journal_title：International endodontic journal

authors： Marending M,Lutz F,Barbakow F

更新日期：1998-01-01 00:00:00