Temperature-dependent rheological property changes of thermoplastic gutta-percha root filling materials.

abstract：AIM:To compare ex vivo the accuracy of two impedance quotient apex locators with different scales and frequencies of the measuring circuit. METHODOLOGY:In each root of 193 extracted human teeth, electronic working length determination (ELD) was carried out with a newly constructed measuring unit. In all cases, ELD was...

journal_title：International endodontic journal

authors： Hör D,Krusy S,Attin T

更新日期：2005-12-01 00:00:00

abstract：AIM:To compare 2D with 3D radiography in assessing the treatment outcome 1 year after periapical surgery. METHODOLOGY:In this prospective study, periapical radiographs (PA) and cone beam computed tomography (CBCT) were performed 1 year after periapical surgery. Three calibrated observers independently evaluated the ra...

journal_title：International endodontic journal

authors： von Arx T,Janner SF,Hänni S,Bornstein MM

更新日期：2016-10-01 00:00:00

abstract：AIM:To evaluate the impact of activated platelets on the mitogenic expansion of human dental pulp-derived cells (DPC) in vitro. METHODOLOGY:The effect of supernatants released from activated platelets (PRS) and the corresponding platelet membranes (MEM) on proliferation and protein synthesis of DPC was evaluated. The ...

journal_title：International endodontic journal

authors： Agis H,Stampfl B,Watzek G,Gruber R

更新日期：2010-02-01 00:00:00

abstract：:Thorough knowledge of anatomical complexities of the root canal system has a direct impact on the effectiveness of canal preparation and filling, and is an essential prerequisite for successful root canal treatment. A wide range of complex variations in root canal anatomy exists, including root canal configuration typ...

journal_title：International endodontic journal

authors： Ahmed HMA,Neelakantan P,Dummer PMH

更新日期：2018-02-01 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 evaluate the frequency of dentinal microcracks after ultrasonic removal of fractured files from the middle third of root canals using micro-computed tomography (micro-CT). METHODOLOGY:Eighteen bilaterally matched pairs of human mandibular incisors extracted for periodontal reasons were included. The matched pai...

journal_title：International endodontic journal

authors： Fu M,Huang X,He W,Hou B

更新日期：2018-09-01 00:00:00

abstract：AIM:To compare the ability of cone-beam computed tomography (CBCT) and digital periapical radiographs (PR) to detect simulated tissue-occupied recesses in root canals. METHODOLOGY:A standard canal was created in 30 extracted mandibular premolar roots. Each root was longitudinally split into buccal and lingual halves. ...

journal_title：International endodontic journal

authors： Liang YH,Yuan M,Li G,Shemesh H,Wesselink PR,Wu MK

更新日期：2012-08-01 00:00:00

abstract：:In this study, an unusual observation of Saccharomyces cerevisiae isolated from an infected root canal and from the blood of a patient undergoing endodontic therapy of a tooth with asymptomatic apical periodontitis is reported. Phenotypic (biochemical tests, antifungal susceptibility tests and SDS-PAGE of cellular pro...

journal_title：International endodontic journal

authors： Debelian GJ,Olsen I,Tronstad L

更新日期：1997-09-01 00:00:00

abstract：AIM:To compare the cyclic fatigue resistance of ProTaper Next files (PTN; Dentsply Maillefer, Ballaigues, Switzerland) with Twisted Files (TF; SybronEndo, Orange, CA, USA), HyFlex CM (HF; ColténeEndo/Whaledent, Inc, Cuyahoga Falls, OH, USA) and ProTaper Universal (PT; Dentsply Maillefer). METHODOLOGY:Size 25, .06 tape...

journal_title：International endodontic journal

authors： Elnaghy AM

更新日期：2014-11-01 00:00:00

abstract：AIM:To evaluate the fracture resistance and fracture patterns of root filled maxillary first premolar teeth (with mesio-occlusal cavity preparation) restored with several composite restoration designs. METHODOLOGY:One hundred extracted sound human maxillary first premolars were randomly divided into five groups. Group...

journal_title：International endodontic journal

authors： Xie KX,Wang XY,Gao XJ,Yuan CY,Li JX,Chu CH

更新日期：2012-06-01 00:00:00

abstract：AIM:To evaluate the wear of root wall surfaces, the bond strength of sealers to dentine and the demineralization around root filling materials after canals were exposed to acid challenge in situ. METHODOLOGY:Eighty-seven roots of mandibular incisors were selected. Thirty-two were used in the laboratory bond strength s...

journal_title：International endodontic journal

authors： Silva-Neto RD,Sousa-Neto MD,Pécora JD,Palma-Dibb RG,Souza-Gabriel AE

更新日期：2018-03-01 00:00:00

abstract：AIM:The aim of this in vitro study was to evaluate the shear bond strength of commercially available and experimental glass ionomer cement (GIC) sealers to dentine exposed to common endodontic irrigants. METHODOLOGY:The enamel of 90 bovine incisor crowns, randomly divided into nine equal groups, was ground to expose t...

journal_title：International endodontic journal

authors： Lalh MS,Titley K,Torneck CD,Friedman S

更新日期：1999-11-01 00:00:00

abstract：AIM:To determine whether chemokines such as SDF-1 and monocyte chemoattractant protein-1 (MCP-1) are responsible for hydrogen peroxide (H2 O2 )-induced extracellular matrix (ECM) degradation and to identify the underlying mechanism in human dental pulp cells (HDPCs). METHOD:Human dental pulp cells were exposed to 0.4 ...

journal_title：International endodontic journal

authors： Kim DS,Kang SI,Lee SY,Noh KT,Kim EC

更新日期：2014-03-01 00:00:00

abstract：AIM:To evaluate and compare the push-out bond strength of MTA Fillapex (Angelus, Londrina, Brazil) and iRoot SP (Innovative BioCeramix Inc., Vancouver, Canada) to the dentine walls of root canals. AH Plus (Dentsply DeTrey, Konstaz, Germany) and MTA (Angelus, Londrina, Brazil) were used as reference materials. METHODOL...

journal_title：International endodontic journal

authors： Oliveira DS,Cardoso ML,Queiroz TF,Silva EJ,Souza EM,De-Deus G

更新日期：2016-08-01 00:00:00

abstract：AIM:To evaluate lymphocyte-like cell activation (CD5-positive cells) and the expression of interleukin (IL)-6 and IL-17 in the pulp after tooth bleaching with two concentrations of hydrogen peroxide (H2 O2 ). METHODOLOGY:The right and left maxillary molars from 40 rats were treated randomly with bleaching gel with 20%...

journal_title：International endodontic journal

authors： Benetti F,Gomes-Filho JE,Ferreira LL,Sivieri-Araújo G,Ervolino E,Briso ALF,Cintra LTA

更新日期：2018-07-01 00:00:00

abstract：:The effect of temperature of plasticization on the sealing ability of Thermafil obturators was evaluated. Forty-eight canals in roots of extracted human mandibular molar teeth were divided into four groups of 12. The root canals had curvatures of less than 25 degrees, as determined using the Schneider technique. Four ...

journal_title：International endodontic journal

authors： Leung SF,Gulabivala K

更新日期：1994-01-01 00:00:00

abstract：AIM:To describe unusual variations in the root morphology and root canal systems of mandibular first and second premolar teeth extracted for orthodontic reasons. SUMMARY:Normally mandibular first and second premolar teeth have single roots with single canals. A 15-year-old patient presented for orthodontic treatment a...

journal_title：International endodontic journal

authors： Cleghorn BM,Christie WH,Dong CC

更新日期：2008-11-01 00:00:00

abstract：AIM:To report a case of focal cemento-osseous dysplasia (FCOD) affecting a single tooth misdiagnosed as an inflammatory periapical lesion. SUMMARY:The patient, a black 47-year-old woman complained of pain affecting the right side of the mandible. Routine X-ray examination discovered a periapical radiolucency on the ma...

journal_title：International endodontic journal

authors： Galgano C,Samson J,Küffer R,Lombardi T

更新日期：2003-12-01 00:00:00

abstract：AIM:To determine whether nisin, a bacteriocin, would be effective at killing Enterococcus faecalis and Streptococcus gordonii cells in solution and within the root canal system. METHODOLOGY:Bacterial isolates of E. faecalis and S. gordonii were grown from glycerol stocks in closed tubes containing BHY broth at 37 degr...

journal_title：International endodontic journal

authors： Turner SR,Love RM,Lyons KM

更新日期：2004-10-01 00:00:00

abstract：AIM:To evaluate the presence of bacteria in permanent teeth with intact crowns (without caries, periodontal disease or dental trauma) in patients with sickle cell anaemia (HbSS genotype) by analysing their clinical, imaging and microbiological parameters. METHODOLOGY:This is a case series study nested in a cohort. In ...

journal_title：International endodontic journal

authors： Costa CPS,Silva MA,Neto LGL,Valois EM,Monteiro-Neto V,Souza SFC

更新日期：2021-01-12 00:00:00

abstract：AIM:The purpose of this study was to evaluate clinically and radiographically pulpotomies carried out under intrapulpal injection of anaesthetic solution. METHODOLOGY:Forty-one permanent mandibular molar teeth presenting with deep carious lesions and/or exposed pulps, with or without periapical changes on radiographic...

journal_title：International endodontic journal

authors： Teixeira LS,Demarco FF,Coppola MC,Bonow ML

更新日期：2001-09-01 00:00:00

abstract：:Animal testing is crucial in situations when research on humans is not allowed because of unknown health risks and ethical concerns. The current project aims to develop reporting guidelines exclusively for animal studies in Endodontology, using an established consensus-based methodology. The guidelines have been named...

journal_title：International endodontic journal

authors： Nagendrababu V,Kishen A,Murray PE,Nekoofar MH,de Figueiredo J,Priya E,Jayaraman J,Pulikkotil SJ,Camilleri J,Rm S,Dummer P

更新日期：2021-01-15 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：AIM:To identify the suitable ratio of alternative radiopacifiers to impart the necessary radiopacity to calcium silicate cements (CSC) and assess the purity of the radiopacifying agents. METHODOLOGY:Alternative radiopacifying materials for incorporation into CSC included barium sulphate, titanium oxide, zinc oxide, go...

journal_title：International endodontic journal

authors： Camilleri J,Gandolfi MG

更新日期：2010-01-01 00:00:00

abstract：:The typical treatment for irreversibly inflamed/necrotic pulp tissue is root canal treatment. As an alternative approach, regenerative endodontics aims to regenerate dental pulp-like tissues using two possible strategies: cell transplantation and cell homing. The former requires exogenously transplanted stem cells, co...

journal_title：International endodontic journal

authors： Eramo S,Natali A,Pinna R,Milia E

更新日期：2018-04-01 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:To analyse responses from dental practitioners (DPs) on how secure they felt as a newly graduated dentist, level of confidence or self-efficacy when performing root canal treatment (RCT), and if undergraduate (UG) education in Endodontics adequately met their needs in a dental practice. METHODOLOGY:An electronic q...

journal_title：International endodontic journal

authors： Haug SR,Linde BR,Christensen HQ,Vilhjalmsson VH,Bårdsen A

更新日期：2020-11-30 00:00:00

abstract：AIM:To assess the effectiveness of an active application of liquid etching, compared with the standard gel formulation on smear layer removal from post space walls and push-out bond strength of luted fibre posts. METHODOLOGY:Human extracted teeth were collected and root filled. After post space preparation and cleanin...

journal_title：International endodontic journal

authors： Scotti N,Scansetti M,Rota R,Breschi L,Mazzoni A,Pasqualini D,Berutti E

更新日期：2013-11-01 00:00:00

abstract：AIM:To compare dentinal microcrack formation whilst using Ni-Ti hand K-files, ProTaper hand and rotary files and the WaveOne reciprocating file. METHODOLOGY:One hundred and fifty mandibular first molars were selected. Thirty teeth were left unprepared and served as controls, and the remaining 120 teeth were divided in...

journal_title：International endodontic journal

authors： Ashwinkumar V,Krithikadatta J,Surendran S,Velmurugan N

更新日期：2014-07-01 00:00:00

abstract：:The aim of this study was to assess the shaping ability of the M4 reciprocating handpiece and Safety Hedstrom files in simulated canals. A total of 40 simulated canals of various angles and positions of curvature were prepared with an M4 handpiece using Safety Hedstrom files oriented with the ground, flattened surface...

journal_title：International endodontic journal

authors： Lloyd A,Jaunberzins A,Dhopatkar A,Bryant S,Dummer PM

更新日期：1997-01-01 00:00:00