An apical leakage study in the presence and absence of the smear layer.

abstract：:The effects of varying clinically relevant patterns of anaesthetic-vasoconstrictor combinations used for periradicular surgery on plasma concentrations of catecholamines and haemodynamic responses was studied in the canine model. Five mongrel dogs were anaesthetized with sodium pentobarbitol. A femoral cannula was ins...

journal_title：International endodontic journal

authors： Gutmann JL,Frazier LW Jr,Baron B

更新日期：1996-01-01 00:00:00

abstract：AIM:To determine the root canal morphology of mandibular first premolar teeth in an Indian population using a decalcification and clearing technique. METHODOLOGY:One hundred extracted adult mandibular first premolar teeth were studied following decalcification and clearing. The shape of the canal orifice, root canal p...

journal_title：International endodontic journal

authors： Velmurugan N,Sandhya R

更新日期：2009-01-01 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 evaluate the effects of bioactive glass S53P4 versus calcium hydroxide when used as dressings in contra-lateral human premolars infected with Enterococcus faecalis ATCC 29212. METHODOLOGY:Pairs of contra-lateral premolar teeth plus single control premolars were obtained from 23 individuals aged 10-26 years unde...

journal_title：International endodontic journal

authors： Zehnder M,Luder HU,Schätzle M,Kerosuo E,Waltimo T

更新日期：2006-12-01 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 compare the fracture resistance of roots filled with different materials. METHODOLOGY:Thirty-four freshly extracted human maxillary central incisor teeth with similar dimension were selected. Crowns were sectioned at the cemento-enamel junction, and the length of the roots were adjusted to 13 mm. Following the ...

journal_title：International endodontic journal

authors： Sagsen B,Er O,Kahraman Y,Akdogan G

更新日期：2007-01-01 00:00:00

abstract：:The aim of designing and fabricating the surgical templates was to assist the surgical component of premolar transplantation, by establishing and replicating the root dimensions of the donor premolar tooth. The correct template could be used to assess the socket preparation (width and depth) prior to placement of the ...

journal_title：International endodontic journal

authors： Day PF,Lewis BR,Spencer RJ,Barber SK,Duggal M

更新日期：2012-11-01 00:00:00

abstract：AIM:This study was designed to examine whether enamel matrix derivative (EMD) could induce reparative dentine formation without eliciting adverse side-effects in pulpotomized teeth in the miniature swine. METHODOLOGY:Pulpotomy was performed in 36 mandibular incisor teeth from 11 adult miniature swine. Following the su...

journal_title：International endodontic journal

authors： Nakamura Y,Hammarström L,Matsumoto K,Lyngstadaas SP

更新日期：2002-05-01 00:00:00

abstract：AIM:To compare the penetration resistance (PR) of six thermoplastic gutta-percha (GP) materials against needle penetration at different temperatures. METHODOLOGY:The PR of the following materials based on warm gutta-percha techniques, Beefill GP Cartridge (Beefill), GP Obturator-Hard/Medium/Soft (Dia-H, Dia-M, Dia-S),...

journal_title：International endodontic journal

authors： Moon HJ,Lee JH,Ahn JH,Song HJ,Park YJ

更新日期：2015-06-01 00:00:00

abstract：AIM:To determine the bacterial microbiota in root canals associated with persistent apical periodontitis and their relationship with the clinical characteristics of patients using next-generation sequencing (NGS). METHODOLOGY:Bacterial samples from root canals associated with teeth having persistent apical periodontit...

journal_title：International endodontic journal

authors： Sánchez-Sanhueza G,Bello-Toledo H,González-Rocha G,Gonçalves AT,Valenzuela V,Gallardo-Escárate C

更新日期：2018-12-01 00:00:00

abstract：AIM:To determine how instrument design affects the fatigue life of two nickel-titanium (Ni-Ti) rotary systems (Mtwo and ProTaper) under cyclic fatigue stress in simulated root canals. METHODOLOGY:Cyclic fatigue testing of instruments was performed in stainless steel artificial canals with radii of curvature of 2 or 5 ...

journal_title：International endodontic journal

authors： Grande NM,Plotino G,Pecci R,Bedini R,Malagnino VA,Somma F

更新日期：2006-10-01 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 effect of multiple refreshment/activation cycles and temperature on the reaction rate of sodium hypochlorite (NaOCl) with bovine dentine during ultrasonic activated irrigation (UAI) under laboratory conditions. METHODOLOGY:The root canal walls of 24 standardized root canals in bovine incisors were ...

journal_title：International endodontic journal

authors： Macedo RG,Verhaagen B,Wesselink PR,Versluis M,van der Sluis LW

更新日期：2014-02-01 00:00:00

abstract：AIM:To provide insight into the principles of operation of electronic apex locators, determine optimal measuring parameters of the impedance ratio method, and to evaluate its accuracy. METHODOLOGY:Electrical impedance was measured ex vivo on 14 extracted human teeth using a QuadTech 1920 precision impedance analyzer. ...

journal_title：International endodontic journal

authors： Jan J,Krizaj D

更新日期：2009-09-01 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:The purpose was to present the frequency of periapical healing in first and second/third mandibular molars, after root-end resections sealed with a dentine-bonded resin composite. METHODOLOGY:Root-end sealing of resected mandibular molar roots was made with dentine-bonded composite (Gluma-Retroplast) as a cover on...

journal_title：International endodontic journal

authors： Rud J,Rud V,Munksgaard EC

更新日期：2001-06-01 00:00:00

abstract：AIM:To assess the failure mechanism of rotary NiTi instruments by chemical, structural and morphological analyses to provide a rational explanation of the effects of surface and bulk treatments on their resistance to fatigue fracture. METHODOLOGY:Thermal treatment (350-500 °C) was performed on electropolished (EP) and...

journal_title：International endodontic journal

authors： Condorelli GG,Bonaccorso A,Smecca E,Schäfer E,Cantatore G,Tripi TR

更新日期：2010-10-01 00:00:00

abstract：AIM:To investigate interfacial stress distribution in restored root filled teeth with various post lengths and crown heights. METHODOLOGY:Three-dimensional mathematical models of a root filled mandibular premolar tooth were constructed. Parts of the tooth structures were replaced with ceramic crowns having three crown...

journal_title：International endodontic journal

authors： Kainose K,Nakajima M,Foxton R,Wakabayashi N,Tagami J

更新日期：2015-11-01 00:00:00

abstract：AIM:To evaluate the accuracy of the Root ZX and Elements-Diagnostic electronic apex locators when compared with radiographs for locating the canal terminus or minor foramen. METHODOLOGY:The canal terminus of 482 canals in 160 maxillary and mandibular teeth was located in vivo with both locators and radiographically. A...

journal_title：International endodontic journal

authors： Vieyra JP,Acosta J,Mondaca JM

更新日期：2010-01-01 00:00:00

abstract：AIM:To investigate the use of a zinc oxide/zinc sulphate-based cement (Coltosol(®) F, Coltène Whaledent, Cuyahoga Falls, OH, USA) as a temporary filling material during multiple-visit root canal treatments and the occurrence of cracks within the filling material or the tooth. METHODOLOGY:Root canals of one hundred and...

journal_title：International endodontic journal

authors： Tennert C,Eismann M,Goetz F,Woelber JP,Hellwig E,Polydorou O

更新日期：2015-01-01 00:00:00

abstract：AIM:To use micro-computed tomography (μ-CT) to evaluate the amount of calcium hydroxide [Ca(OH)2 ] remaining in the C-shaped root canals of mandibular second molars after attempting to remove it with passive ultrasonic and sonic irrigation. METHODOLOGY:Thirty mandibular second molars, 15 in C1 and 15 in C2 configurati...

journal_title：International endodontic journal

authors： Ma JZ,Shen Y,Al-Ashaw AJ,Khaleel HY,Yang Y,Wang ZJ,Peng B,Haapasalo M

更新日期：2015-04-01 00:00:00

abstract：AIM:The aim of this study was to determine the influence of the width of apical root canals and the depth of heat application during warm vertical compaction on the percentage of gutta-percha-filled area (PGFA) in the apical root canal. METHODOLOGY:Two groups of extracted human canines (total 60) were instrumented and...

journal_title：International endodontic journal

authors： Wu M-,van der Sluis LW,Wesselink PR

更新日期：2002-06-01 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:This case report demonstrates a positive outcome of the adjuvant use of fragile fracture (FF), which is a technique used to harvest dental pulp stem cells (DPSCs), and platelet-rich plasma (PRP) in a mandibular premolar (tooth 44) with a completely formed root that was transplanted into a surgically created socket ...

journal_title：International endodontic journal

authors： Gaviño Orduña JF,García García M,Dominguez P,Caviedes Bucheli J,Martin Biedma B,Abella Sans F,Manzanares Céspedes MC

更新日期：2020-03-01 00:00:00

abstract：:The thermal effects of a CO2 laser on the external root surface and inside the root canal were studied in vitro by means of computerized infrared (IR) thermography and a digital thermometer. One-hundred-and-eighty tooth roots with single root canals were irradiated internally and externally with laser power set at 0.5...

journal_title：International endodontic journal

authors： Anić I,Dzubur A,Vidović D,Tudja M

更新日期：1993-09-01 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：:This position statement on the management of deep caries and the exposed pulp represents the consensus of an expert committee, convened by the European Society of Endodontology (ESE). Preserving the pulp in a healthy state with sustained vitality, preventing apical periodontitis and developing minimally invasive biolo...

journal_title：International endodontic journal

authors： European Society of Endodontology (ESE) developed by:.,Duncan HF,Galler KM,Tomson PL,Simon S,El-Karim I,Kundzina R,Krastl G,Dammaschke T,Fransson H,Markvart M,Zehnder M,Bjørndal L

更新日期：2019-07-01 00:00:00

abstract：AIM:To evaluate the neurotoxic effects of two endodontic sealers, AH-26 and Roth 801, on firing excitability and action potential configuration of F1 neural cells in the suboesophageal ganglia of Helix aspersa. METHODOLOGY:A conventional intracellular current clamp technique was used to study the blocking effects of A...

journal_title：International endodontic journal

authors： Asgari S,Janahmadi M,Khalilkhani H

更新日期：2003-12-01 00:00:00

abstract：AIM:To engineer systems using polyisoprene (PI) or polycaprolactone (PCL) and nanometric bioactive glass 45S5 (BG) that could create a hydroxyapatite interface and thus ultimately make the use of an endodontic sealer unnecessary. METHODOLOGY:Different composites using PI or PCL as matrix material were prepared with BG...

journal_title：International endodontic journal

authors： Mohn D,Bruhin C,Luechinger NA,Stark WJ,Imfeld T,Zehnder M

更新日期：2010-11-01 00:00:00

abstract：AIM:To examine the clinical and radiographic appearance of teeth that suffered premature interruption of root development and were treated by an mineral trioxide aggregate (MTA) apical plug technique. SUMMARY:Eleven teeth with immature root apices in 11 patients were treated nonsurgically by the manual application of ...

journal_title：International endodontic journal

authors： Pace R,Giuliani V,Pini Prato L,Baccetti T,Pagavino G

更新日期：2007-06-01 00:00:00