Failure characteristics of endodontically treated premolars restored with a post and direct restorative material.

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 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：AIM:To clarify the mechanisms of inflammatory cell migration in human periapical granulomas by examining vascular endothelial (VE) cadherin and inducible nitric oxide synthase (iNOS)-producing cells. METHODOLOGY:Periapical tissues were obtained from patients during endodontic surgery and were divided into two portions...

journal_title：International endodontic journal

authors： Hama S,Takeichi O,Hayashi M,Komiyama K,Ito K

更新日期：2006-03-01 00:00:00

abstract：AIM:To investigate the root form and canal morphology of mandibular first molar teeth in a Taiwan Chinese population. METHODOLOGY:A total of 183 mandibular first molars were collected and examined visually through a dissecting microscope after rendering the teeth transparent. The number of roots, number of canals and ...

journal_title：International endodontic journal

authors： Chen G,Yao H,Tong C

更新日期：2009-11-01 00:00:00

abstract：AIM:To conduct three-dimensional micro-CT analysis of bone destruction, periapical sclerotic changes and inflammatory root resorption (IRR) to compare the differences between Enterococcus faecalis (Ef)- and Porphyromonas gingivalis (Pg)-induced chronic apical periodontitis (CAP). METHODOLOGY:Mono-species bacteria-indu...

journal_title：International endodontic journal

authors： Chen S,Lei H,Luo Y,Jiang S,Zhang M,Lv H,Cai Z,Huang X

更新日期：2019-07-01 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 develop a precise and simple mounting model (MM) for evaluating apex locators and to compare the repeatability of the MM with a conventional visual method (VM). METHODOLOGY:Electronic working length determination was performed in 32 maxillary central incisors using two methods: (i) the MM method and (ii) a conv...

journal_title：International endodontic journal

authors： ElAyouti A,Löst C

更新日期：2006-02-01 00:00:00

abstract：AIM:To report a case of reparative bone-like tissue formation in the tooth of a patient with systemic sclerosis. SUMMARY:A 58-year-old Japanese female patient with systemic sclerosis was referred because of tooth fracture. Cone beam computerized tomography (CBCT) revealed multiple root resorption and the unclear trans...

journal_title：International endodontic journal

authors： Matsuda S,Memida T,Mizuno N,Ogawa I,Ouhara K,Kajiya M,Fujita T,Sugiyama E,Kurihara H

更新日期：2018-09-01 00:00:00

abstract：AIM:To report on a novel method to instrument a dilacerated double-curved mandibular premolar. SUMMARY:A 45-year-old female was referred suffering from diffuse pain emanating from the mandibular right quadrant. The second premolar (tooth 45) was diagnosed with symptomatic irreversible pulpitis. The radiographic examin...

journal_title：International endodontic journal

authors： Chaniotis A,Filippatos C

更新日期：2017-02-01 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：: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 Netherlands Society for Endodontology has developed a 5-year plan for continuing education that served as a guideline for two basic courses in endodontology. The 2-day basic course has been attended by over 2000 dentists, and has been very much appreciated according to the evaluation outlined in this article. The ...

journal_title：International endodontic journal

authors： Wesselink PR

更新日期：1991-07-01 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：:Sodium hypochlorite (NaOCl), is the most popular irrigation solution used in root canal treatment but it is known to be an irritant to vital tissues. There have been many case reports dealing with toxic effects of this material. Although the allergic potential of NaOCl has been described in the medical literature, onl...

journal_title：International endodontic journal

authors： Calişkan MK,Türkün M,Alper S

更新日期：1994-05-01 00:00:00

abstract：AIM:To investigate the prevalence of Porphyromonas gingivalis in root canals of infected teeth with periapical abscesses and to investigate the antimicrobial susceptibility of this species to some frequently prescribed antibiotics. METHODOLOGY:Samples were obtained from 70 root canals of abscessed teeth. Microbial sam...

journal_title：International endodontic journal

authors： Jacinto RC,Gomes BP,Shah HN,Ferraz CC,Zaia AA,Souza-Filho FJ

更新日期：2006-01-01 00:00:00

abstract：AIM:The aim of the present study was to identify periapical changes 20-27 years after root-canal treatment. METHODOLOGY:The periapical condition of 265 roots filled by undergraduate students was evaluated in two series of intraoral radiographs taken 10-17 and 20-27 years after treatment. Roots (72) not recorded with a...

journal_title：International endodontic journal

authors： Molven O,Halse A,Fristad I,MacDonald-Jankowski D

更新日期：2002-09-01 00:00:00

abstract：AIM:To compare the antibacterial activity of 2-hydroxyisocaproic acid (HICA) with currently used root canal medicaments and to examine their interactions with potential inhibitors in nutrient-deficient and nutrient-rich conditions. METHODOLOGY:First, the antibacterial activity of single concentrations of HICA, calcium...

journal_title：International endodontic journal

authors： Sakko M,Tjäderhane L,Sorsa T,Hietala P,Rautemaa R

更新日期：2016-04-01 00:00:00

abstract：AIM:To evaluate the effects of a long period of oestrogen deficiency on the development of apical periodontitis in rats. METHODOLOGY:Wistar rats (n = 24), 3 months old, evaluated by vaginal cytology, were included in the study. Twelve animals were ovariectomized (OVX group) and the other 12 were sham operated (control...

journal_title：International endodontic journal

authors： Brasil SC,Santos RM,Fernandes A,Alves FR,Pires FR,Siqueira JF Jr,Armada L

更新日期：2017-02-01 00:00:00

abstract：AIM:To compare root canal treatments performed before and after education in a nickel-titanium rotary technique (NiTiR) with respect to costs for instrumentation and number of instrumentation sessions in a County Public Dental Service in Sweden. METHODOLOGY:  Following education, 77% of the general dental practitioner...

journal_title：International endodontic journal

authors： Koch M,Tegelberg A,Eckerlund I,Axelsson S

更新日期：2012-07-01 00:00:00

abstract：:When operated in air, the sonic endodontic instrument produced a movement at the driver head which resulted in a large elliptical oscillation of the file. This motion had similar properties to ultrasonically operated files in that there was a distinct variability in the magnitude of the vibratory motion between files ...

journal_title：International endodontic journal

authors： Walmsley AD,Lumley PJ,Laird WR

更新日期：1989-05-01 00:00:00

abstract：AIM:To evaluate the influence of post design and roughness and cement system (dual- or self-cured) on the retention of glass fibre posts. METHODOLOGY:Two tapered and smooth posts (Exacto Cônico No. 2 and White Post No. 1) and two parallel-sided and serrated posts (Fibrekor 1.25 mm and Reforpost No. 2) were adhesively ...

journal_title：International endodontic journal

authors： Poskus LT,Sgura R,Paragó FE,Silva EM,Guimarães JG

更新日期：2010-04-01 00:00:00

abstract：AIM:To investigate a potential cause-effect relationship between dentinal microcracks and fracture resistance of mandibular incisors that had not been endodontically treated. METHODOLOGY:Sixty mandibular incisors with circular-shaped canals were selected based on micro-computed tomographic scans to create a homogeneou...

journal_title：International endodontic journal

authors： Cavalcante DM,Belladonna FG,Simões-Carvalho M,Carvalhal JCA,Souza EM,Lopes RT,Silva EJNL,Dummer PMH,De-Deus G

更新日期：2020-11-01 00:00:00

abstract：AIM:To evaluate the physical and mechanical properties of two cements with a similar chemical composition to mineral trioxide aggregate and to attempt to improve their properties by producing a composite material. METHODOLOGY:Two cement types were used: a mixture of calcium sulpho-aluminate cement and Portland cement ...

journal_title：International endodontic journal

authors： Camilleri J

更新日期：2008-10-01 00:00:00

abstract：:The antibacterial activity of four elements (zinc, copper, fluoride and mercury), previously reported to be released from dental restorative materials, was investigated. This was carried out using two aerobic micro-organisms isolated from dentine beneath cavities in the ferret. These were grown in the presence of the ...

journal_title：International endodontic journal

authors： Nourollahi M,Meryon SD

更新日期：1989-01-01 00:00:00

abstract：AIM:The aims of this study were to: (i) investigate the effects of Ledermix paste as an intracanal medicament on discolouration of immature teeth, (ii) examine whether the discolouring effects were related to the method of application, (iii) examine the effects of sunlight upon discolouration of immature teeth and (iv)...

journal_title：International endodontic journal

authors： Kim ST,Abbott PV,McGinley P

更新日期：2000-05-01 00:00:00

abstract：AIM:To evaluate, using an experimental immature tooth model, the fracture resistance of bovine incisors submitted to different reinforcement treatments with mineral trioxide aggregate (MTA). METHODOLOGY:An immature tooth model was created by sectioning the coronal and apical portions of 40 bovine incisors 8 mm above a...

journal_title：International endodontic journal

authors： Bortoluzzi EA,Souza EM,Reis JM,Esberard RM,Tanomaru-Filho M

更新日期：2007-09-01 00:00:00

abstract：AIMS:(i) To compare the prevalence of extrusion of root filling material when placed using different root filling techniques, with or without customization of the master gutta-percha (GP) cone; and (ii) to investigate the effects of some factors influencing root filling extrusion and presence of voids. METHODOLOGY:A t...

journal_title：International endodontic journal

authors： van Zyl SP,Gulabivala K,Ng YL

更新日期：2005-09-01 00:00:00

abstract：AIM:To evaluate the efficacy of a prototype root canal dressing containing surface pre-reacted glass-ionomer (S-PRG) fillers on repairing induced periapical lesions in a rat model. Calcium hydroxide [Ca(OH)2 ] was applied as a comparison in the healing process. METHODOLOGY:The pulp chambers of the maxillary first mola...

journal_title：International endodontic journal

authors： Xiong B,Shirai K,Matsumoto K,Abiko Y,Furuichi Y

更新日期：2021-02-01 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 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