Toxicity evaluation of root canal sealers in vitro.

abstract：AIM:To compare torque and angle of rotation at fracture of new and used K3 rotary instruments. The relation between size of instrument and torque at fracture was also investigated. METHODOLOGY:Nickel-titanium (Ni-Ti).06 K3 rotary instruments were used in a crown-down manner at 300 r.p.m. to prepare canals in resin blo...

journal_title：International endodontic journal

authors： Yared G,Kulkarni GK,Ghossayn F

更新日期：2003-11-01 00:00:00

abstract：AIM:To investigate the prevalence of apical periodontitis and the quality of root canal treatment in an adult Turkish population who visited a university dental clinic. SUMMARY:The periapical status of 8863 teeth belonging to 375 patients was evaluated by two pre-calibrated observers from panoramic radiographs. The pr...

journal_title：International endodontic journal

authors： Sunay H,Tanalp J,Dikbas I,Bayirli G

更新日期：2007-02-01 00:00:00

abstract：AIM:To identify, search for and critically interpret the results from clinical studies on single- versus multiple-visit root canal treatment in the light of an evidence-based paradigm. For that purpose, the quality of the available body of evidence was assessed using the SORT 'grade' - Strength of Recommendation Taxono...

journal_title：International endodontic journal

authors： De-Deus G,Canabarro A

更新日期：2017-03-01 00:00:00

abstract：:During the past few decades several authors have perpetuated the notion that nearly half of all periapical lesions are radicular cysts. A few studies, based on meticulous serial sectioning of periapical lesions retrieved in toto, have shown that the actual incidence of radicular cyst is only about 15% of all periapica...

journal_title：International endodontic journal

authors： Nair PN

更新日期：1998-05-01 00:00:00

abstract：AIM:To compare the area occupied by gutta-percha, sealer, or void in standardized .06 tapered prepared simulated curved canals and in mesio-buccal canals of extracted maxillary first molars filled with a single .06 gutta-percha point and sealer or lateral condensation of multiple .02 gutta-percha points and sealer. ME...

journal_title：International endodontic journal

authors： Gordon MP,Love RM,Chandler NP

更新日期：2005-02-01 00:00:00

abstract：AIMS:To identify Gram-positive rods from root canals of teeth with apical periodontitis and to examine their associations with other species. METHODOLOGY:Consecutive root canal samples (RCSs) from 139 teeth undergoing root canal treatment were analyzed prospectively for cultivable microbes. Gram-positive rods in the f...

journal_title：International endodontic journal

authors： Chávez de Paz LE,Molander A,Dahlén G

更新日期：2004-09-01 00:00:00

abstract：AIM:To evaluate the torsional properties of pathfinding nickel-titanium (NiTi) rotary instruments manufactured from several NiTi alloys, ProGlider (M-wire), Hyflex GPF (conventional NiTi Wire and controlled memory wire), Logic (conventional NiTi wire and controlled memory wire) and Mtwo (conventional NiTi wire). METHO...

journal_title：International endodontic journal

authors： Alcalde MP,Duarte MAH,Bramante CM,Tanomaru-Filho M,Vasconcelos BC,Só MVR,Vivan RR

更新日期：2018-06-01 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 evaluate the effect of depth of insertion of an irrigation needle tip on the removal of hard-tissue debris using micro-computed tomographic (micro-CT) imaging. METHODOLOGY:Twenty isthmus-containing mesial roots of mandibular molars were anatomically matched based on similar morphological dimensions using micro-...

journal_title：International endodontic journal

authors： Perez R,Neves AA,Belladonna FG,Silva EJNL,Souza EM,Fidel S,Versiani MA,Lima I,Carvalho C,De-Deus G

更新日期：2017-06-01 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 investigate in vitro the cytocompatibility of the calcium silicate-containing endodontic sealers MTA Fillapex and TotalFill BC Sealer on human periodontal ligament stem cells (hPDLSCs) by assaying their biological responses and compare them with that observed when using an epoxy resin-based sealer (AH Plus). ME...

journal_title：International endodontic journal

authors： Rodríguez-Lozano FJ,García-Bernal D,Oñate-Sánchez RE,Ortolani-Seltenerich PS,Forner L,Moraleda JM

更新日期：2017-01-01 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：:The aim of this in vitro study was to determine the effect of removal of the smear layer on canal obturation as measured by penetration of bacteria from a coronal direction. One hundred and twenty extracted human teeth with straight, single root canals were decoronated. The canals were prepared using the modified doub...

journal_title：International endodontic journal

authors： Chailertvanitkul P,Saunders WP,MacKenzie D

更新日期：1996-07-01 00:00:00

abstract：AIM:To assess the inflammatory potential of biofilm matrix constituents of Enterococcus faecalis and Pseudomonas aeruginosa monospecies biofilms on macrophages. METHODOLOGY:In vitro biofilms of E. faecalis and P. aeruginosa were grown (7 days) in aerobic and anaerobic conditions. The biofilm matrix components: exopoly...

journal_title：International endodontic journal

authors： Ramirez T,Shrestha A,Kishen A

更新日期：2019-07-01 00:00:00

abstract：AIM:The purpose of this study was to determine the cytotoxicity of three different types of root canal sealer on human periodontal ligament (PDL) cells and a permanent hamster cell line (V79 cells). METHODOLOGY:Set specimens from two resin based sealers (AH26 and AHPlus), three zinc oxide-eugenol-based sealers (Canals...

journal_title：International endodontic journal

authors： Huang FM,Tai KW,Chou MY,Chang YC

更新日期：2002-02-01 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 percentage volume of voids within cement layers, to determine the push-out bond strength of circular and oval fibre posts luted with different commercial resin cements in oval cross-sectional root canals, and to correlate push-out bond strength values and volume of voids of circular and oval fibre p...

journal_title：International endodontic journal

authors： Uzun I,Keleş A,Arslan H,Güler B,Keskin C,Gündüz K

更新日期：2016-12-01 00:00:00

abstract：AIM:The aim of the present study was to investigate the antimicrobial activity of octenidine on Enterococcus faecalis ATCC 29212 in a dentine block model. METHODOLOGY:Fifty-six root segments of extracted human teeth were infected with E. faecalis for 4 weeks. Octenidine-phenoxyethanol gel (1 : 1) was applied for diffe...

journal_title：International endodontic journal

authors： Tandjung L,Waltimo T,Hauser I,Heide P,Decker EM,Weiger R

更新日期：2007-11-01 00:00:00

abstract：AIM:To investigate the root and canal morphology of mandibular permanent teeth collected from an indigenous Turkish population. METHODOLOGY:A total of 1400 extracted mandibular permanent teeth were evaluated. The teeth were divided into seven groups as central incisors, lateral incisors, canines, first premolars, seco...

journal_title：International endodontic journal

authors： Sert S,Aslanalp V,Tanalp J

更新日期：2004-07-01 00:00:00

abstract：AIM:To evaluate ex vivo the incidence of defects in root dentine before and after root canal preparation and filling. METHODOLOGY:Eighty extracted mandibular premolars were divided equally in four groups. Group 1 was left unprepared. All other root canals were prepared using Gates Glidden drills and System GT files up...

journal_title：International endodontic journal

authors： Shemesh H,Bier CA,Wu MK,Tanomaru-Filho M,Wesselink PR

更新日期：2009-03-01 00:00:00

abstract：AIM:To compare ex vivo the penetration of three brands of gutta-percha cones, compacted under a constant force and heated to different temperatures, into artificial lateral canals. METHODOLOGY:Resin blocks with simulated main canals, each having two lateral canals (C at 6.5 and A at 13 mm from the surface of the resin...

journal_title：International endodontic journal

authors： Venturi M,Di Lenarda R,Breschi L

更新日期：2006-08-01 00:00:00

abstract：:The purpose of this study was to observe the quality of seal of the glass ionomer cement, Ketac-Endo, after treatment of the root canal wall. The root canals of 140 extracted human teeth were prepared biomechanically. The root canals were treated with either EDTA or received an intracanal dressing of calcium hydroxide...

journal_title：International endodontic journal

authors： Holland R,Sakashita MS,Murata SS,Junior ED

更新日期：1995-07-01 00:00:00

abstract：AIM:To assess and correlate three distinct states of severely painful endodontically derived inflammation with their depiction on periapical radiographs using periapical index (PAI) scores. METHODOLOGY:During a period of 15 months, 368 consecutively enrolled patients with suspected endodontic emergency conditions were...

journal_title：International endodontic journal

authors： Rechenberg DK,Munir A,Zehnder M

更新日期：2021-02-01 00:00:00

abstract：AIM:To evaluate the shank-to-flute ratio in rotary nickel-titanium (Ni-Ti) instruments. METHODOLOGY:The cutting portion of 15 size 30 Ni-Ti rotary instruments, ProFile.04, ProFile.06, Pow R.02, Pow R.04 and Quantec series 2000, were examined. The handles of the instruments were fixed to a bench and supported by a remo...

journal_title：International endodontic journal

authors： Biz MT,Figueiredo JA

更新日期：2004-06-01 00:00:00

abstract：AIM:To evaluate the influence of root canal form on the sealing ability of two root canal sealers. METHODOLOGY:Twenty radiographically confirmed straight and 20 curved root canals were prepared with a stepback hand filing technique. Root canal aberrations created during preparation were determined by the use of double...

journal_title：International endodontic journal

authors： Juhász A,Verdes E,Tokés L,Kóbor A,Dobó-Nagy C

更新日期：2006-04-01 00:00:00

abstract：:A case is reported where the high flow characteristics of thermoplasticized gutta-percha provided an efficient seal even without adequate shaping of an iatrogenically damaged root canal system. Persistent periradicular irritation was reduced significantly, or isolated within the root canal space, thus allowing periapi...

journal_title：International endodontic journal

authors： Castellucci A,Gambarini G

更新日期：1995-03-01 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 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：AIM:The aims of this study were firstly to compare the area of canal occupied by gutta-percha, sealer or voids using the System B heating device with that obtained by a modified vertical condensation technique using the Touch 'n Heat: and secondly to compare the temperature changes at the root canal wall and external r...

journal_title：International endodontic journal

authors： Silver GK,Love RM,Purton DG

更新日期：1999-08-01 00:00:00

abstract：AIM:To report on the use of cone beam computed tomography (CBCT) in the diagnosis and management of dens invaginatus. SUMMARY:Chronic apical periodontitis of an invaginated maxillary lateral incisor was diagnosed in a patient suffering from hypodontia and awaiting active orthodontic therapy. Loss of the tooth would ha...

journal_title：International endodontic journal

authors： Durack C,Patel S

更新日期：2011-05-01 00:00:00