Fracture resistance of thin-walled roots restored with different post systems.

abstract：:Four hundred and fifty-five extracted mandibular incisor and 340 extracted mandibular premolar teeth were radiographed to assess the incidence of twin canals as visualized on radiographs taken in the mesio-distal direction. The ability to detect the presence of these twin canals by viewing radiographs taken in the sta...

journal_title：International endodontic journal

authors： Nattress BR,Martin DM

更新日期：1991-03-01 00:00:00

abstract：AIM:To report the hydration mechanism of white mineral trioxide aggregate (White MTA, Dentsply, Tulsa Dental Products, Tulsa, OK, USA). METHODOLOGY:The chemical constitution of white MTA was studied by viewing the powder in polished sections under the scanning electron microscope (SEM). The hydration of both white MTA...

journal_title：International endodontic journal

authors： Camilleri J

更新日期：2007-06-01 00:00:00

abstract：AIM:To compare the efficacy of different solutions (1% sodium hypochlorite, 10% citric acid and 20% EDTA) in the removal of calcium hydroxide from root canals. METHODOLOGY:One hundred single-rooted maxillary incisors were prepared to size 50 and split longitudinally. Two standardized grooves were cut into the apical a...

journal_title：International endodontic journal

authors： Rödig T,Vogel S,Zapf A,Hülsmann M

更新日期：2010-06-01 00:00:00

abstract：AIM:To investigate the role of the Ca(2+) -Mg(2+) ion channel TRPM7 in the proliferation, migration and osteogenic differentiation of human dental pulp stem cells (hDPSCs). METHODOLOGY:Immunohistochemistry was used to localize expression of TRPM7 in human dental pulp tissues and in cultured hDPSCs. Isolated hDPSCs wer...

journal_title：International endodontic journal

authors： Cui L,Xu SM,Ma DD,Wu BL

更新日期：2014-06-01 00:00:00

abstract：AIM:To evaluate the effect of capsaicin on substance P (SP) expression during induced inflammation in rat pulp tissue. METHODOLOGY:Radioimmunoanalysis was used to measure SP levels in 36 mandibular molar pulps taken from six Wistar rats. Twelve samples were obtained from healthy pulps and used as negative control grou...

journal_title：International endodontic journal

authors： Caviedes-Bucheli J,Azuero-Holguin MM,Munoz HR

更新日期：2005-01-01 00:00:00

abstract：AIM:To establish a cell line of immortalized human dental papilla cells (hDPCs). METHODOLOGY:Primary hDPCs were cultured and infected with lentivirus containing the hTERT gene. Integration and transcription of the hTERT gene were verified by PCR. The characteristics of the cells, such as morphology, proliferation and ...

journal_title：International endodontic journal

authors： Yang GB,Li XY,Yuan GH,Liu H,Fan MW

更新日期：2013-06-01 00:00:00

abstract：AIM:The objectives of this laboratory-based study were to investigate the effects of GH12 on Enterococcus faecalis biofilm and virulence. METHODOLOGY:Minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of GH12 against E. faecalis were first determined. A time-kill assay was further cond...

journal_title：International endodontic journal

authors： Li Y,Wang Y,Chen X,Jiang W,Jiang X,Zeng Y,Li X,Feng Z,Luo J,Zhang L

更新日期：2020-07-01 00:00:00

abstract：AIM:To examine the occurrence of Candida spp. in refractory periapical granulomas. METHODOLOGY:One hundred and three surgically removed periapical granulomas were subjected to molecular analysis for the occurrence of Candida albicans. DNA was extracted from the samples using a modified phenol/chloroform/isoamyl alcoho...

journal_title：International endodontic journal

authors： Waltimo T,Kuusinen M,Järvensivu A,Nyberg P,Väänänen A,Richardson M,Salo T,Tjäderhane L

更新日期：2003-09-01 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

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, 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：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 compare canal and isthmus debris debridement efficacies of the manual dynamic irrigation (MDI) and apical negative pressure (ANP) techniques in the mesial root of mandibular first molars with narrow isthmi, using a closed canal design. METHODOLOGY:Micro-computed tomography was employed to select 20 teeth, each ...

journal_title：International endodontic journal

authors： Susin L,Liu Y,Yoon JC,Parente JM,Loushine RJ,Ricucci D,Bryan T,Weller RN,Pashley DH,Tay FR

更新日期：2010-12-01 00:00:00

abstract：AIM:To report clinical complications (pain, necrotic gingival tissue and bone sequestration) resulting from accidental injection of sodium hypochlorite. SUMMARY:Root canal treatment is a routine clinical procedure with few reported complications. Sodium hypochlorite (NaOCl) is commonly used as an irrigant during the p...

journal_title：International endodontic journal

authors： Pontes F,Pontes H,Adachi P,Rodini C,Almeida D,Pinto D Jr

更新日期：2008-03-01 00:00:00

abstract：AIM:To evaluate the effect of citric acid, ethylenediaminetetraacetic acid (EDTA) and ethylenediaminetetraacetic acid plus Cetavlon (EDTAC) solutions on the microhardness of human root canal dentine. METHODOLOGY:Sixteen maxillary human canines were sectioned transversely at the cemento-enamel junction and the crowns w...

journal_title：International endodontic journal

authors： De-Deus G,Paciornik S,Mauricio MH

更新日期：2006-05-01 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:The aim of this in vitro study was to evaluate the antimicrobial effectiveness of electro-chemically activated water (ECA) as an endodontic irrigation solution. METHODOLOGY:The root canals of 60 caries-free, single-rooted, adult, maxillary, anterior human teeth were instrumented and irrigated in a similar method t...

journal_title：International endodontic journal

authors： Marais JT,Williams WP

更新日期：2001-04-01 00:00:00

abstract：AIM:To investigate the incidence of and factors associated with pulpal necrosis in vital teeth restored with metal-ceramic crowns (CMCs) or crowned as part of a fixed-fixed bridge. METHODOLOGY:Patients who had a CMC or bridge retainer (BR) placed on a tooth with no previous history of root canal treatment from 1981 to...

journal_title：International endodontic journal

authors： Cheung GS,Lai SC,Ng RP

更新日期：2005-08-01 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：: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 evaluate ex vivo the quality of root fillings completed by two thermoplasticized gutta-percha techniques (Thermafil and System B) and a cold gutta-percha technique (single point) by μCT analysis. METHODOLOGY:A total of 30 freshly extracted human single-rooted permanent teeth were selected. Root canals were prep...

journal_title：International endodontic journal

authors： Somma F,Cretella G,Carotenuto M,Pecci R,Bedini R,De Biasi M,Angerame D

更新日期：2011-04-01 00:00:00

abstract：AIM:To evaluate the apical extrusion of debris associated with several root canal preparation systems in vitro. METHODOLOGY:Forty-five extracted human mandibular premolars with single canals and similar lengths were used. The root canals were instrumented using ProTaper Next (Dentsply Maillefer, Ballaigues, Switzerlan...

journal_title：International endodontic journal

authors： Üstün Y,Çanakçi BC,Dinçer AN,Er O,Düzgün S

更新日期：2015-07-01 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 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：: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: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 compare the efficacy of photon-induced photoacoustic streaming (PIPS) technique with conventional, sonic and ultrasonic irrigation on the removal of apically placed dentinal debris from an artificial groove created in a root canal. METHODOLOGY:Root canal preparation was performed up to size 40 on 48 extracted s...

journal_title：International endodontic journal

authors： Arslan H,Capar ID,Saygili G,Gok T,Akcay M

更新日期：2014-11-01 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 determine the effect of intracoronal bleaching agents on adhesion of bonding agents to pulp chamber dentine. METHODOLOGY:Forty extracted human maxillary anterior teeth were randomly divided into four groups of 10 teeth each. Bleaching agents were sealed in pulp chambers for 7 days, as in clinical use. Group 1 (...

journal_title：International endodontic journal

authors： Timpawat S,Nipattamanon C,Kijsamanmith K,Messer HH

更新日期：2005-04-01 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