Cyclic fatigue resistance of ProTaper Next nickel-titanium rotary files.

abstract：:Vertical root fractures in endodontically treated teeth occur frequently in teeth or roots in which their mesiodistal dimension is narrow, such as the maxillary upper premolars. Two cases of vertical root fractures in two adjacent maxillary reconstructed teeth are presented. As in many cases of vertical root fractures...

journal_title：International endodontic journal

authors： Tamse A,Zilburg I,Halpern J

更新日期：1998-03-01 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 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 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: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 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：:A rare case of dens invaginatus involving a non-carious mandibular lateral incisor with periapical periodontitis is reported. Invaginated teeth present technical difficulties in their clinical management because of their abnormal anatomy. In the present case, non-surgical root canal therapy was chosen. A one-year foll...

journal_title：International endodontic journal

authors： Khabbaz MG,Konstantaki MN,Sykaras SN

更新日期：1995-11-01 00:00:00

abstract：:The use of cone beam computed tomography (CBCT) in the diagnosis and/or management of endodontic problems is increasing and is reflected in the exponential rise in publications on this topic in the last two decades. The aim of this paper is to: (i) Review current literature on the endodontic applications of CBCT; (ii)...

journal_title：International endodontic journal

authors： Patel S,Brown J,Pimentel T,Kelly RD,Abella F,Durack C

更新日期：2019-08-01 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：: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 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：:A case is reported of severe loss of alveolar bone in the maxilla, as a result of leakage into the tissues of an arsenical paste from the pulp chamber of an endodontically 'treated' tooth. The history of the use of arsenic in dentistry is discussed, as are the hazards inherent in the use of this outmoded and dangerous...

journal_title：International endodontic journal

authors： Smart ER,Barnes IE

更新日期：1991-09-01 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 detect and quantify dentine sialoprotein (DSP) in the gingival crevicular fluid (GCF) of luxated teeth. METHODOLOGY:Eighteen subjects were enroled and distributed as follows. Group I (n = 6, positive control): subjects with primary second molar teeth undergoing physiological root resorption. Group II (n = 6, ne...

journal_title：International endodontic journal

authors： Kumar V,Logani A,Shah N

更新日期：2013-04-01 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 evaluate the performance of XP-endo Finisher R instruments when removing root filling remnants from oval-shaped canals using microcomputed tomographic (micro-CT) imaging as the analytical tool. Passive ultrasonic irrigation (PUI) was used as a reference technique for comparison. METHODOLOGY:Twenty mandibular in...

journal_title：International endodontic journal

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

更新日期：2019-06-01 00:00:00

abstract：AIM:To evaluate the physicochemical and mechanical properties of Portland cement-based experimental sealers (ES) with different radiopacifying agents (zirconium oxide and niobium oxide micro- and nanoparticles) in comparison with the following conventional sealers: AH Plus, MTA Fillapex and Sealapex. METHODOLOGY:The m...

journal_title：International endodontic journal

authors： Viapiana R,Flumignan DL,Guerreiro-Tanomaru JM,Camilleri J,Tanomaru-Filho M

更新日期：2014-05-01 00:00:00

abstract：AIM:To evaluate the adhesive strength of Resilon to Next root canal sealant (Heraeus-Kulzer), a methacrylate-based root canal sealer, using a modified microshear bond testing design. METHODOLOGY:Flat Resilon surfaces of different roughnesses (smooth surface and surface roughness equivalent to 320-grit and 180-grit) we...

journal_title：International endodontic journal

authors： Hiraishi N,Papacchini F,Loushine RJ,Weller RN,Ferrari M,Pashley DH,Tay FR

更新日期：2005-10-01 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 use the fluid transport model to evaluate the ex vivo short- and long-term microleakage along root canals filled with Gutta-flow or AH-Plus using the cold lateral compaction technique. METHODOLOGY:A total of 38 single-rooted human teeth were used for the assessment of microleakage. The crowns of the teeth were ...

journal_title：International endodontic journal

authors： Vasiliadis L,Kodonas K,Economides N,Gogos C,Stavrianos C

更新日期：2010-05-01 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 investigate an immortalized murine odontoblast cell line as a potential alternative for experimental studies on dentinogenesis. METHODOLOGY:The MO6-G3 cell line was investigated morphologically over 3, 7, 11 and 42 days of culture, using histochemical localization of dentine sialoprotein (DSP), alkaline phospha...

journal_title：International endodontic journal

authors： Mesgouez C,Oboeuf M,Mauro N,Colon P,MacDougall M,Machtou P,Sautier JM,Berdal A

更新日期：2006-06-01 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:To investigate the molecular mechanisms of nitric oxide (NO)-induced cytotoxic effect in human gingival fibroblast (HGF) cells. METHODOLOGY:After sodium nitroprusside (SNP), as NO donor, was treated to HGF, viability was measured by MTT assay and apoptosis was determined by TUNEL and DNA fragmentation assay. Mitoc...

journal_title：International endodontic journal

authors： Baek MW,Seong KJ,Jeong YJ,Kim GM,Park HJ,Kim SH,Chung HJ,Kim WJ,Jung JY

更新日期：2015-03-01 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：:An in vivo investigation was conducted to assess the ability of two laser Doppler flowmeters (DRT4, Moor Instruments Ltd; Laserflo BPM2, Vasamedics) to differentiate between vital pulp, ischaemically necrosed pulp, and an empty pulp chamber in premolar teeth in children. Sixteen intact, vital teeth in need of extracti...

journal_title：International endodontic journal

authors： Mesaros S,Trope M,Maixner W,Burkes EJ

更新日期：1997-05-01 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 compare the fracture resistance of thin-walled roots after restoration with different types of post systems. METHODOLOGY:One hundred and sixty-five decoronated maxillary central incisors were root filled and randomly assigned to three groups with respect to the remaining dentine thickness of root (1.0 mm, 1.5 m...

journal_title：International endodontic journal

authors： Kivanç BH,Alaçam T,Ulusoy OI,Genç O,Görgül G

更新日期：2009-11-01 00:00:00

abstract：AIM:To obtain concurrent radicular measurements in the mesiobuccal (MB) and mesiolingual (ML) canals of mandibular first molars using scanned data of micro-computed tomography (μCT) with novel software. METHODOLOGY:The scanned data from 37 mandibular first molar mesial roots were reconstructed and analysed with custom...

journal_title：International endodontic journal

authors： Lee JK,Yoo YJ,Perinpanayagam H,Ha BH,Lim SM,Oh SR,Gu Y,Chang SW,Zhu Q,Kum KY

更新日期：2015-04-01 00:00:00

abstract：:Chelating agents were introduced into endodontics as an aid for the preparation of narrow and calcified root canals in 1957 by Nygaard-Østby. A liquid solution of ethylenediaminetetraacetic acid (EDTA) was thought to chemically soften the root canal dentine and dissolve the smear layer, as well as to increase dentine ...

journal_title：International endodontic journal

authors： Hülsmann M,Heckendorff M,Lennon A

更新日期：2003-12-01 00:00:00