Influence of cusp coverage on the fracture resistance of premolars with endodontic access cavities.

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 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：:This systematic review (SR; PROSPERO database: CRD42017075160) and network meta-analysis (NMA) identified the most effective oral premedication for anaesthetic success of inferior alveolar nerve blocks (IANB) in cases of irreversible pulpitis. Medline and Ebscohost databases were searched up until 10/2017. Randomized ...

journal_title：International endodontic journal

authors： Pulikkotil SJ,Nagendrababu V,Veettil SK,Jinatongthai P,Setzer FC

更新日期：2018-09-01 00:00:00

abstract：AIM:To describe some toxic effects of arsenic trioxide in the mouth, to condemn its continued use, and present a case in which a tooth was preserved despite significant bony destruction. SUMMARY:A case is presented in which severe alveolar bone necrosis resulted from leak-age of an arsenical devitalization paste into ...

journal_title：International endodontic journal

authors： Ozmeriç N

更新日期：2002-03-01 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 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 compare periapical health using samples from prehistoric and historic periods until the present day, and to emphasize the major risk indicators for apical periodontitis (AP). METHODOLOGY:A comparative survey to assess periapical health was performed on five samples (525 individuals) drawn from different periods...

journal_title：International endodontic journal

authors： Chazel JC,Tramini P,Valcarcel J,Pélissier B

更新日期：2005-05-01 00:00:00

abstract：AIM:To assess and compare the mechanical properties of TRUShape (TRS) with several nickel-titanium rotary instruments. METHODOLOGY:Cyclic fatigue, torsional resistance, flexibility and surface microhardness of TRS (size 25, 0.06v taper), ProTaper Next X2 (PTN X2, size 25, 0.06 taper), ProTaper Gold (PTG F2; size 25, 0...

journal_title：International endodontic journal

authors： Elnaghy AM,Elsaka SE

更新日期：2017-08-01 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：:Dentoalveolar ankylosis is a common complication after replantation of teeth with injured periodontal ligaments. This is a serious complication for the tooth since it leads to progressive root resorption. In young individuals it may also cause infra-occlusion and reduced development of the alveolar process. The purpos...

journal_title：International endodontic journal

authors： Hellsing E,Alatli-Kut I,Hammarström L

更新日期：1993-03-01 00:00:00

abstract：AIM:To evaluate the fracture resistance and fracture patterns of root filled maxillary first premolar teeth (with mesio-occlusal cavity preparation) restored with several composite restoration designs. METHODOLOGY:One hundred extracted sound human maxillary first premolars were randomly divided into five groups. Group...

journal_title：International endodontic journal

authors： Xie KX,Wang XY,Gao XJ,Yuan CY,Li JX,Chu CH

更新日期：2012-06-01 00:00:00

abstract：:Rectified turpentine oil can be used to soften or dissolve gutta-percha in the root canal space to facilitate endodontic retreatment or preparation of space for a post. For endodontic retreatment, the turpentine oil can be heated to 71 degrees C which significantly increases its ability to dissolve gutta-percha. For r...

journal_title：International endodontic journal

authors： Kaplowitz GJ

更新日期：1996-03-01 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 develop a suitable protocol for screening extracted teeth so as to create anatomically well-balanced experimental groups for endodontic studies. METHODOLOGY:Sixty pairs (120 teeth) of contralateral premolars (CLPs) were collected. The evaluation of samples for anatomical features was performed in the following ...

journal_title：International endodontic journal

authors： Xu J,Shao MY,Pan HY,Lei L,Liu T,Cheng L,Hu T,Dummer PM

更新日期：2016-10-01 00:00:00

abstract：AIM:To evaluate connective tissue reactions to iRoot SP (Innovative Bioceramics, Vancouver, BC, Canada), mineral trioxide aggregate (MTA) Fillapex (FLPX) (Angelus Soluções Odontológicas, Londrina, Brazil), DiaRoot Bioaggregate (DiaDent Group International, Burnaby, BC, Canada) and white MTA (Angelus, Londrina, Brazil) ...

journal_title：International endodontic journal

authors： Bósio CC,Felippe GS,Bortoluzzi EA,Felippe MC,Felippe WT,Rivero ER

更新日期：2014-07-01 00:00:00

abstract：AIM:To assess the success rate of the root-end filling material, Mineral Trioxide Aggregate (MTA). METHODOLOGY:Referred adult patients were recruited using strict entry criteria and randomly allocated to receive MTA or IRM. A standardized surgical technique was employed: the root end was resected perpendicularly and a...

journal_title：International endodontic journal

authors： Chong BS,Pitt Ford TR,Hudson MB

更新日期：2003-08-01 00:00:00

abstract：AIM:To evaluate the effect of a calcium aluminate-based cement (CAC+) on the development of the osteogenic phenotype in vitro. METHODOLOGY:Rat calvaria-derived cells were grown on Thermanox® coverslips for 24 h and then exposed to either samples (4-h set) of CAC+ or mineral trioxide aggregate (MTA) placed on Transwell...

journal_title：International endodontic journal

authors： Castro-Raucci LMS,Teixeira LN,Oliveira IR,Raucci-Neto W,Jacobovitz M,Rosa AL,de Oliveira PT

更新日期：2017-08-01 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 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：: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 develop an inexpensive simulation model for training of revitalization procedures. METHODOLOGY:A replica of an immature maxillary central incisor was equipped with a mock blood reservoir at the root apex and embedded in a plaster model. Mock blood consisted of water supplemented with red pigments and fibrinogen...

journal_title：International endodontic journal

authors： Widbiller M,Ducke S,Eidt A,Buchalla W,Galler KM

更新日期：2018-05-01 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:The aim of this study was to determine the percentage of anatomical canal configurations of the mesiobuccal root of the maxillary first molar in Japanese patients. METHODOLOGY:Three hundred teeth were obtained from general dentists who knew absolutely that they were extracted from Japanese patients. The distobucca...

journal_title：International endodontic journal

authors： Weine FS,Hayami S,Hata G,Toda T

更新日期：1999-03-01 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: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 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：: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：:The use of a resin-based glass ionomer as an endodontic sealer was studied in vitro. The root canals of extracted single-rooted human teeth with mature apices were prepared using a stepback technique. Subsequently, the smear layer was removed with 40% citric acid and the canals obturated using lateral condensation of ...

journal_title：International endodontic journal

authors： Saunders WP,Saunders EM,Herd D,Stephens E

更新日期：1992-09-01 00:00:00

abstract：AIM:The aim of the present study was to evaluate the long-term sealing ability (both apical and coronal) of an epoxy resin root canal sealer (AH26) when used with different gutta-percha obturation techniques. METHODOLOGY:Straight single-rooted teeth with mature apices were divided into 10 groups of 75 teeth and one gr...

journal_title：International endodontic journal

authors： De Moor RJ,Hommez GM

更新日期：2002-03-01 00:00:00

abstract：AIM:To evaluate the bond strength of a resin-based sealer (AH Plus) to root canal dentine after the removal of a zinc oxide-eugenol-based sealer (Endofill), using different retreatment techniques. METHODOLOGY:The root canals of sixty-four maxillary incisors were prepared with ProTaper and filled with Endofill/gutta-pe...

journal_title：International endodontic journal

authors： Rached-Junior FJ,Sousa-Neto MD,Souza-Gabriel AE,Duarte MA,Silva-Sousa YT

更新日期：2014-05-01 00:00:00