Laboratory comparison of the mechanical properties of TRUShape with several nickel-titanium rotary instruments.

abstract：AIM:To investigate the expression of TLR2 in refractory periapical lesions. METHODOLOGY:Refractory periapical lesion biopsies were histopathologically and clinically categorized into asymptomatic periapical granuloma (n=10), symptomatic periapical granuloma (n=10) or periapical cyst (n=10) and prepared for immunohisto...

journal_title：International endodontic journal

authors： Desai SV,Love RM,Rich AM,Seymour GJ

更新日期：2011-10-01 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：:Electric pulp testers (EPTs) are widely used to assess tooth pulp vitality. With many unipolar EPTs the electrical circuit is completed through the operator. Since dentists now routinely wear rubber gloves, these might be expected to provide electrical insulation, and therefore to break the circuit. The objective of t...

journal_title：International endodontic journal

authors： Treasure P

更新日期：1989-09-01 00:00:00

abstract：AIM:To evaluate the effect of three nickel-titanium (Ni-Ti) rotary systems with varying tapers on stress distribution and to analyse potential fracture patterns as well as the volume of fracture-susceptible regions in two-rooted maxillary premolars. METHODOLOGY:The root canals of three single-rooted premolars were pre...

journal_title：International endodontic journal

authors： Askerbeyli Örs S,Serper A

更新日期：2018-05-01 00:00:00

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：: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：: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 melatonin (MEL) levels in human dental pulp tissue (hDP) in type 2 diabetic (T2D) participants and the underlying molecular mechanisms of its effects in human dental pulp cells (hDPCs) under hyperglycaemia. METHODOLOGY:The study included 16 healthy and 16 T2D participants who underwent vital pulp ex...

journal_title：International endodontic journal

authors： Milosavljević A,DJukić L,Toljić B,Milašin J,DŽeletović B,Brković B,Roganović J

更新日期：2018-10-01 00:00:00

abstract：:Microorganisms and their by-products are considered to be the major cause of pulp and periradicular pathosis. Hence, a major objective in root canal treatment is to disinfect the entire root canal system, which requires that all contents of the root canal system be eliminated as possible sources of infection. This goa...

journal_title：International endodontic journal

authors： Mohammadi Z,Abbott PV

更新日期：2009-04-01 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:To investigate the composition of materials and leachate of a hydrated prototype cement composed of tricalcium silicate and radiopacifier and compare this to other tricalcium silicate-based cements (Biodentine and Bioaggregate) to assess whether the additives in the proprietary brand cements affect the hydration of...

journal_title：International endodontic journal

authors： Grech L,Mallia B,Camilleri J

更新日期：2013-07-01 00:00:00

abstract：:This study was conducted to evaluate the efficacy of the antibacterial activity of Ca(OH)2 and a sustained-release device containing chlorhexidine (SRD) in both sterilization and prevention of secondary infection of the root canal system. Bovine root dentine specimens previously incubated with Streptococcus faecalis w...

journal_title：International endodontic journal

authors： Heling I,Steinberg D,Kenig S,Gavrilovich I,Sela MN,Friedman M

更新日期：1992-01-01 00:00:00

abstract：AIM:The Bramante method was used to study how the natural curvature of root canals was modified when using the Hero 642 nickel-titanium rotary system. METHODOLOGY:Twenty-four canals were selected in freshly extracted human mandibular molars. Every root canal had an angle of curvature greater than 20 degrees. Roots wer...

journal_title：International endodontic journal

authors： Bertrand MF,Lupi-Pégurier L,Médioni E,Muller M,Bolla M

更新日期：2001-12-01 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 compare the penetration resistance (PR) of six thermoplastic gutta-percha (GP) materials against needle penetration at different temperatures. METHODOLOGY:The PR of the following materials based on warm gutta-percha techniques, Beefill GP Cartridge (Beefill), GP Obturator-Hard/Medium/Soft (Dia-H, Dia-M, Dia-S),...

journal_title：International endodontic journal

authors： Moon HJ,Lee JH,Ahn JH,Song HJ,Park YJ

更新日期：2015-06-01 00:00:00

abstract：LITERATURE REVIEW:Inter-appointment flare-up is characterized by the development of pain, swelling or both, following endodontic intervention. The causative factors of flare-ups encompass mechanical, chemical and/or microbial injury to the pulp or periradicular tissues. Of these factors, microorganisms are arguably the...

journal_title：International endodontic journal

authors： Siqueira JF Jr

更新日期：2003-07-01 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

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 and compare the push-out bond strength of MTA Fillapex (Angelus, Londrina, Brazil) and iRoot SP (Innovative BioCeramix Inc., Vancouver, Canada) to the dentine walls of root canals. AH Plus (Dentsply DeTrey, Konstaz, Germany) and MTA (Angelus, Londrina, Brazil) were used as reference materials. METHODOL...

journal_title：International endodontic journal

authors： Oliveira DS,Cardoso ML,Queiroz TF,Silva EJ,Souza EM,De-Deus G

更新日期：2016-08-01 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：AIM:To apply a standardized protocol for the orofacial evaluation of two adult siblings (one male and one female) with Hereditary Sensory Radicular Neuropathy (HSRN) that presented with dental problems. SUMMARY:The systematic evaluation consisted of (a) clinical questionnaire; (b) radiographs [orthopantomography and c...

journal_title：International endodontic journal

authors： Siqueira SR,Okada M,Lino AM,Teixeira MJ,Siqueira JT

更新日期：2006-11-01 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 assess the failure mechanism of rotary NiTi instruments by chemical, structural and morphological analyses to provide a rational explanation of the effects of surface and bulk treatments on their resistance to fatigue fracture. METHODOLOGY:Thermal treatment (350-500 °C) was performed on electropolished (EP) and...

journal_title：International endodontic journal

authors： Condorelli GG,Bonaccorso A,Smecca E,Schäfer E,Cantatore G,Tripi TR

更新日期：2010-10-01 00:00:00

abstract：AIM:To assess the effectiveness of an active application of liquid etching, compared with the standard gel formulation on smear layer removal from post space walls and push-out bond strength of luted fibre posts. METHODOLOGY:Human extracted teeth were collected and root filled. After post space preparation and cleanin...

journal_title：International endodontic journal

authors： Scotti N,Scansetti M,Rota R,Breschi L,Mazzoni A,Pasqualini D,Berutti E

更新日期：2013-11-01 00:00:00

abstract：AIM:To evaluate the therapeutic effect of Simvastatin on apical periodontitis in rats by assessing the osteoblast production of receptor activator of nuclear factor-Kappa B Ligand (RANKL) and Osteoprotegerin (OPG) cytokines that are essential for bone resorption. METHODOLOGY:Twenty-five healthy 8- to 10-week-old male ...

journal_title：International endodontic journal

authors： Shadmehr E,Khademi A

更新日期：2013-11-01 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：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：:The large variations observed in dentists' management of periapical lesions in endodontically treated teeth suggest that disease concepts used in clinical practice should be investigated. In the present study it was hypothesized that dentists regard various periapical conditions as different stages on a health continu...

journal_title：International endodontic journal

authors： Kvist T,Reit C,Esposito M,Mileman P,Bianchi S,Pettersson K,Andersson C

更新日期：1994-11-01 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 determine the influence of various irrigating solutions on the accuracy of the electronic apex locator facility in the Tri Auto ZX handpiece. METHODOLOGY:One hundred and forty teeth with single canals and mature apices, scheduled for extraction for either periodontal or prosthetic reasons in 76 patients were us...

journal_title：International endodontic journal

authors： Erdemir A,Eldeniz AU,Ari H,Belli S,Esener T

更新日期：2007-05-01 00:00:00