abstract：INTRODUCTION:Culture-independent studies have revealed a broad spectrum of oral bacterial taxa that may be associated with disease. This study investigated the prevalence of three new candidate oral pathogens: Prevotella baroniae, Prevotella multisaccharivorax, and as-yet-uncultivated Bacteroidetes oral clone X083 in p...

journal_title：Journal of endodontics

authors： Rôças IN,Siqueira JF Jr

更新日期：2009-10-01 00:00:00

abstract：INTRODUCTION:Real-time assessment of the microbial status of the root canal system would be useful in clinical endodontic practice for determining endpoints of biomechanical treatment. This laboratory study used an existing laser fluorescence device, the DIAGNOdent (KaVo, Biberach, Germany), in a proof-of-concept study...

journal_title：Journal of endodontics

authors： Sainsbury AL,Bird PS,Walsh LJ

更新日期：2009-10-01 00:00:00

abstract：INTRODUCTION:This study tested whether heat stress (42 degrees C for 30 minutes) induces reactive oxygen species (ROS), proinflammatory cytokines, Nrf2 activation, and Nrf2 target genes such as antioxidant enzymes in human dental pulp (HDP) cells. METHODS:ROS was evaluated by using flow cytometry. Proteins and messeng...

journal_title：Journal of endodontics

authors： Chang SW,Lee SI,Bae WJ,Min KS,Shin ES,Oh GS,Pae HO,Kim EC

更新日期：2009-09-01 00:00:00

abstract：INTRODUCTION:The objective of this study was to evaluate the pH and calcium ion release of calcium hydroxide pastes associated with different substances. METHODS:Forty acrylic teeth with simulated root canals were divided into 4 groups according to the substance associated to the calcium hydroxide paste: chlorhexidine...

journal_title：Journal of endodontics

authors： Duarte MA,Midena RZ,Zeferino MA,Vivan RR,Weckwerth PH,Dos Santos F,Guerreiro-Tanomaru JM,Tanomaru-Filho M

更新日期：2009-09-01 00:00:00

abstract：:Non-surgical endodontic treatment represents a cornerstone of contemporary endodontic care. Reflecting the central importance of this therapy, there is a high number of studies that address issues related to this treatment. Unfortunately, many of these studies are preclinical "bench top" studies with largely undefined...

journal_title：Journal of endodontics

authors：

更新日期：2009-08-01 00:00:00

abstract：INTRODUCTION:The purpose of this systematic review was to compare the clinical and radiographic outcomes of nonsurgical retreatment with those of endodontic surgery to determine which modality offers more favorable outcomes. METHODS:The study began with targeted electronic searches of MEDLINE, PubMed, and Cochrane dat...

journal_title：Journal of endodontics

authors： Torabinejad M,Corr R,Handysides R,Shabahang S

更新日期：2009-07-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to examine whether Enterococcus faecalis isolates from endodontic patients (from saliva and from a root canal) are able to prevail against salivary bacteria when grown in coculture in a biofilm reactor. METHODS:Saliva that was tested to be free of E. faecalis was used as the inoc...

journal_title：Journal of endodontics

authors： Al-Ahmad A,Müller N,Wiedmann-Al-Ahmad M,Sava I,Hübner J,Follo M,Schirrmeister J,Hellwig E

更新日期：2009-07-01 00:00:00

abstract：INTRODUCTION:This in vitro study compared 3 agitation and 2 irrigation devices to ultrasonic agitation at mechanically removing bacteria from a plastic simulated canal, instrumented to 35/.06. METHODS:The plastic blocks were divided into seven groups. The control (C) group with brain-heart infusion (BHI) broth (steril...

journal_title：Journal of endodontics

authors： Townsend C,Maki J

更新日期：2009-07-01 00:00:00

abstract：INTRODUCTION:Neuropeptides play an important role in inflammation and repair and have been implicated in mediating angiogenesis. Pulp fibroblasts express neuropeptide receptors, and the aim of this research was to investigate whether neuropeptides could regulate angiogenic growth factor expression in vitro METHODS:An ...

journal_title：Journal of endodontics

authors： El Karim IA,Linden GJ,Irwin CR,Lundy FT

更新日期：2009-06-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to assess temperature changes in conventional gutta-percha, thermoplastic gutta-percha, and Resilon cones by using thermomechanical compaction technique. METHODS:The root canals of extracted human teeth were placed in resin blocks and sectioned. After root canal preparation, cavi...

journal_title：Journal of endodontics

authors： Sant'Anna-Júnior A,Tanomaru-Filho M,Hungaro Duarte MA,Santos Nunes Reis JM,Guerreiro-Tanomaru JM

更新日期：2009-06-01 00:00:00

abstract：:It is a general belief that large cyst-like periapical lesions and apical true cysts caused by root canal infection are less likely to heal after nonsurgical root canal therapy. Nevertheless, there is no direct evidence to support this assumption. A large cyst-like periapical lesion or an apical true cyst is formed wi...

journal_title：Journal of endodontics

authors： Lin LM,Ricucci D,Lin J,Rosenberg PA

更新日期：2009-05-01 00:00:00

abstract：INTRODUCTION:It is important to develop an antimicrobial agent without any damage on dental pulp. In the present study, we examined whether pretreatment of bacterial lipopolysaccharides (LPS) with ozonated water (O(3)aq) improves LPS-induced responses of rat odontoblastic cell line, KN-3. METHODS:After the pretreatmen...

journal_title：Journal of endodontics

authors： Noguchi F,Kitamura C,Nagayoshi M,Chen KK,Terashita M,Nishihara T

更新日期：2009-05-01 00:00:00

abstract：PURPOSE:To evaluate in vitro the solubility of the Epiphany endodontic filling material Epiphany (Pentron Clinical Technologies, Wallingford, CT) prepared with its resinous solvent. METHODS:The specimens were prepared in the following experimental conditions: (1) GI, epiphany without photoactivation; (2) GII, Epiphany...

journal_title：Journal of endodontics

authors： Mathias-Junior O,Souza-Gabriel AE,Saraiva Miranda CE,Pécora JD,Correa Silva-Sousa YT,Sousa-Neto MD

更新日期：2009-05-01 00:00:00

abstract：:The aim of this review was to consider laboratory experiments and clinical studies of calcium hydroxide-based root canal sealers. An extensive search of the endodontic literature was made to identify publications related to calcium hydroxide-based root canal sealers. The articles were assessed for the outcome of labor...

journal_title：Journal of endodontics

authors： Desai S,Chandler N

更新日期：2009-04-01 00:00:00

abstract：:The bond strength of ActiV GP root canal filling system and gutta-percha/AH plus sealer when used after final rinse with different irrigation protocols was evaluated in this study. Forty roots were randomly divided into four groups (n = 10) according to the final irrigation regimen: group 1, 5 mL 17% EDTA; group 2, 5 ...

journal_title：Journal of endodontics

authors： Hashem AA,Ghoneim AG,Lutfy RA,Fouda MY

更新日期：2009-04-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of different irrigating solutions on smear layer removal and dentinal tubule opening on root canal surfaces after post space preparation and to study whether additional ultrasonic irrigation has any effect on smear layer removal. Forty-eight anterior teeth were trea...

journal_title：Journal of endodontics

authors： Gu XH,Mao CY,Kern M

更新日期：2009-04-01 00:00:00

abstract：:This study highlighted the characteristics and distribution of cracked tooth syndrome (CTS) and the associated factors in adult attendees in the University of Nigeria Teaching Hospital. Three hundred seventy patients aged 18 years to 77 years with CTS-like conditions were included and studied over 12 months. The follo...

journal_title：Journal of endodontics

authors： Udoye CI,Jafarzadeh H

更新日期：2009-03-01 00:00:00

abstract：:Hepatocyte growth factor (HGF) is a potent mitogenic and angiogenic factor involved in the development of many tissues including the teeth. We previously reported that dental pulp cells express the HGF receptor c-met and that HGF can enhance cell proliferation and differentiation. The purpose of this study was to dete...

journal_title：Journal of endodontics

authors： Li R,Peng L,Ren L,Tan H,Ye L

更新日期：2009-03-01 00:00:00

abstract：:This study compares the incidence, degree, and length of postoperative pain in 300 endodontically treated teeth, with and without apical patency, in relation to some diagnostic factors (vitality, presence of preoperative pain, group, and mandible of treated tooth). Of the questionnaires received back, apical patency w...

journal_title：Journal of endodontics

authors： Arias A,Azabal M,Hidalgo JJ,de la Macorra JC

更新日期：2009-02-01 00:00:00

abstract：:This study assessed in vitro the diagnostic ability of cone beam computed tomography (CBCT) scans with different voxel resolutions in the detection of simulated external root resorption (ERR). For that purpose, 59 teeth were viewed through iCAT tomography (Imaging Sciences International, Inc, Hatfield, PA) following t...

journal_title：Journal of endodontics

authors： Liedke GS,da Silveira HE,da Silveira HL,Dutra V,de Figueiredo JA

更新日期：2009-02-01 00:00:00

abstract：:The aim of this study was to investigate the extent of calcium ion (Ca(2+)) removal on root dentin after treatment with 1.25% NaOCl, 2.5% NaOCl, 5.25% NaOCl, 2% chlorhexidine (CHX), 2% iodine potassium iodide (IKI), and MTAD in 3 immersion time periods. Extracted human mandibular premolars were bisected longitudinally...

journal_title：Journal of endodontics

authors： Sayin TC,Cehreli ZC,Deniz D,Akcay A,Tuncel B,Dagli F,Gozukara H,Kalayci S

更新日期：2009-02-01 00:00:00

abstract：:The purpose of this survey was to investigate the frequency and characteristics of surgery among active endodontists in the United States. The survey also inquired about residency and postresidency training in endodontic surgery. A Web-based questionnaire regarding endodontic surgery was distributed via e-mail to 2,53...

journal_title：Journal of endodontics

authors： Creasy JE,Mines P,Sweet M

更新日期：2009-01-01 00:00:00

abstract：:The aim of this study was to determine the effects of patient's age on the prevalence and depth of bacterial penetration inside dentinal tubules. Fifty-six single-rooted teeth were divided in two groups based on the patient's age: young (ages 18-25) and old (age >or=60). Teeth were instrumented and inoculated with a s...

journal_title：Journal of endodontics

authors： Kakoli P,Nandakumar R,Romberg E,Arola D,Fouad AF

更新日期：2009-01-01 00:00:00

abstract：:This study compared the microshear bond strength of three resin-based sealers to root dentin and assessed whether sealer cements behave differently in thin and thick films. Extracted maxillary premolars were sectioned buccolingually, and 45 root halves were randomly allocated for microshear bond testing with the three...

journal_title：Journal of endodontics

authors： Rahimi M,Jainaen A,Parashos P,Messer HH

更新日期：2009-01-01 00:00:00

abstract：:In this retrospective study with limited cone-beam computed tomography (limited CBCT), we investigated the anatomic characteristics of the accessory mental foramina and accessory branches of the mandibular canal. The CBCT records of approximately 150 patients were evaluated, and 17 accessory mental foramina were found...

journal_title：Journal of endodontics

authors： Katakami K,Mishima A,Shiozaki K,Shimoda S,Hamada Y,Kobayashi K

更新日期：2008-12-01 00:00:00

abstract：:Root canal bacteria in teeth with apical periodontitis were enumerated after extraction and incubation. Canals in 36 teeth were sampled after: S1, incubation for 2 hours (group A), 2 days (group B), 4 days (group C), and 6 days (group D); S2, subsequent incubation for 1 week; S3, canal disinfection; and S4, final incu...

journal_title：Journal of endodontics

authors： Villette G,Manek S,Legner M,Fillery ED,Torneck CD,Basrani BR,Friedman S

更新日期：2008-12-01 00:00:00

abstract：:The aim of this in vitro study was to investigate the effect of the smear layer on apical microleakage in teeth obturated with mineral trioxide aggregate (MTA). Fifty single-rooted central maxillary teeth were used in this study. All teeth were instrumented to size 60 by using the step-back technique. The selected tee...

journal_title：Journal of endodontics

authors： Yildirim T,Oruçoğlu H,Cobankara FK

更新日期：2008-12-01 00:00:00

abstract：:The purpose of this study was to evaluate a new periapical index based on cone beam computed tomography (CBCT) for identification of apical periodontitis (AP). The periapical index proposed in this study (CBCTPAI) was developed on the basis of criteria established from measurements corresponding to periapical radioluc...

journal_title：Journal of endodontics

authors： Estrela C,Bueno MR,Azevedo BC,Azevedo JR,Pécora JD

更新日期：2008-11-01 00:00:00

abstract：:The aim of this in vitro study was to determine whether irrigation with apical negative pressure was more effective than traditional positive-pressure irrigation in eradicating Enterococcus faecalis from preshaped root canals. Fifty-four extracted mandibular molars were instrumented to produce either a non-tapered or ...

journal_title：Journal of endodontics

authors： Hockett JL,Dommisch JK,Johnson JD,Cohenca N

更新日期：2008-11-01 00:00:00

abstract：:This report describes the case of a patient with mesenchymal chondrosarcoma in the region of tooth #18 that mimicked apical periodontitis. Forty-five days after endodontic treatment, gingival swelling and intense pain were observed. The endodontist suspected a furcation lesion, and the treatment option that the patien...

journal_title：Journal of endodontics

authors： Bueno MR,De Carvalhosa AA,De Souza Castro PH,Pereira KC,Borges FT,Estrela C

更新日期：2008-11-01 00:00:00

abstract：:Etch-and-rinse adhesives can cause vasorelaxation via mechanisms occurring in the endothelium and smooth muscle, including the release of nitric oxide (NO). This effect might promote or aggravate bleeding if such adhesives are placed inadvertently on iatrogenic pulp microexposures. The present study assessed the vasoa...

journal_title：Journal of endodontics

authors： Basak F,Vural IM,Kaya E,Ulku C,Guven G,Cehreli SB,Cehreli ZC,Seyrek M,Yildiz O

更新日期：2008-10-01 00:00:00

abstract：:The objective of this study was to compare the effectiveness of F-files and ultrasonics to remove the smear layer from instrumented root canals when irrigated with sodium hypochlorite and EDTA. Sixty healthy human premolar teeth were instrumented with ProTaper file series to F3, and the canals were enlarged with Profi...

journal_title：Journal of endodontics

authors： Chopra S,Murray PE,Namerow KN

更新日期：2008-10-01 00:00:00

abstract：:This study compared the cytotoxicity of MetaSEAL (Parkell Inc, Farmington, NY), a methacrylate resin-based sealer with an epoxy resin-based (AH Plus Jet; Dentsply Caulk, Milford, DE) and a zinc oxide-eugenol-based sealer (Pulp Canal Sealer; SybronEndo, Orange, CA). Five-millimeter diameter disks prepared from the resp...

journal_title：Journal of endodontics

authors： Pinna L,Brackett MG,Lockwood PE,Huffman BP,Mai S,Cotti E,Dettori C,Pashley DH,Tay FR

更新日期：2008-09-01 00:00:00

abstract：:The purpose of treating furcal perforation is to seal the artificial communication between the endodontic space and the periradicular tissue to prevent alveolar bone resorption and damage to the periodontal ligament. These complications are not infrequent in cases of furcal and/or old perforations, which show a worse ...

journal_title：Journal of endodontics

authors： Pace R,Giuliani V,Pagavino G

更新日期：2008-09-01 00:00:00

abstract：:Enterococcus faecalis, a pathogenic gram-positive bacterium, is closely related to refractory apical periodontitis. Because lipoteichoic acid (LTA) is considered a major virulence factor of gram-positive bacteria, in the present study, highly pure LTA from E. faecalis was prepared, and its ability to stimulate murine ...

journal_title：Journal of endodontics

authors： Baik JE,Ryu YH,Han JY,Im J,Kum KY,Yun CH,Lee K,Han SH

更新日期：2008-08-01 00:00:00

abstract：:Formocresol pulpotomy (FP) in the United States is most frequently used to treat asymptomatic caries near the pulp in primary teeth. Indirect pulp therapy (IPT) is also indicated and has a significantly higher long-term success. Pulpotomy is thought to be indicated for primary teeth with carious pulp exposures, but re...

journal_title：Journal of endodontics

authors： Coll JA

更新日期：2008-07-01 00:00:00

abstract：:Dental pulp is a soft mesenchymal tissue densely innervated by afferent (sensory) fibers, sympathetic fibers, and parasympathetic fibers. This complexity in pulp innervation has motivated numerous investigations regarding how these 3 major neuronal systems regulate pulp physiology and pathology. Most of this research ...

journal_title：Journal of endodontics

authors： Caviedes-Bucheli J,Muñoz HR,Azuero-Holguín MM,Ulate E

更新日期：2008-07-01 00:00:00

abstract：:The dislocation resistance of root fillings created with MetaSEAL, a self-adhesive 4-META-containing methacrylate resin-based sealer, was evaluated. Forty-six incisors were cleaned and shaped using NaOCl and EDTA as irrigants. They were filled with gutta-percha/MetaSEAL or gutta-percha/AH Plus sealer using either a si...

journal_title：Journal of endodontics

authors： Lawson MS,Loushine B,Mai S,Weller RN,Pashley DH,Tay FR,Loushine RJ

更新日期：2008-07-01 00:00:00

abstract：:This case series reports the outcomes of 8 patients (ages 9-14 years) who presented with 9 immature permanent teeth with pulpal necrosis and apical periodontitis. During treatment, 5 of the teeth were found to have at least some residual vital tissue remaining in the root canal systems. After NaOCl irrigation and medi...

journal_title：Journal of endodontics

authors： Jung IY,Lee SJ,Hargreaves KM

更新日期：2008-07-01 00:00:00

abstract：:Advanced glycation end products (AGEs) have been found to play a role in inflammation and vascular complications. The receptor for AGE (RAGE) is expressed on many cells and is up-regulated during inflammation. To date, RAGE expression or its correlation with nuclear factor kappa beta (NF-kappabeta) expression has not ...

journal_title：Journal of endodontics

authors： Crabtree M,Pileggi R,Bhattacharyya I,Caudle R,Perez F,Riley J,Vertucci F,Katz J

更新日期：2008-06-01 00:00:00