An unusual indication for root resection.

abstract：INTRODUCTION:Elucidating the microbial ecology of endodontic infections (EIs) is a necessary step in developing effective intracanal antimicrobials. The aim of the present study was to investigate the bacterial composition of symptomatic and asymptomatic primary and persistent infections in a Greek population using hig...

journal_title：Journal of endodontics

authors： Tzanetakis GN,Azcarate-Peril MA,Zachaki S,Panopoulos P,Kontakiotis EG,Madianos PN,Divaris K

更新日期：2015-08-01 00:00:00

abstract：:Increased levels of interleukin-1 (IL)-1, tumor necrosis factor-alpha (TNF-alpha), IL-6, and prostaglandin E2 (PGE2) have been detected in inflamed pulp tissue. To gain further insight into the molecular pathogenesis of pulpitis, we investigated the effects of IL-1alpha or TNF-alpha and PGE2, either alone or in combin...

journal_title：Journal of endodontics

authors： Lin SK,Kuo MY,Wang JS,Lee JJ,Wang CC,Huang S,Shun CT,Hong CY

更新日期：2002-03-01 00:00:00

abstract：:The aim of this study was to evaluate alterations on the surface of gutta-percha and Resilon cones when exposed to 2% chlorhexidine gel (CHX) and 5.25% sodium hypochlorite (NaOCl) and to evaluate their possible antibacterial residual effects against Enterococcus faecalis and Porphyromonas gingivalis. A total of 270 me...

journal_title：Journal of endodontics

authors： Gomes BP,Berber VB,Montagner F,Sena NT,Zaia AA,Ferraz CC,Souza-Filho FJ

更新日期：2007-08-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to visualize the stresses and strain distribution patterns in ProTaper Universal F2 files (Dentsply Maillefer, Ballaigues, Switzerland) and to establish the stress- and strain-curvature relationship for this instrument under various conditions by using a dynamic, three-dimensi...

journal_title：Journal of endodontics

authors： Gao Y,Cheung GS,Shen Y,Zhou X

更新日期：2011-10-01 00:00:00

abstract：:In this study the sealing ability of a new urethane methacrylate resin-based sealer, EndoRez, was evaluated using a fluid-filtration model. Sixty-four single-rooted lower bicuspids were decoronated, instrumented, and divided into 3 groups of 20 each with 4 teeth used as controls. In group A, the roots were obturated w...

journal_title：Journal of endodontics

authors： Kardon BP,Kuttler S,Hardigan P,Dorn SO

更新日期：2003-10-01 00:00:00

abstract：INTRODUCTION:This systematic review and meta-analysis investigated evidence to support whether apical periodontitis (AP) can modify the systemic levels of inflammatory markers (IM) in humans. METHODS:The MEDLINE, Embase, Cochrane, and PubMed databases were searched between 1948 and 2012, with no language restriction. ...

journal_title：Journal of endodontics

authors： Gomes MS,Blattner TC,Sant'Ana Filho M,Grecca FS,Hugo FN,Fouad AF,Reynolds MA

更新日期：2013-10-01 00:00:00

abstract：INTRODUCTION:Sphingosine-1-phosphate receptor 1 (S1P1) is crucial for regulation of immunity and bone metabolism. This study aimed to investigate the expression of S1P1 in rat periapical lesions and its relationship with receptor activator of nuclear factor kappa B ligand (RANKL) and regulatory T (Treg) cells. METHODS...

journal_title：Journal of endodontics

authors： Xiao L,Zhu L,Yang S,Lei D,Xiao Y,Peng B

更新日期：2015-04-01 00:00:00

abstract：:Occlusal endodontic access preparations are occasionally made in teeth without removing the original restoration. However, microleakage between restorative materials that are placed at different times has not been extensively studied. Therefore, our objective was to compare microleakage at three areas: between an acce...

journal_title：Journal of endodontics

authors： Pai SF,Yang SF,Sue WL,Chueh LH,Rivera EM

更新日期：1999-06-01 00:00:00

abstract：INTRODUCTION:Various materials have been advocated for use as root-end filling materials. The purpose of the present in vitro study was to compare the cytotoxicity of 4 root-end filling materials: glass ionomer cement (GIC; Fuji II, GC Corp, Tokyo, Japan), reinforced zinc oxide-eugenol cement (IRM; Dentsply Tulsa Denta...

journal_title：Journal of endodontics

authors： Lee BN,Son HJ,Noh HJ,Koh JT,Chang HS,Hwang IN,Hwang YC,Oh WM

更新日期：2012-12-01 00:00:00

abstract：INTRODUCTION:This in vitro study compared the performance of the XP-endo Shaper (XP; FKG, La Chaux-de-Fonds, Switzerland) in curved canals when used with a higher speed (3000 rpm) without a glide path with the manufacturer's protocol. METHODS:Twenty extracted mandibular molars with separate mesial curved canals were m...

journal_title：Journal of endodontics

authors： Webber M,Piasecki L,Jussiani EI,Andrello AC,Dos Reis PJ,Azim KA,Azim AA

更新日期：2020-01-01 00:00:00

abstract：:Black-pigmented bacteria (BPB) have been associated with endodontic infections. The purpose of this study was to evaluate further the presence of BPB with the clinical signs and symptoms associated with endodontic infections. Microbial samples were collected from the root canals of 40 intact teeth with necrotic pulps ...

journal_title：Journal of endodontics

authors： Baumgartner JC,Watkins BJ,Bae KS,Xia T

更新日期：1999-06-01 00:00:00

abstract：INTRODUCTION:The objective of this study was to investigate the association between chronic apical periodontitis (CAP) and low-birth-weight preterm births (LBWPB). METHODS:Sixty-three women in postpartum period were included in this case-control study. The case group consisted of mothers of LBWPB infants (n = 33), and...

journal_title：Journal of endodontics

authors： Leal AS,de Oliveira AE,Brito LM,Lopes FF,Rodrigues VP,Lima KF,de Araújo Martins IC

更新日期：2015-03-01 00:00:00

abstract：INTRODUCTION:Interferon regulatory factor 8 (IRF8) is a critical transcription factor in innate immune responses that regulates the development and function of myeloid cells. Human periapical lesions are caused by endodontic microbial infections. However, the presence of IRF8 in human periapical lesions remains elusive...

journal_title：Journal of endodontics

authors： Yu J,Liu M,Zhu L,Zhu S,Lv F,Wang Y,Wang L,Peng B

更新日期：2018-08-01 00:00:00

abstract：:The aim of this study was to test the effect of different concentrations of sodium hypochlorite, chlorhexidine, and cetrimide on the following bacterial strains: Facultative aerobes-anaerobes: Candida albicans ATCC 10231; Enterococcus faecalis ATCC 29212; Escherichia coli ATCC 25,922; Pseudomonas aeruginosa ATCC 27,85...

journal_title：Journal of endodontics

authors： D'Arcangelo C,Varvara G,De Fazio P

更新日期：1999-05-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate and compare, clinically and radiographically, the effects of platelet-rich fibrin (PRF) and mineral trioxide aggregate (MTA) as pulpotomy agents in permanent teeth with incomplete root development. METHODS:A total number of 70 children requiring pulpotomy in 70 pe...

journal_title：Journal of endodontics

authors： Keswani D,Pandey RK,Ansari A,Gupta S

更新日期：2014-05-01 00:00:00

abstract：INTRODUCTION:This study aimed to investigate dental pulp responses to novel bioactive glass (BG) pulp capping materials after direct pulp capping in vivo. METHODS:Novel BG pulp capping materials are composed of powder and fluid. The powder is BG (82.36% SiO2, 15.36% CaO, and 2.28% P2O5), and the fluid is provided in 2...

journal_title：Journal of endodontics

authors： Long Y,Liu S,Zhu L,Liang Q,Chen X,Dong Y

更新日期：2017-10-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of citric acid and EDTA solutions on the microhardness and the roughness of human root canal dentin. Forty-five human teeth sectioned longitudinally were used. Specimens were randomly divided into three groups of 30 teeth each and were treated as follows: (a) one mo...

journal_title：Journal of endodontics

authors： Eldeniz AU,Erdemir A,Belli S

更新日期：2005-02-01 00:00:00

abstract：:The most striking disadvantage of most apex locators is that if there are electrolytes in the canal the meter shows a reading which is too short or sometimes the measurement itself becomes impossible. To overcome this drawback, a new concept for electrically measuring the root canal length has been developed. The devi...

journal_title：Journal of endodontics

authors： Kobayashi C,Suda H

更新日期：1994-03-01 00:00:00

abstract：:Although many options are proposed for the treatment of cracked posterior teeth, most treatment decisions are not evidence based. Thus, considerable individual variation can occur regarding treatment recommendations for the same scenario. To our knowledge, there are no studies in the literature assessing practitioners...

journal_title：Journal of endodontics

authors： Alkhalifah S,Alkandari H,Sharma PN,Moule AJ

更新日期：2017-09-01 00:00:00

abstract：INTRODUCTION:We aimed to compare the antimicrobial efficacy of chlorhexidine (CHX) and sodium hypochlorite (NaOCl), 2 irrigants routinely used in root canal therapy of permanent teeth. METHODS:Electronic databases, including PubMed, EMBASE, Web of Science, and Cochrane Library, were searched for randomized controlled ...

journal_title：Journal of endodontics

authors： Ruksakiet K,Hanák L,Farkas N,Hegyi P,Sadaeng W,Czumbel LM,Sang-Ngoen T,Garami A,Mikó A,Varga G,Lohinai Z

更新日期：2020-08-01 00:00:00

abstract：INTRODUCTION:Dentin regeneration could be an ideal treatment option to restore tissue function. This study was conducted to evaluate the ability of dental pulp stem cells (DPSCs) and dentin matrix protein 1 (DMP1) impregnated within a collagen scaffold to regenerate dentin. METHODS:Simulated perforations were created ...

journal_title：Journal of endodontics

authors： Alsanea R,Ravindran S,Fayad MI,Johnson BR,Wenckus CS,Hao J,George A

更新日期：2011-08-01 00:00:00

abstract：INTRODUCTION:A vertical root fracture (VRF), commonly found in teeth with endodontic treatment, is challenging to diagnose and has poor treatment outcomes. Cone-beam computed tomography (CBCT) has become an increasingly popular imaging modality in endodontics, but image artifacts arising from root-filling materials may...

journal_title：Journal of endodontics

authors： Chang E,Lam E,Shah P,Azarpazhooh A

更新日期：2016-02-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to examine the level of erosion in root dentin caused by different irrigation methods and protocols. METHODS:Thirty-five extracted upper molar teeth were instrumented and divided into 7 groups to undergo treatment by different methods: negative control, GentleWave System (Son...

journal_title：Journal of endodontics

authors： Wang Z,Maezono H,Shen Y,Haapasalo M

更新日期：2016-12-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate and compare the antimicrobial activity of calcium hydroxide, triantibiotic mixture (TAM), and an ethanol extract of propolis as intracanal medicaments on Enterococcus faecalis-infected root canals. METHODS:One hundred twenty extracted intact human permanent incisors w...

journal_title：Journal of endodontics

authors： Madhubala MM,Srinivasan N,Ahamed S

更新日期：2011-09-01 00:00:00

abstract：:The purpose of the study was to evaluate the biocompatibility of two current adhesive resins and a calcium hydroxide cement. Fifty-four polyethylene tubes were filled with these dental materials, which were hand-mixed or light-cured according to the manufacturer's directions: group 1--Clearfill Liner Bond 2 (Kuraray);...

journal_title：Journal of endodontics

authors： Costa CA,Teixeira HM,do Nascimento AB,Hebling J

更新日期：2000-09-01 00:00:00

abstract：INTRODUCTION:Electronic working length measurement during root canal treatment in teeth with enlarged apical foramina is a challenge. The aims of this in vitro study were (1) to assess the influence of foramen widening on the accuracy of 5 different electronic foramen locators (EFLs) and (2) to compare the accuracy of ...

journal_title：Journal of endodontics

authors： Akisue E,Gratieri SD,Barletta FB,Caldeira CL,Grazziotin-Soares R,Gavini G

更新日期：2014-01-01 00:00:00

abstract：:Cells expressing interleukin-1 (IL-1) were examined in rat periapical lesions using immunohistochemical methods. During the acute phase, both IL-1 alpha- and IL-1 beta-expressing cells were observed adjacent to many osteoclasts that contained large cytoplasms, and consequently the periapical lesions tended to expand. ...

journal_title：Journal of endodontics

authors： Matsumoto A,Anan H,Maeda K

更新日期：1998-12-01 00:00:00

abstract：:Taurodontism is a morphoanatomical change in the shape of a tooth, which usually occurs in multirooted teeth. An enlarged body and pulp chamber, as well as apical displacement of the pulpal floor, are characteristic features. Endodontic treatment of a taurodont tooth is challenging, because it requires special care in...

journal_title：Journal of endodontics

authors： Tsesis I,Shifman A,Kaufman AY

更新日期：2003-05-01 00:00:00

abstract：:Interleukin-10 receptor (IL-10R) expression in human, dental pulp, fibroblast cultures was investigated by using the reverse transcriptase-polymerase chain reaction (RT-PCR) technique. After exposure to lipopolysaccharide (LPS) from Prevotella intermedia, the IL-10R mRNA levels increased after 4 h, peaked at 7 h, and ...

journal_title：Journal of endodontics

authors： Tokuda M,Nagaoka S,Torii M

更新日期：2003-01-01 00:00:00

abstract：:The inferior alveolar nerve is sometimes affected by periapical pathoses and mandibular cysts. However, mandibular intraosseous lesions have not been reported to disturb the lingual nerve. A case of simultaneous paresthesia of the right lingual nerve and the right inferior alveolar nerve is presented. The possible mec...

journal_title：Journal of endodontics

authors： Hamada Y,Yamada H,Hamada A,Kondoh T,Suzuki M,Noguchi K,Ito K,Seto K

更新日期：2005-10-01 00:00:00