Conservative treatment of persistent periradicular lesions using aspiration and irrigation.

abstract：INTRODUCTION:A great number of studies performed in the last 3 decades have shown the superior mechanical features of nickel-titanium files as compared with stainless steel files. A novel file system recently developed, Gentlefile, defies these findings and claims to have superior qualities despite the fact it is made ...

journal_title：Journal of endodontics

authors： Moreinos D,Dakar A,Stone NJ,Moshonov J

更新日期：2016-03-01 00:00:00

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：INTRODUCTION:Proteinases play pivotal roles in Candida albicans infections. Although the yeast can colonize the pulpal environment, there is no information about the enzymatic profile of this organism. This in vitro study aimed to determine the proteolysis levels and to investigate differences in the expression of aspa...

journal_title：Journal of endodontics

authors： Miranda TT,Vianna CR,Rodrigues L,Rosa CA,Corrêa A Jr

更新日期：2015-06-01 00:00:00

abstract：INTRODUCTION:This study reports the antimicrobial effect of photodynamic therapy (PDT) combined with endodontic treatment in patients with necrotic pulp infected with microflora resistant to a previous antibiotic therapy. METHODS:Thirty anterior teeth from 21 patients with periapical lesions that had been treated with...

journal_title：Journal of endodontics

authors： Garcez AS,Nuñez SC,Hamblim MR,Suzuki H,Ribeiro MS

更新日期：2010-09-01 00:00:00

abstract：:It is thought that externally applied bleaching agents may penetrate into the pulp chamber. This study was conducted to evaluate the diffusion of peroxide bleaching agents into the pulp chamber of teeth restored with various restorative materials. Sixty-five human extracted anterior maxillary teeth were separated into...

journal_title：Journal of endodontics

authors： Gökay O,Yilmaz F,Akin S,Tunçbìlek M,Ertan R

更新日期：2000-02-01 00:00:00

abstract：:The purpose of this study was to compare Schick CDR and Trophy RVGui direct digital radiography (DDR) systems for the ability to detect periapical lesions in human cadaver mandibles. Digital radiographs were exposed of teeth with normal periapical areas and of teeth with artificially prepared periapical lesions using ...

journal_title：Journal of endodontics

authors： Folk RB,Thorpe JR,McClanahan SB,Johnson JD,Strother JM

更新日期：2005-04-01 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：:This study describes three methods of computerized three-dimensional reconstruction of the main neurovascular pulpal bundle of human teeth, using serial cross-paraffin sections, digital image processing, and three-dimensional computer graphics. These methods are surface representation, representation by means of a sta...

journal_title：Journal of endodontics

authors： Lyroudia K,Nikolaidis N,Pitas I,Palakidis K

更新日期：1995-10-01 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：:The denaturation temperature (T(d)) of dentin collagen in mineralized versus demineralized teeth was examined as a function of dentin age and the extent of dehydration. Using differential scanning calorimetry, T(d) of mineralized dentin was shown to be between 160 degrees C to 186 degrees C, depending on whether it wa...

journal_title：Journal of endodontics

authors： Armstrong SR,Jessop JL,Winn E,Tay FR,Pashley DH

更新日期：2006-07-01 00:00:00

abstract：INTRODUCTION:The choice of single- versus multiple-visit root canal treatment for infected teeth is in dispute. The purpose of this systematic review was to compare the healing rate and post-obturation pain of single- versus multiple-visit root canal treatment for teeth with infected root canals. METHODS:An exhaustive...

journal_title：Journal of endodontics

authors： Su Y,Wang C,Ye L

更新日期：2011-02-01 00:00:00

abstract：INTRODUCTION:The efficacy of retreatment techniques for BC Sealer (BCS) (Brasseler USA, Savannah, GA) removal has not yet been assessed. The purpose of this study was to evaluate the efficacy of solvent and rotary instrumentation in the removal of BCS when used in combination with gutta-percha (GP) as compared with AH ...

journal_title：Journal of endodontics

authors： Hess D,Solomon E,Spears R,He J

更新日期：2011-11-01 00:00:00

abstract：:The Editorial Board of the Journal of Endodontics has developed a literature-based study guide of topical areas related to endodontics. This study guide is intended to give the reader a focused review of the essential endodontic literature and does not cite all possible articles related to each topic. Although citing ...

journal_title：Journal of endodontics

authors： JOE Editorial Board.

更新日期：2008-05-01 00:00:00

abstract：INTRODUCTION:Pain present 6 months after root canal treatment (RCT) may be of odontogenic or nonodontogenic origin. This is important because treatments and prognoses are different; therefore, the aim of this study was to provide specific diagnoses of patients reporting pain 6 months after receiving initial orthograde ...

journal_title：Journal of endodontics

authors： Nixdorf DR,Law AS,John MT,Sobieh RM,Kohli R,Nguyen RH,National Dental PBRN Collaborative Group.

更新日期：2015-04-01 00:00:00

abstract：:The external cervical root resorption associated with intracoronal bleaching of pulpless teeth can be a devastating lesion. It often cannot be repaired. To prevent this problem, increasing attention has been focused on placing a barrier between the pulp chamber and the endodontic filling material. The objective of thi...

journal_title：Journal of endodontics

authors： Steiner DR,West JD

更新日期：1994-06-01 00:00:00

abstract：INTRODUCTION:Experimental studies show that dental pulp cells respond unfavorably to contact with resin composite restorative material. Hypothetically, in a random population, the frequency of apical periodontitis should be higher for teeth restored with resin composite than with amalgam. Therefore, the aim was to comp...

journal_title：Journal of endodontics

authors： Dawson V,Petersson K,Wolf E,Akerman S

更新日期：2014-09-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the effect of various degrees of cyclic fatigue on torsional failure and torsional preloading on the cyclic fatigue life of heat-treated K3XF nickel-titanium (NiTi) instruments (SybronEndo, Orange, CA). METHODS:The mean number of cycles until failure (Nf) of K3XF ...

journal_title：Journal of endodontics

authors： Shen Y,Riyahi AM,Campbell L,Zhou H,Du T,Wang Z,Qian W,Haapasalo M

更新日期：2015-04-01 00:00:00

abstract：INTRODUCTION:It has been reported that integrin-α5 (ITGA5) activity is related to cell proliferation, differentiation, migration, and organ development. However, the involvement of ITGA5 in the biological functions of human dental pulp stem cells (hDPSCs) has not been explored. The aim of this study was to investigate ...

journal_title：Journal of endodontics

authors： Cui L,Xu S,Ma D,Gao J,Liu Y,Yue J,Wu B

更新日期：2014-02-01 00:00:00

abstract：:Ninety-six human molars were accessed. After flattening of the occlusal surface and removal of the apical two-thirds of the roots, the remaining canal space was instrumented by conventional methods. The teeth were divided into six groups of 15 teeth with three positive and three negative controls. The six experimental...

journal_title：Journal of endodontics

authors： Carman JE,Wallace JA

更新日期：1994-12-01 00:00:00

abstract：:This review considers oral trauma and its relationship to orthodontics with respect to prevention and primary, secondary, and tertiary care. The level of evidence is not high in regard to this topic, but recommendable approaches to trauma at each stage are discussed on the basis of available literature and published g...

journal_title：Journal of endodontics

authors： Fields HW,Christensen JR

更新日期：2013-03-01 00:00:00

abstract：:This study investigated the possibility of saliva recontamination occurring between the root canal wall and sealer through dentinal tubules exposed after the cementum was removed at the cervical level by root planing and treatment with citric acid. Thirty-four extracted human maxillary anterior teeth were randomly pla...

journal_title：Journal of endodontics

authors： Berutti E

更新日期：1996-11-01 00:00:00

abstract：INTRODUCTION:Microorganisms are able to survive and cause persistent infection in the extraradicular area. The aims of this study were to investigate the primary bacterial flora and the localization of extraradicular biofilm in persistent apical periodontitis lesions. METHODS:Apical root samples from root-end surgery ...

journal_title：Journal of endodontics

authors： Wang J,Jiang Y,Chen W,Zhu C,Liang J

更新日期：2012-07-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of occlusal load on the integrity of root canal obturation. Maxillary anterior teeth were cleaned, shaped, and obturated with either gutta-percha (GP)/AH Plus or Resilon/Epiphany. Afterwards, teeth were placed under 100 N force at 2 Hz for 22 hours in a 37 degrees C...

journal_title：Journal of endodontics

authors： Bishop D,Griggs J,He J

更新日期：2008-04-01 00:00:00

abstract：:This study aimed to investigate periapical exudate neutrophil elastase (NE) and prostaglandin E2 (PGE2) levels and their relationships with clinical symptoms, and to determine the changes of their levels following first treatment visit. Periapical exudate samples were collected from the canals of 34 nonvital single-ro...

journal_title：Journal of endodontics

authors： Alptekin NO,Ari H,Haliloglu S,Alptekin T,Serpek B,Ataoglu T

更新日期：2005-11-01 00:00:00

abstract：INTRODUCTION:The purpose of this in-depth investigation was to identify, clarify, and substantiate clinical terminology relative to apical/periapical/periradicular diagnostic states, which is used routinely in the provision of endodontic care. Furthermore, the information gleaned from this investigation was used to lin...

journal_title：Journal of endodontics

authors： Gutmann JL,Baumgartner JC,Gluskin AH,Hartwell GR,Walton RE

更新日期：2009-12-01 00:00:00

abstract：:The cytotoxicity of four different calcium hydroxide-based root canal sealers (Sealapex, Apexit, CRCS, and Endoflas FS) was tested using human gingiva fibroblasts. The fibroblasts were acquired from the attached gingiva of apparently healthy patients. The sealers were allowed to set for 24 and 48 h before being covere...

journal_title：Journal of endodontics

authors： Briseño BM,Willershausen B

更新日期：1992-03-01 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：:The aim of this laboratory based study was to determine the shaping ability of Lightspeed nickel-titanium rotary instruments in simulated root canals. A total of 40 canals with four different shapes in terms of angle and position of curve were prepared with Lightspeed instruments using the stepback technique recommend...

journal_title：Journal of endodontics

authors： Thompson SA,Dummer PM

更新日期：1997-12-01 00:00:00

abstract：:The purpose of this in vitro study was to evaluate the accuracy of Root ZX apex locator to determine the working length in teeth with simulated apical root resorption. Fifty extracted, single-rooted, human teeth with mature apices were used in this study. An irregular cavity defect was drilled at the apex of each toot...

journal_title：Journal of endodontics

authors： Goldberg F,De Silvio AC,Manfré S,Nastri N

更新日期：2002-06-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to investigate the release of growth factors into root canal space after the irrigation procedure of regenerative endodontic procedure. METHODS:Sixty standardized root segments were prepared from extracted single-root teeth. Nail varnish was applied to all surfaces except the roo...

journal_title：Journal of endodontics

authors： Zeng Q,Nguyen S,Zhang H,Chebrolu HP,Alzebdeh D,Badi MA,Kim JR,Ling J,Yang M

更新日期：2016-12-01 00:00:00