Quantification of endotoxins in infected root canals and acute apical abscess exudates: monitoring the effectiveness of root canal procedures in the reduction of endotoxins.

abstract：:The purpose of this in vitro study was to investigate the canal configuration types, and the prevalence and location of anatomical variations in the mesiobuccal (MB) and mesial roots of permanent maxillary and mandibular first molars after instrumentation. The number and the type of canals were determined before instr...

journal_title：Journal of endodontics

authors： Jung IY,Seo MA,Fouad AF,Spångberg LS,Lee SJ,Kim HJ,Kum KY

更新日期：2005-05-01 00:00:00

abstract：INTRODUCTION:This retrospective study assessed the effects of microsurgical treatment of post-treatment endodontic disease using SuperEBA (Bosworth, Skokie, IL) as the root-end filling material and evaluated the potential prognostic factors in relation to outcome. METHODS:Data were collected from patients diagnosed wi...

journal_title：Journal of endodontics

authors： Li H,Zhai F,Zhang R,Hou B

更新日期：2014-03-01 00:00:00

abstract：:A nested polymerase chain reaction (PCR)-based method was used to directly survey samples taken from primary endodontic infections for the occurrence of Pseudoramibacter alactolyticus. Identification by nested PCR was performed in root-canal samples from teeth associated with asymptomatic periradicular lesions or acut...

journal_title：Journal of endodontics

authors： Siqueira JF Jr,Rôças IN

更新日期：2003-11-01 00:00:00

abstract：INTRODUCTION:The purpose of this prospective, randomized, single-blind crossover study was to evaluate the anesthetic efficacy of a combination palatal and buccal infiltration of the maxillary first molar. MATERIALS AND METHODS:Using a crossover design, 40 subjects received two sets of maxillary first molar infiltrati...

journal_title：Journal of endodontics

authors： Guglielmo A,Drum M,Reader A,Nusstein J

更新日期：2011-04-01 00:00:00

abstract：:Atypical odontalgia is characterized by prolonged periods of throbbing or burning pain in the teeth or alveolar process, which occurs in the absence of any identifiable odontogenic etiology. The pain may be bilateral and change in location. This article presents two cases of atypical odontalgia that were misdiagnosed ...

journal_title：Journal of endodontics

authors： Lilly JP,Law AS

更新日期：1997-05-01 00:00:00

abstract：:A molar-incisor malformation (MIM) is a newly reported type of dental anomaly that involves a characteristic root malformation in permanent first molars and deciduous second molars and a crown defect in permanent central incisors. This case report describes a nonsurgical root canal treatment of a MIM-affected molar by...

journal_title：Journal of endodontics

authors： Yue W,Kim E

更新日期：2016-04-01 00:00:00

abstract：:A long-standing lesion associated with an undetected perforation of the furca in a mandibular molar was successfully managed using a multidisciplinary treatment approach. The sequence of therapeutic procedures involved conventional endodontic retreatment, an initial orthograde sealing of the perforation, guided tissue...

journal_title：Journal of endodontics

authors： Goon WW,Lundergan WP

更新日期：1995-11-01 00:00:00

abstract：:The purpose of this study was to examine the effect of the smear layer on apical microleakage over 16 wk. One hundred and four extracted human teeth were assigned to four groups treated as follows: group A1--smear layer was left intact and canals were obturated with gutta-percha and Roth 811; group A2--smear layer was...

journal_title：Journal of endodontics

authors： Economides N,Liolios E,Kolokuris I,Beltes P

更新日期：1999-02-01 00:00:00

abstract：:Pulp revascularization is a promising procedure for the treatment of adolescents' immature permanent teeth with necrotic pulp and/or apical periodontitis. However, the ability to successfully perform pulp revascularization in a middle-aged patient remains unclear. A 39-year-old woman was referred for treatment of teet...

journal_title：Journal of endodontics

authors： Wang Y,Zhu X,Zhang C

更新日期：2015-09-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to assess the ex vivo torsional performance of a novel rotary system in small root canals after 2 different glide path preparations. METHODS:Each independent canal of 8 mesial roots of mandibular molars was randomly assigned to achieve a reproducible glide path with a new set...

journal_title：Journal of endodontics

authors： Arias A,de Vasconcelos RA,Hernández A,Peters OA

更新日期：2017-03-01 00:00:00

abstract：:The structure of mechanically instrumented intraradicular dentin after irrigation with NaOCl as the initial rinse and BioPure MTAD as the final rinse were examined from the coronal, middle, and apical parts of root canal walls using transmission electron microscopy. Sterile distilled water and EDTA as final rinses wer...

journal_title：Journal of endodontics

authors： Tay FR,Pashley DH,Loushine RJ,Doyle MD,Gillespie WT,Weller RN,King NM

更新日期：2006-03-01 00:00:00

abstract：INTRODUCTION:Pulp capping materials allow healing of injured pulp with a layer of reparative dentin. Glucose is needed to cure the injured area. Glucose is transported by glucose transporter (Glut) 2 and Glut4, which are transmembrane proteins that act as gatekeepers. We hypothesized that the transport of glucose via G...

journal_title：Journal of endodontics

authors： Tohma A,Ohkura N,Yoshiba K,Takeuchi R,Yoshiba N,Edanami N,Shirakashi M,Ibn Belal RS,Ohshima H,Noiri Y

更新日期：2020-01-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to compare digital periapical and cone-beam computed tomography (CBCT) images to determine the number of canals in the mesiobuccal root of maxillary molars and to compare these counts with micro computed tomography (μCT), which was also used to determine canal configuration. ...

journal_title：Journal of endodontics

authors： Domark JD,Hatton JF,Benison RP,Hildebolt CF

更新日期：2013-07-01 00:00:00

abstract：INTRODUCTION:Candida in endodontic infections has been investigated in a large number of studies, but its role as an endodontic pathogen is still debatable. The aim of this study was to systematically review the literature on the prevalence of Candida species in root canal infections. METHODS:Extensive literature rese...

journal_title：Journal of endodontics

authors： Mergoni G,Percudani D,Lodi G,Bertani P,Manfredi M

更新日期：2018-11-01 00:00:00

abstract：:The aim of this study was to determine the relationship between histologic and radiologic signs of inflammation in human root-filled teeth. In addition, other factors with possible importance for apical inflammation were assessed. Fifty-three block sections of root-filled teeth were gathered from human cadavers. The b...

journal_title：Journal of endodontics

authors： Barthel CR,Zimmer S,Trope M

更新日期：2004-02-01 00:00:00

abstract：INTRODUCTION:Previous studies have suggested that masticatory forces are associated with cracked teeth, but it is not clear which specific poor oral masticatory habits may be more likely to cause cracks. The aim of this study was to quantitatively assess risk factors for cracked teeth among poor oral masticatory habits...

journal_title：Journal of endodontics

authors： Qiao F,Chen M,Hu X,Niu K,Zhang X,Li Y,Wu Z,Shen Z,Wu L

更新日期：2017-06-01 00:00:00

abstract：INTRODUCTION:External apical root resorption (EARR) is a frequent iatrogenic effect of orthodontic treatment. The way root-filled teeth respond to orthodontic forces with respect to EARR has been reported as varying widely between individuals. Genetic variants in the interleukin-1 gene have been associated with an incr...

journal_title：Journal of endodontics

authors： Iglesias-Linares A,Yañez-Vico RM,Ortiz-Ariza E,Ballesta S,Mendoza-Mendoza A,Perea E,Solano-Reina E

更新日期：2012-03-01 00:00:00

abstract：INTRODUCTION:Failure in endodontic treatment is often caused by the persistence of microorganisms in the root canal after therapy. When treatment fails, an immune response develops that is characterized by an extensive network of immunologic mechanisms that lead to the production of cytokines and chemokines. METHODS:T...

journal_title：Journal of endodontics

authors： Henriques LC,de Brito LC,Tavares WL,Vieira LQ,Ribeiro Sobrinho AP

更新日期：2011-12-01 00:00:00

abstract：INTRODUCTION:Calcium hydroxide has been used as a traditional pulpotomy agent for a long time but has some disadvantages. iRoot BP Plus (Innovative Bioceramix Inc, Vancouver, Canada) is a newly developed, ready-to-use calcium silicate-based bioactive ceramic with excellent bioactivity and sealing ability. However, whet...

journal_title：Journal of endodontics

authors： Rao Q,Kuang J,Mao C,Dai J,Hu L,Lei Z,Song G,Yuan G

更新日期：2020-03-01 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 prospective, double-blind, randomized study was to evaluate pain reduction using an intraosseous injection of slow-releasing methylprednisolone in teeth with irreversible pulpitis. Forty subjects presenting for emergency treatment completed the study. Each subject had a tooth with a clinical diagno...

journal_title：Journal of endodontics

authors： Gallatin E,Reader A,Nist R,Beck M

更新日期：2000-11-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to compare the accuracy in vivo of 2 electronic apex locators (EALs), the Raypex 5 and the Mini Apex Locator. METHODS:The working length (WL) was determined electronically for 40 human root canals by using a K-file and 1 of the 2 EALs. The files were fixed at the WL, and the ...

journal_title：Journal of endodontics

authors： Stöber EK,de Ribot J,Mercadé M,Vera J,Bueno R,Roig M,Duran-Sindreu F

更新日期：2011-10-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the push-out bond strengths of different obturating materials. METHODS:Forty single-rooted human extracted teeth were used in this study. The teeth were instrumented and irrigated by using 5.25% NaOCl, 15% ethylenediaminetetraacetic acid, and sterile water. The te...

journal_title：Journal of endodontics

authors： Stiegemeier D,Baumgartner JC,Ferracane J

更新日期：2010-02-01 00:00:00

abstract：:This study sought to evaluate the influence of apical enlargement on the sealing ability of vertical compaction. Sixty anterior teeth were used. Half of these teeth were prepared to a size 25 file and the other half to a size 40 file. Then vertical compaction was performed. Apical microleakage was determined using pre...

journal_title：Journal of endodontics

authors： Yared GM,Bou Dagher FE

更新日期：1994-07-01 00:00:00

abstract：:In this study, the effects of heparin on dentinal resorption was investigated in rats. Animals were injected with 2 x 2 IU/g Na-Heparin subcutaneously for 33 days. Histopathological examination of the anterior teeth revealed capillary proliferation, congestion, and fibrosis in the pulp in addition to resorptive lacuna...

journal_title：Journal of endodontics

authors： Kuraner T,Ozçelik B,Serper A,Mocan G,Mümin E,Eryilmaz M

更新日期：1999-10-01 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：: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：:It has been shown that rotary nickel-titanium files cannot be used indefinitely. Researchers and clinicians have not been able to agree on how many times a file can be used before being discarded, except if a file has fractured or become visibly distorted. This study used ISO size 20 files of 0.04 taper in the curved ...

journal_title：Journal of endodontics

authors： Svec TA,Powers JM

更新日期：2002-02-01 00:00:00

abstract：INTRODUCTION:The lysyl oxidase (LOX) family is an emerging family of amine oxidases responsible for the formation of collagen fibrils in the extracellular matrix. To date, 5 LOX family genes have been identified in humans, encoding LOX and LOX-like proteins (LOXL, LOXL2, LOXL3, and LOXL4). The goal of this study was to...

journal_title：Journal of endodontics

authors： Kim EC,Lee HJ,Kim Y

更新日期：2012-06-01 00:00:00

abstract：:A lack of agreement exists in the literature regarding the anatomical relationship of the mandibular canal to its surrounding structures such as the root apices. The purpose of this investigation was to study the spatial relationship of the mandibular canal to the posterior teeth in dried human mandibles. Twenty-two m...

journal_title：Journal of endodontics

authors： Denio D,Torabinejad M,Bakland LK

更新日期：1992-04-01 00:00:00