Cytotoxicity against various cell lines of lipopolysaccharides purified from Bacteroides, Fusobacterium, and Veillonella isolated from infected root canals.

abstract：:The present survey was conducted to obtain answers to some basic questions regarding the use of intracanal medications, root canal filling methods, and the intracanal breakage of instruments. A letter was sent to 300 endodontists listed in the 1995-1996 membership roster of the American Association of Endodontists. Ei...

journal_title：Journal of endodontics

authors： Itoh A,Higuchi N,Minami G,Yasue T,Yoshida T,Maseki T,Nakamura H

更新日期：1999-12-01 00:00:00

abstract：INTRODUCTION:The presence of cracks and fractures in teeth can pose difficulties in diagnosis, prognosis assessment, and treatment recommendations. When a tooth has no significant restorations or caries, whereby the pulp is nonvital in the absence of a luxation injury, it is suggested that this necrosis is likely cause...

journal_title：Journal of endodontics

authors： Berman LH,Kuttler S

更新日期：2010-03-01 00:00:00

abstract：INTRODUCTION:The improvement of regenerative endodontic procedures requires an understanding of the key clinical questions combined with a fundamental biological knowledge of how the dental tissues behave during health, disease, and repair. Therefore, partnerships between clinicians and basic scientists are essential t...

journal_title：Journal of endodontics

authors： Duncan HF,Cooper PR

更新日期：2020-09-01 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：:One hundred single-rooted teeth were instrumented with Lightspeed, Profile .04 Taper Series 29, and NT McXIM instruments according to the recommendations of the manufacturers, and Flex-R files using the balanced force technique. Groups were comparable with respect to average curvature, canal length, and major and mino...

journal_title：Journal of endodontics

authors： Hinrichs RE,Walker WA 3rd,Schindler WG

更新日期：1998-02-01 00:00:00

abstract：:The aim of this study was to investigate the cytotoxic and nitric oxide (NO)-inducing effects of bismuth oxide (Bi(2)O(3))-containing Portland cement (BPC) on human dental pulp cells. We also assessed whether heme oxygenase-1 (HO-1) is involved in BPC-induced cytotoxicity in dental pulp cells. Cytotoxicity and NO prod...

journal_title：Journal of endodontics

authors： Min KS,Chang HS,Bae JM,Park SH,Hong CU,Kim EC

更新日期：2007-11-01 00:00:00

abstract：:Infection control guidelines recommend disinfection of extracted teeth in 10% formalin for 2 weeks before use. Although extracted teeth are routinely used for in vitro endodontic research, the potential influence of formalin has not been evaluated. The purpose of this study was to investigate the effect of formalin st...

journal_title：Journal of endodontics

authors： George SW,Pichardo MR,Bergeron BE,Jeansonne BG

更新日期：2006-09-01 00:00:00

abstract：:The purpose of this study was to evaluate the dental anxiety expressed among patients undergoing endodontic treatment with respect to some social and dental parameters. The dental records of 98 patients, 42 men and 56 women who were referred for root canal treatment to an endodontist, were examined. Patients completed...

journal_title：Journal of endodontics

authors： Peretz B,Moshonov J

更新日期：1998-06-01 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：:Understanding the chemical and physical characteristics of set mineral trioxide aggregate (MTA) surface can provide insight into its bioactivity. The purpose of this study was to describe the surface chemistry and morphology of gray and white MTA set in the presence of fetal bovine serum (FBS). Eight MTA blocks were p...

journal_title：Journal of endodontics

authors： Tingey MC,Bush P,Levine MS

更新日期：2008-01-01 00:00:00

abstract：:This randomized, double-blind trial tested the null hypothesis that speed of deposition has no influence on the injection discomfort, efficacy, distribution, and duration of pulp anesthesia after incisive/mental nerve block in adult volunteers. Thirty-eight subjects received incisive/mental nerve blocks of 2.0 mL lido...

journal_title：Journal of endodontics

authors： Whitworth JM,Kanaa MD,Corbett IP,Meechan JG

更新日期：2007-10-01 00:00:00

abstract：INTRODUCTION:Several bioactive bioceramics with osteoconductive effects can inhibit osteoclast formation and bone resorption in vitro, but the exact underlying mechanism has not been fully elucidated. Bioaggregate (BA), a novel calcium silicate nanoparticulate bioceramic, significantly induces bone and periodontal rege...

journal_title：Journal of endodontics

authors： Tian J,Qi W,Zhang Y,Glogauer M,Wang Y,Lai Z,Jiang H

更新日期：2015-09-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to determine the variations in root canal length (RCL) occurring during endodontic treatment stages (initial, preflared, and concluded) and correlate them with the accuracy of Root ZX II (RZX). METHODS:After coronal access, 26 mandibular molars had the apical foramen of the 52 me...

journal_title：Journal of endodontics

authors： Vasconcelos BC,Bastos LM,Oliveira AS,Bernardes RA,Duarte MA,Vivacqua-Gomes N,Vivan RR

更新日期：2016-11-01 00:00:00

abstract：:The purpose of this study was to evaluate the bleaching effect of sodium percarbonate on artificially stained pulpless teeth. Twenty extracted human mandibular premolars were stained by immersing them in human blood mixed with iron sulfide, and divided into three test groups and one control group. The following bleach...

journal_title：Journal of endodontics

authors： Kaneko J,Inoue S,Kawakami S,Sano H

更新日期：2000-01-01 00:00:00

abstract：INTRODUCTION:Root canal therapy is a highly successful in-office treatment and preventive measure against periapical abscesses. Left untreated, periapical abscesses can have serious consequences that can lead to hospitalization. This study observes the trends of hospitalizations attributed to periapical abscesses. MET...

journal_title：Journal of endodontics

authors： Shah AC,Leong KK,Lee MK,Allareddy V

更新日期：2013-09-01 00:00:00

abstract：:This study evaluated the degree of conversion of one dual-cured resin cement when used to lute fiber posts with different translucencies. To measure the degree of conversion, polyvinylsiloxane molds were prepared to simulate root canals. The posts, Aestheti-Post or Light-Post, were cemented in these molds and, after p...

journal_title：Journal of endodontics

authors： Faria e Silva AL,Arias VG,Soares LE,Martin AA,Martins LR

更新日期：2007-03-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to compare the cell viability of dental pulp cells treated with Biodentine (Septodont, Saint-Maur, France) and mineral trioxide aggregate (MTA) and the in vitro and in vivo expression of mineralization markers induced by the 2 materials. METHODS:Human dental pulp cells isolat...

journal_title：Journal of endodontics

authors： Daltoé MO,Paula-Silva FW,Faccioli LH,Gatón-Hernández PM,De Rossi A,Bezerra Silva LA

更新日期：2016-04-01 00:00:00

abstract：INTRODUCTION:This study quantitatively evaluated the type and amount of image artifacts generated by different intracanal materials in birooted teeth scanned at different exposure parameters. METHODS:The sample consisted of 15 birooted premolars. Seven different intracanal material combinations were used in each tooth...

journal_title：Journal of endodontics

authors： Diniz de Lima E,Lira de Farias Freitas AP,Mariz Suassuna FC,Sousa Melo SL,Bento PM,Pita de Melo D

更新日期：2019-02-01 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:During the dental pulp repair process, human dental pulp cells (HDPCs) migrate to injury sites where they may differentiate into odontoblastlike cells. WNT6 plays a role in dental development and can activate a noncanonical pathway including the c-Jun N-terminal kinase (JNK) pathway. The mechanism of WNT6 ...

journal_title：Journal of endodontics

authors： Li R,Wang C,Tong J,Su Y,Lin Y,Zhou X,Ye L

更新日期：2014-07-01 00:00:00

abstract：:Endodontic microsurgery has reduced the degree of treatment trauma compared with traditional apical surgery and further increased the success rate of natural teeth retention. However, when root apices of the mandibular posterior teeth are far from the buccal cortical bone surface or near to the inferior alveolar nerve...

journal_title：Journal of endodontics

authors： Bi C,Zhou M,Han X,Zhang Y,Zheng P

更新日期：2020-08-11 00:00:00

abstract：INTRODUCTION:This retrospective study aimed to analyze the effect of repairing endodontic access cavities with composite on the survival of single crowns and retainer restorations of fixed or removable dental prostheses. METHODS:Dental records of patients attending a university dental clinic were retrospectively scree...

journal_title：Journal of endodontics

authors： Wiegand A,Kanzow P

更新日期：2020-03-01 00:00:00

abstract：:Inflammatory myofibroblastic tumors (IMTs) are rare. IMTs of the head and neck occur in all age groups, from neonates to old age, with the highest incidence occurring in childhood and early adulthood. An IMT has been defined as a histologically distinctive lesion of uncertain behavior. This article describes an unusua...

journal_title：Journal of endodontics

authors： Adachi M,Kiho K,Sekine G,Ohta T,Matsubara M,Yoshida T,Katsumata A,Tanuma J,Sumitomo S

更新日期：2015-12-01 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：:A case is presented in which a previous partial root canal treatment on a mandibular molar developed internal resorption of the distal canal. The case was followed at the University of Oklahoma student clinic and endodontic treatment completed in the mesial canals, with calcium hydroxide placed in the distal canal for...

journal_title：Journal of endodontics

authors： Benenati FW

更新日期：2001-07-01 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:The objectives of this review were to assess the methodological quality of published meta-analyses related to endodontics using the assessment of multiple systematic reviews (AMSTAR) tool and to provide a follow-up to previously published reviews. METHODS:Three electronic databases were searched for eligi...

journal_title：Journal of endodontics

authors： Kattan S,Lee SM,Kohli MR,Setzer FC,Karabucak B

更新日期：2018-01-01 00:00:00

abstract：:EDTA-T and 10% citric acid used as root canal irrigants lead to more visible dentinal tubules than 5% sodium hypochlorite associated with 3% hydrogen peroxide. However, these cleansing agents must be compatible with apical periodontal tissue. We analyzed the cytotoxicity of 10% citric acid and EDTA-T in cultured fibro...

journal_title：Journal of endodontics

authors： Sceiza MF,Daniel RL,Santos EM,Jaeger MM

更新日期：2001-12-01 00:00:00

abstract：:The purpose of this study was to evaluate the integrity of resected root-end surfaces of extracted human teeth after using ultrasonic tips at low or high frequencies for root-end preparation. Thirty bilaterally matched pairs of single-rooted human teeth had root-end resections using a low-speed diamond saw and were ex...

journal_title：Journal of endodontics

authors： Layton CA,Marshall JG,Morgan LA,Baumgartner JC

更新日期：1996-04-01 00:00:00

abstract：INTRODUCTION:Passive ultrasonic irrigation (PUI) is the most widespread method used to activate irrigation solutions. Concerns have been raised that PUI is less effective in curved root canals and is not passive at all. Our aim was to compare a novel passive sonic irrigation (PSI) device (6000 Hz) with PUI and manual i...

journal_title：Journal of endodontics

authors： Neuhaus KW,Liebi M,Stauffacher S,Eick S,Lussi A

更新日期：2016-12-01 00:00:00