Porphyromonas (Bacteroides) endodontalis: its role in endodontal infections.

abstract：INTRODUCTION:The purpose of this study was to examine the effect of mineral trioxide aggregate (MTA) on pluripotent-mesenchymal cell differentiation. METHODS:The pluripotent-mesenchymal cell line C2C12 was cultured in a 5% serum medium to induce cell differentiation with or without MTA. The differentiation to myoblast...

journal_title：Journal of endodontics

authors： Matsumoto S,Hayashi M,Suzuki Y,Suzuki N,Maeno M,Ogiso B

更新日期：2013-01-01 00:00:00

abstract：:The purpose of the present study was to investigate the effect of laser irradiation on calcified nodule formation in human dental pulp (HDP) cells. HDP cells were irradiated once with a Ga-Al-As laser for 5 and 10 min, and calcified nodule formation was determined by von Kossa staining. The laser irradiation increased...

journal_title：Journal of endodontics

authors： Ohbayashi E,Matsushima K,Hosoya S,Abiko Y,Yamazaki M

更新日期：1999-01-01 00:00:00

abstract：:With all the potential for endodontic success, the fact remains clinicians are confronted with posttreatment endodontic disease. When the elected treatment plan is endodontic nonsurgical retreatment, then the goal is to access the pulp chamber and remove materials from the root canal space and if present, address defi...

journal_title：Journal of endodontics

authors： Ruddle CJ

更新日期：2004-12-01 00:00:00

abstract：INTRODUCTION:Pure gutta-percha (trans-1, 4-polyisoprene [TPI]) has been used extensively as a main component of gutta-percha for root canal filling. TPI has the interesting shape memory property by cross-linking, and this polymer was commercialized under the product name of SMP-2 (Kuraray Corp, Kashima, Japan). Therefo...

journal_title：Journal of endodontics

authors： Tsukada G,Tokuda M,Torii M

更新日期：2014-10-01 00:00:00

abstract：INTRODUCTION:The exact mechanisms of periapical bone resorption have not been fully elucidated. This study aimed to analyze the expression of Notch signaling molecules (Notch2, Jagged1, and Hey1) and proinflammatory cytokines (tumor necrosis factor alpha [TNF-α], interleukin [IL]-1β, and IL-6) in human apical periodont...

journal_title：Journal of endodontics

authors： Nikolic N,Jakovljevic A,Carkic J,Beljic-Ivanovic K,Miletic M,Soldatovic I,Andric M,Ivanovic V,Milasin J

更新日期：2019-02-01 00:00:00

abstract：INTRODUCTION:Speed of injection may affect the solution spread in the pterygomandibular space. It was hypothesized that speed of injection will affect the anesthetic efficacy of inferior alveolar nerve block (IANB) in patients with symptomatic irreversible pulpitis. METHODS:Fifty-nine adult volunteers who were activel...

journal_title：Journal of endodontics

authors： Aggarwal V,Singla M,Miglani S,Kohli S,Irfan M

更新日期：2012-12-01 00:00:00

abstract：INTRODUCTION:Concentrated growth factor (CGF) is considered to be a natural biomaterial that is better than platelet-rich fibrin (PRF) in bone regeneration, but there is little information acquired in regenerative endodontics. Therefore, the purpose of this study was to evaluate their effects on the proliferation, migr...

journal_title：Journal of endodontics

authors： Hong S,Chen W,Jiang B

更新日期：2018-06-01 00:00:00

abstract：:Fusion and gemination are developmental anomalies of the dental hard tissues that might require endodontic and surgical treatment for functional, orthodontic, or esthetic reasons. In this article, we report a rare case of successful endodontic management of unilateral fused mandibular second molar with a paramolar. Th...

journal_title：Journal of endodontics

authors： Ballal S,Sachdeva GS,Kandaswamy D

更新日期：2007-10-01 00:00:00

abstract：INTRODUCTION:Periodontal mechanoreceptors (PMRs) are refined neural receptors present in abundance at the root apex and have a pivotal role in oral fine motor control. This case-control study aimed to evaluate the oral fine motor control of teeth treated with endodontic microsurgery (EMS) in comparison with the control...

journal_title：Journal of endodontics

authors： Al-Manei K,Almotairy N,Al-Manei KK,Kumar A,Grigoriadis A

更新日期：2021-02-01 00:00:00

abstract：:Periapical lesions usually are caused by root canal infection; nevertheless, other pathologies may eventually involve the tooth apex, making the correct diagnosis more difficult. Glandular odontogenic cysts (GOCs) are uncommon and, despite their cystic nature, may present an aggressive behavior and a high recurrence r...

journal_title：Journal of endodontics

authors： de Freitas Silva BS,Yamamoto-Silva FP,Sena-Filho M,Silva Sant'Ana SS,Mariano-Júnior WJ,de Almeida OP,Estrela C

更新日期：2017-11-01 00:00:00

abstract：INTRODUCTION:The primary aim was to explore the criteria used in characterization of reparative cells and mineralized matrices formed after treatment of pulp exposures, and the sequence of relative events. The secondary aim was to evaluate whether the reparative events depend on the experimental model species, age, and...

journal_title：Journal of endodontics

authors： Tziafas D

更新日期：2019-03-01 00:00:00

abstract：:This study compared the apical seal produced by four obturation techniques. Sixty-four extracted human teeth were prepared and obturated using lateral condensation of gutta-percha that was either unmodified or was dipped in chloroform, eucalyptol, or eucapercha paste. After storage in normal saline and 0.02% azide sol...

journal_title：Journal of endodontics

authors： Haas SB,Campbell AD,Hicks ML,Pelleu GB Jr

更新日期：1989-12-01 00:00:00

abstract：:Thirteen teeth in human cadaver sections were accessed and #15 K-files were placed at various lengths in one root canal of each tooth. Using a positioner to ensure duplicate views, radiographs were taken with both Ultraspeed and Ektaspeed Plus X-ray film. Each of the 26 radiographs was coded and then placed in random ...

journal_title：Journal of endodontics

authors： Brown R,Hadley JN,Chambers DW

更新日期：1998-01-01 00:00:00

abstract：INTRODUCTION:Dental pulp has limited capability to regenerate, which happens in the early stage of pulpitis. An ambiguous relationship exists; inflammation may impair or support pulp regeneration. Epigenetics, which is involved in cell proliferation and inflammation, could regulate human dental pulp cell (HDPCs) regene...

journal_title：Journal of endodontics

authors： Hui T,A P,Zhao Y,Wang C,Gao B,Zhang P,Wang J,Zhou X,Ye L

更新日期：2014-08-01 00:00:00

abstract：INTRODUCTION:The radicular groove is clinically significant due to its relevance to onset of inflammatory processes in the periodontal tissues. This study examined anatomic features of radicular grooves by using micro-computed tomography (micro-CT) scans. METHODS:Eleven extracted permanent maxillary lateral incisors w...

journal_title：Journal of endodontics

authors： Gu YC

更新日期：2011-06-01 00:00:00

abstract：INTRODUCTION:The aim of the present study was to investigate the influence of root-end preparation and filling material on endodontic surgery outcome. A systematic review and meta-analysis was conducted to determine the outcome of resin-based endodontic surgery (RES, the use of high-magnification preparation of a shall...

journal_title：Journal of endodontics

authors： Kohli MR,Berenji H,Setzer FC,Lee SM,Karabucak B

更新日期：2018-06-01 00:00:00

abstract：INTRODUCTION:Revascularization is a valuable treatment in immature necrotic teeth that allows the continuation of root development. In this article we describe successful revascularization treatment of 2 necrotic immature first mandibular molars. METHODS:The clinical and radiographic examinations showed extensive coro...

journal_title：Journal of endodontics

authors： Nosrat A,Seifi A,Asgary S

更新日期：2011-04-01 00:00:00

abstract：:Previous dye leakage studies have shown that mineral trioxide aggregate leaks significantly less than other commonly used root-end filling materials. This study determined the time needed for Staphylococcus epidermidis to penetrate a 3-mm thickness of amalgam, Super-EBA, Intermediate Restorative Material (IRM), or min...

journal_title：Journal of endodontics

authors： Torabinejad M,Rastegar AF,Kettering JD,Pitt Ford TR

更新日期：1995-03-01 00:00:00

abstract：:The 4- to 6-yr outcome of initial (first-time) endodontic treatment was assessed for Phase II of the "Toronto Study." In total, 442 teeth were treated by using flared preparation and vertical compaction of warm gutta-percha or step-back preparation and lateral compaction. With 126 teeth excluded (discontinuers: deceas...

journal_title：Journal of endodontics

authors： Farzaneh M,Abitbol S,Lawrence HP,Friedman S,Toronto Study.

更新日期：2004-05-01 00:00:00

abstract：:Enterococcus faecalis has been suggested to be an important etiological agent in endodontic failures. The purpose of this study was to evaluate the effectiveness of chlorhexidine- or antibiotics-based medications in eliminating E. faecalis biofilms. One-day and three-day biofilms of E. faecalis were induced on cellulo...

journal_title：Journal of endodontics

authors： Lima KC,Fava LR,Siqueira JF Jr

更新日期：2001-10-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to perform a descriptive analysis of the occurrence of external cervical resorption (ECR) in relation to the patients' characteristics (sex, age, and tooth type) and the potentially involved predisposing factors. METHODS:This study includes data on 284 patients (337 teeth with ev...

journal_title：Journal of endodontics

authors： Mavridou AM,Bergmans L,Barendregt D,Lambrechts P

更新日期：2017-10-01 00:00:00

abstract：:Analyses with the scanning electron microscope and the X-ray microprobe were performed on 13 silver cones removed from 12 patients. The cones showed changes that ranged from surface dulling to black corrosion and pitting. Sulfur and chlorine were detected at the apical end of the cones and in the biopsy specimens of p...

journal_title：Journal of endodontics

authors： Brady JM,del Rio CE

更新日期：1975-06-01 00:00:00

abstract：:This in vitro study was carried out to determine (1) the hydrophobicity of selected oral bacteria, (2) the influence of growth media (saliva and serum) and mode of growth (planktonic or biofilm) on the hydrophobicity of Enterococcus faecalis, and (3) the influence of growth media and conditioning fluids on the adheren...

journal_title：Journal of endodontics

authors： George S,Kishen A

更新日期：2007-12-01 00:00:00

abstract：INTRODUCTION:Platelet-rich plasma (PRP) has been widely used in regenerative dentistry for over 2 decades. Nevertheless, previous studies have shown that its growth factor content is released over a short time period, and the application of anticoagulants limits its regenerative potential. Therefore, a second-generatio...

journal_title：Journal of endodontics

authors： Chai J,Jin R,Yuan G,Kanter V,Miron RJ,Zhang Y

更新日期：2019-08-01 00:00:00

abstract：:Little is known about the effect of aging on characteristic functions of pulp cells. When damaged pulp is recovered and mineralized tissue is formed to protect remaining pulp tissue, the general responses of pulp tissue after adequate stimuli (pulp cell proliferation and activation of alkaline phosphatase [ALPase]) ar...

journal_title：Journal of endodontics

authors： Shiba H,Nakanishi K,Rashid F,Mizuno N,Hino T,Ogawa T,Kurihara H

更新日期：2003-01-01 00:00:00

abstract：:This study compared apical transportation produced in curved (45- to 60-degree) molar canals instrumented with two MM-3000 Sonic Air test files (Rispi-Sonic and Trio-Sonic) with apical transportation from instrumentation with conventional K-type files. Seventy-five extracted human permanent mandibular molars were equa...

journal_title：Journal of endodontics

authors： Ehrlich AD,Boyer TJ,Hicks ML,Pelleu GB Jr

更新日期：1989-05-01 00:00:00

abstract：:The purpose of this in vitro study was to compare the extrusion of thermoplacticized gutta-percha in teeth instrumented with Profile 0.06 or Profile GT, and obturated with Thermafil Plus and Thermafil GT, respectively. A total of 120, extracted, human maxillary central incisors were divided into four equal groups. Gro...

journal_title：Journal of endodontics

authors： Robinson MJ,McDonald NJ,Mullally PJ

更新日期：2004-06-01 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 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：: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