Computerized analysis of the instrumentation of the root canal system.

abstract：INTRODUCTION:Previously, we have shown that stem cells from apical papilla (SCAPs) can be chemoattracted by stromal cell-derived factor-1α (SDF-1α). The purpose of this study was to investigate the intracellular signaling pathways involved in SDF-1α-mediated migration of SCAPs. METHODS:Chemotaxis assays were performed...

journal_title：Journal of endodontics

authors： Chen X,Liu JY,Yue L,Huang GT,Zou XY

更新日期：2016-07-01 00:00:00

abstract：:This study attempts to evaluate the oral manifestations of and the limited available dental pulp information on diabetes mellitus, a common metabolic disorder of carbohydrate and lipid metabolism affecting over 16 million Americans. Diabetics are particularly prone to bacterial or opportunistic infections. This vulner...

journal_title：Journal of endodontics

authors： Bender IB,Bender AB

更新日期：2003-06-01 00:00:00

abstract：:Silicone tubes filled with CRCS, a calcium hydroxide-based cement, were implanted at two different localizations in the right tibias of white male Wistar rats. A similar number of solid silicone rods were implanted in the left tibias of the same animals and were used as inert controls. Fifteen days after implantation ...

journal_title：Journal of endodontics

authors： Guglielmotti MB,Zmener O,Cabrini RL

更新日期：1989-01-01 00:00:00

abstract：:The putative hazardous nature of chloroform and xylene implies that safer substitutes should be considered. Standard cylindrical gutta-percha samples were immersed in Hemo-De, a xylene substitute, for 60 s at 37 degrees C. Weight loss of a sample, after drying, was used as a measure of its solubility. Master and acces...

journal_title：Journal of endodontics

authors： Metzger Z,Marian-Kfir V,Tamse A

更新日期：2000-07-01 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：INTRODUCTION:The aim was to assess the association of inducible costimulator (ICOS) and ICOS ligand with bone destruction in apical periodontitis (AP). METHODS:Specimens from patients presenting with AP were obtained during apicoectomy and subjected to histopathologic analysis and molecular assessment of ICOS/ICOS lig...

journal_title：Journal of endodontics

authors： Tao YW,Xing Q,Li D,Quan J,Gao Y,Hu X,Zhang X

更新日期：2019-07-01 00:00:00

abstract：:The mechanisms of odontogenic pain are complex and incompletely understood. Cases of irreversible pulpitis are thought to represent a localized inflammatory response to bacterial challenge in dental pulp tissue. The presenting symptoms are classically defined by exaggerated painful episodes to thermal stimuli that may...

journal_title：Journal of endodontics

authors： Owatz CB,Khan AA,Schindler WG,Schwartz SA,Keiser K,Hargreaves KM

更新日期：2007-05-01 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：INTRODUCTION:The retrieval of fractured instruments from root canals has been largely reported in the literature. However, a less complex retrieval method that causes minimum damage to the dental structures is needed. The aim of this article is to introduce a new concept of retrieval of fractured instruments from root ...

journal_title：Journal of endodontics

authors： Ormiga F,da Cunha Ponciano Gomes JA,de Araújo MC

更新日期：2010-04-01 00:00:00

abstract：INTRODUCTION:Apical surgery is frequently indicated in maxillary first molars. Occasionally, a vascular anastomosis in the lateral maxillary sinus wall can be observed during surgery. The aim of this study was to examine the distance between the vascular bone channel (VBC) and the root apices of maxillary first molars ...

journal_title：Journal of endodontics

authors： Bischof FM,Bornstein MM,Suter VGA,Lello RIE,von Arx T

更新日期：2019-12-01 00:00:00

abstract：INTRODUCTION:The aim of the present study was to investigate the impact of ambient temperature on the life span of nickel-titanium (NiTi) files. METHODS:Cyclic fatigue testing of NiTi instruments was performed in a stainless steel artificial canal. During the experiment, 4 different temperatures (0°C, 20°C, 35°C, and ...

journal_title：Journal of endodontics

authors： Plotino G,Grande NM,Testarelli L,Gambarini G,Castagnola R,Rossetti A,Özyürek T,Cordaro M,Fortunato L

更新日期：2018-10-01 00:00:00

abstract：:Root resorption after replantation of mature permanent dog incisors was examined by scanning electron microscopy. Three groups consisting of three extracted teeth each were kept in a saline solution for 5, 30, and 120 min before replantation. The first group was replanted with the pulp intact. The second and third gro...

journal_title：Journal of endodontics

authors： Günday M,Sazak H,Türkmen C

更新日期：1995-05-01 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：:A previous study showed that the ferret canine is an appropriate model for inducing periapical lesions. Ferret canines were used in this study to study changes in periapical lesions after root canal treatment (RCT). After periapical pathosis was induced in the maxillary and mandibular canines of six ferrets, RCT was p...

journal_title：Journal of endodontics

authors： Fouad AF,Walton RE,Rittman BR

更新日期：1993-03-01 00:00:00

abstract：:Occurrence of apical transportation (AT) may complicate the root filling procedure and result in a compromised seal. In part I of this study, human mandibular premolars with single, curved (21 to 39 degrees), or straight canals were prepared by Lightspeed or a step-back hand filing technique. An AT index was determine...

journal_title：Journal of endodontics

authors： Wu MK,Fan B,Wesselink PR

更新日期：2000-04-01 00:00:00

abstract：:Primary intraosseous salivary gland tumors are rare, with mucopidermoid carcinoma being the most frequent histotype. The authors present a case of adenoid cystic carcinoma, located in the mandibular incisor region, associated with pain. Endodontic treatment resulted in increased pain and progressive mandibular expansi...

journal_title：Journal of endodontics

authors： Favia G,Maiorano E,Orsini G,Piattelli A

更新日期：2000-12-01 00:00:00

abstract：:The purpose of this study was to compare ultrasonic and high-speed-bur root-end preparations. Seventy-six roots from 29 bilaterally matched pairs of human teeth in cadavers were used in this study. In group 1 ultrasonic preparations were made in 38 roots and filled with amalgam. In group 2 high-speed bur preparations ...

journal_title：Journal of endodontics

authors： Mehlhaff DS,Marshall JG,Baumgartner JC

更新日期：1997-07-01 00:00:00

abstract：:This study is a quantitative assessment of the luminous energy transmitted through different translucent fiber posts. After embedding the posts in black resin, the blocks were submitted to sequential cuts in a precision machine, and depths of 16 mm, 12 mm, 8 mm, and 4 mm were assessed for light transmission with a dig...

journal_title：Journal of endodontics

authors： dos Santos Alves Morgan LF,Peixoto RT,de Castro Albuquerque R,Santos Corrêa MF,de Abreu Poletto LT,Pinotti MB

更新日期：2008-03-01 00:00:00

abstract：INTRODUCTION:Mineral trioxide aggregate (MTA) satisfies most of the ideal properties of a surgical root-end filling and perforation repair material. It has been found to be nontoxic, noncarcinogenic, nongenotoxic, biocompatible, insoluble in tissue fluids, and dimensionally stable and promotes cementogenesis. The major...

journal_title：Journal of endodontics

authors： Appelbaum KS,Stewart JT,Hartwell GR

更新日期：2012-07-01 00:00:00

abstract：INTRODUCTION:Vertical root fractures (VRFs) are among the most frequent causes of tooth loss, mainly of endodontically treated teeth. However, very few data is available about the occurrence of VRFs following apical surgery. METHODS:Patient charts from 864 patients with 1058 teeth treated with apical surgery (Septembe...

journal_title：Journal of endodontics

authors： von Arx T,Maldonado P,Bornstein MM

更新日期：2021-02-01 00:00:00

abstract：INTRODUCTION:This randomized clinical trial assessed the effect of preoperative intraoral cryotherapy application on the success rate of inferior alveolar nerve blocks (IANBs) in patients with symptomatic irreversible pulpitis (SIP). METHODS:One hundred four patients with SIP were randomly distributed into 2 groups: c...

journal_title：Journal of endodontics

authors： Topçuoğlu HS,Arslan H,Topçuoğlu G,Demirbuga S

更新日期：2019-08-01 00:00:00

abstract：INTRODUCTION:Alkaline-tolerant bacteria in primary infected root canals could have enhanced survival capacity against antimicrobials commonly used in root canal treatment. The aims of this study were to isolate and characterize alkaline-tolerant bacteria before endodontic treatment (S1), after chemomechanical root cana...

journal_title：Journal of endodontics

authors： Lew HP,Quah SY,Lui JN,Bergenholtz G,Hoon Yu VS,Tan KS

更新日期：2015-04-01 00:00:00

abstract：:The aim of this study was to investigate the correlation between endodontic clinical signs and symptoms and the presence of Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia or their association by nested polymerase chain reaction assay. Microbial samples were taken from 50 cases with necrotic pu...

journal_title：Journal of endodontics

authors： Gomes BP,Montagner F,Jacinto RC,Zaia AA,Ferraz CC,Souza-Filho FJ

更新日期：2007-09-01 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

abstract：:The purpose of this study was to compare the reinforcement and strengthening ability of Resilon, gutta-percha, and a self-curing composite resin (Bisfil 2B) in endodontically treated roots of immature teeth. Sixty single rooted teeth were divided into five groups of 12 teeth each. Teeth in all groups except the negati...

journal_title：Journal of endodontics

authors： Stuart CH,Schwartz SA,Beeson TJ

更新日期：2006-04-01 00:00:00

abstract：:This study investigated the sealing properties of cold laterally compacted gutta percha and Thermafil applied over different apically fractured rotary nickel-titanium files. Extracted human premolars were prepared by using ProTaper (Dentsply-Maillefer, Ballaigues, Switzerland) or ProFile (Dentsply-Maillefer) systems (...

journal_title：Journal of endodontics

authors： Altundasar E,Sahin C,Ozcelik B,Cehreli ZC

更新日期：2008-02-01 00:00:00

abstract：:The mesiobuccal roots of 50 randomly selected maxillary first molars were examined to assess the incidence and position of the canal isthmus. Transverse serial sections of the apical 6 mm of each root were prepared in 1-mm increments. The apical side of each section was stained with methylene blue dye, viewed with a s...

journal_title：Journal of endodontics

authors： Weller RN,Niemczyk SP,Kim S

更新日期：1995-07-01 00:00:00

abstract：INTRODUCTION:An accurate differential diagnosis of apical periodontitis (AP) and nasopalatine duct cyst (NPDC) should be established to define the best treatment for endodontically treated maxillary anterior teeth with apical periodontitis. Three-dimensional cone beam computed tomography (CBCT) images help to plan trea...

journal_title：Journal of endodontics

authors： Faitaroni LA,Bueno MR,Carvalhosa AA,Mendonça EF,Estrela C

更新日期：2011-03-01 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:This ex vivo study compared the disinfection and shaping abilities of 2 preparation protocols in C-shaped canals. METHODS:Mandibular second molars with type I C-shaped canals were pair matched based on micro-computed tomographic (micro-CT) analysis and distributed into 2 groups. The canals were contaminat...

journal_title：Journal of endodontics

authors： Gazzaneo I,Amoroso-Silva P,Pacheco-Yanes J,Alves FRF,Marceliano-Alves M,Olivares P,Meto A,Mdala I,Siqueira JF Jr,Rôças IN

更新日期：2020-11-18 00:00:00