Comparison of apical leakage in teeth obturated with a polyamide varnish or zinc oxide and eugenol cement using lateral condensation.

abstract：INTRODUCTION:We evaluated the effect of various antimicrobials used in endodontic regeneration on a 3-week-old Enterococcus faecalis biofilm. METHODS:E. faecalis biofilm was grown on standardized dentin samples for 3 weeks. Infected dentin samples were randomized into 8 experimental groups (n = 8) and treated with cal...

journal_title：Journal of endodontics

authors： Tagelsir A,Yassen GH,Gomez GF,Gregory RL

更新日期：2016-02-01 00:00:00

abstract：:Microbial control--fundamental to healing of apical periodontitis--is central to endodontic practice. The effectiveness of antibacterial measures is generally monitored (in clinical research studies) by microbiological root canal sampling (MRS), which is often used as a predictor for healing. This article addresses th...

journal_title：Journal of endodontics

authors： Sathorn C,Parashos P,Messer HH

更新日期：2007-03-01 00:00:00

abstract：:In the human dental pulp of five healthy premolars, we detected the presence of vesicles in the cytoplasm of macrophage-like cells. There were, in general, two types of vesicles, with regard to their size and content. The first was of smaller size (35 to 55 nm), and they were electron optically empty. The second type ...

journal_title：Journal of endodontics

authors： Manthos A,Lyroudia K,Economou L

更新日期：1998-03-01 00:00:00

abstract：INTRODUCTION:The treatment of immature necrotic permanent teeth presents several clinical challenges in endodontics. Regenerative endodontic procedures (REPs) permit root development, increased canal wall thickness, and apical closure. This longitudinal cohort study aimed to evaluate the long-term clinical and radiogra...

journal_title：Journal of endodontics

authors： Chan EK,Desmeules M,Cielecki M,Dabbagh B,Ferraz Dos Santos B

更新日期：2017-03-01 00:00:00

abstract：:To date there has been very little data on the cytotoxic response of different cell lines to root canal sealers. The objective of this study was to determine the cytocompatibility of three different extracts of root canal sealers and to compare the cytotoxic response of these materials on two different primary human o...

journal_title：Journal of endodontics

authors： Tai KW,Huang FM,Chang YC

更新日期：2001-09-01 00:00:00

abstract：INTRODUCTION:Various factors may influence intracanal calcification in teeth treated with regenerative endodontic procedures. Bioactive materials, including ProRoot MTA (MTA; Dentsply Tulsa Dental Specialties, Memphis, TN) and Biodentine (BD; Septodont, Saint-Maur-des-Fossés, France), have been widely used as a coronal...

journal_title：Journal of endodontics

authors： Wattanapakkavong K,Srisuwan T

更新日期：2019-06-01 00:00:00

abstract：:The aim of this study was to investigate fracture patterns occurring when a human upper central incisor is subjected to impact loadings at various angles. A two-dimensional finite element (FE) model of the maxillary incisor and surrounding tissues was established. The structural damping factor for the tooth was then c...

journal_title：Journal of endodontics

authors： Huang HM,Ou KL,Wang WN,Chiu WT,Lin CT,Lee SY

更新日期：2005-10-01 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：:With the recent influx of osseointegrated endosseous implants in dentistry, attention has been drawn away from using endodontic stabilizers as a means of stabilizing and retaining teeth. It is our opinion that endodontic stabilizers should be considered in the treatment planning of seemingly nonretainable teeth. They ...

journal_title：Journal of endodontics

authors： Feldman M,Feldman G

更新日期：1992-05-01 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：INTRODUCTION:Warm vertically compacted gutta-percha obturation techniques use root canal sealers that are heated during the obturation. This study aims at investigating the suitability of selected sealers with warm gutta-percha obturation techniques. METHODS:The composition of an experimental sealer (Septodont; Saint ...

journal_title：Journal of endodontics

authors： Camilleri J

更新日期：2015-01-01 00:00:00

abstract：:Ninety extracted human teeth with a single canal and a large patent foramen were obturated by one of three methods after placement of a master gutta-percha cone and sealer. The apical seals were evaluated by ink penetration. Statistical analysis of the results indicated that the group obturated with the high-temperatu...

journal_title：Journal of endodontics

authors： Olson AK,Hartwell GR,Weller RN

更新日期：1989-07-01 00:00:00

abstract：:Cyclooxygenase-2 (COX-2) is induced after the activation of cells by a variety of proinflammatory agents. Recently, evidence has shown that COX-2 may play a role in the pathogenesis of pulpal inflammation. However, little is known regarding the mechanism of pulpal inflammation at the site of bacterial infection. The p...

journal_title：Journal of endodontics

authors： Chang YC,Huang FM,Yang SF,Liu CM,Lai CC,Chan Y,Hsieh YS

更新日期：2003-04-01 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：:Biopsy reports of specimens from the apices of 1659 teeth physically present at the time the biopsy was performed were reviewed. The following information was recorded from each report: (a) source of specimen, (b) sex of patient, (c) age of patient, (d) location of tooth associated with lesion, and (e) diagnoses repor...

journal_title：Journal of endodontics

authors： Spatafore CM,Griffin JA Jr,Keyes GG,Wearden S,Skidmore AE

更新日期：1990-05-01 00:00:00

abstract：INTRODUCTION:Recently, it was shown that the biomineralization process promoted by the interaction of mineral trioxide aggregate (MTA) with dentin in phosphate-buffered saline (PBS) positively influenced the push-out bond strength of the cement. This study investigated if the use of a PBS intracanal dressing promotes t...

journal_title：Journal of endodontics

authors： Reyes-Carmona JF,Felippe MS,Felippe WT

更新日期：2010-10-01 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 health of human teeth depends on the integrity of the hard tissue and the activity of the pulp and periodontal tissues, which are responsible for nutritional supply. Without the nourishing of the pulp tissue, the possibility of tooth fracture can increase. In immature permanent teeth, root development ...

journal_title：Journal of endodontics

authors： Wang Y,Zhao Y,Jia W,Yang J,Ge L

更新日期：2013-02-01 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：INTRODUCTION:This study aimed to evaluate the frequency of dentinal microcracks observed after root canal preparation with 2 reciprocating and a conventional full-sequence rotary system using micro-computed tomographic analysis. METHODS:Thirty mesial roots of mandibular molars presenting a type II Vertucci canal confi...

journal_title：Journal of endodontics

authors： De-Deus G,Silva EJ,Marins J,Souza E,Neves Ade A,Gonçalves Belladonna F,Alves H,Lopes RT,Versiani MA

更新日期：2014-09-01 00:00:00

abstract：:In vitro root surface temperatures produced during post space preparation were measured. The preparations were made using a GPX bur with rotational speeds of 6,500, 8,000, 9,500, 11,000, and 15,000 rpm. The overall mean temperature increase ranged from 0.66 degree to 4.81 degrees C and was greatest at 8,000 rpm. When ...

journal_title：Journal of endodontics

authors： Weller RN,Kimbrough WF,Anderson RW

更新日期：1996-06-01 00:00:00

abstract：INTRODUCTION:MicroRNAs (miRs) are a family of noncoding RNAs that regulate gene expression. They are ubiquitous among multicellular eukaryotes and are also encoded by some viruses. Upon infection, viral miRs (vmiRs) can potentially target gene expression in the host and alter the immune response. Although prior studies...

journal_title：Journal of endodontics

authors： Zhong S,Naqvi A,Bair E,Nares S,Khan AA

更新日期：2017-01-01 00:00:00

abstract：:Whole genome DNA-DNA hybridization has been used to identify bacteria in periradicular lesions partly because there is no amplification of the bacteria, therefore, minor contaminants are not detected. There are, however, potential pitfalls with this technique, including inability to distinguish dead bacteria, cross-re...

journal_title：Journal of endodontics

authors： Chan S,Mohammed N,Dobeck JM,White RR,Socransky SS,Skobe Z

更新日期：2004-07-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to compare the efficacy of conventional syringe, ultrasonic, EndoVac (Discus Dental, Culver City, CA), and Self-Adjusting File (SAF) (Re-Dent-Nova, Ra'nana, Israel) irrigation systems in removing calcium hydroxide (Ca[OH]2) from simulated root canal irregularities. METHODS:The ro...

journal_title：Journal of endodontics

authors： Capar ID,Ozcan E,Arslan H,Ertas H,Aydinbelge HA

更新日期：2014-03-01 00:00:00

abstract：INTRODUCTION:Long-term predictability of restored endodontically treated teeth is important for the decision of tooth retention versus extraction and implant placement. The purpose of this study was to validate the hypothesis that preoperative factors can predict the long-term prognosis of molars requiring endodontic a...

journal_title：Journal of endodontics

authors： Setzer FC,Boyer KR,Jeppson JR,Karabucak B,Kim S

更新日期：2011-01-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to compare the shaping ability of 4 different nickel-titanium systems, considering their variation in alloy treatment, kinematics, and design, used to prepare canals with severe curvature using micro-computed tomographic analysis. METHODS:Thirty-two mesial roots of mandibular mol...

journal_title：Journal of endodontics

authors： Filizola de Oliveira DJ,Leoni GB,da Silva Goulart R,Sousa-Neto MD,Silva Sousa YTC,Silva RG

更新日期：2019-06-01 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：:The sealing properties of three temporary restorative materials, Cavit, IRM, and a polycarboxylate-based cement, Ultratemp Firm, were investigated in vitro. Standardized access cavities were prepared in 45, intact, extracted, human molars. The teeth were randomly assigned to three groups and the access openings filled...

journal_title：Journal of endodontics

authors： Zmener O,Banegas G,Pameijer CH

更新日期：2004-08-01 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：:Coronal leakage has been recognized as a cause of pulpal and periradicular disease. Although cleaning and shaping of the root canal system is considered paramount, obturation of the system is an important step in endodontic success. The purpose of this study was to evaluate coronal bacterial leakage in teeth obturated...

journal_title：Journal of endodontics

authors： Jacobson HL,Xia T,Baumgartner JC,Marshall JG,Beeler WJ

更新日期：2002-04-01 00:00:00