Characteristics of accessory mental foramina observed on limited cone-beam computed tomography images.

abstract：INTRODUCTION:This article reports on the feasibility of conducting a large-scale endodontic prospective cohort study in The National Dental Practice-Based Research Network. This study was designed to measure pain and burden associated with initial orthograde root canal therapy (RCT) and to explore potential prognostic ...

journal_title：Journal of endodontics

authors： Nixdorf DR,Law AS,Look JO,Rindal DB,Durand EU,Kang W,Agee BS,Fellows JL,Gordan VV,Gilbert GH,National Dental PBRN Collaborative Group.

更新日期：2012-11-01 00:00:00

abstract：:A polydimethylsiloxane-based sealer (GuttaFlow) was used for filling single-rooted teeth with four obturation techniques. Prefitted gutta-percha master-cones were employed in groups 1 to 3 with backfilling of the sealer. Apical third of the roots were first filled with GuttaFlow, and sealer-coated master cones were se...

journal_title：Journal of endodontics

authors： Brackett MG,Martin R,Sword J,Oxford C,Rueggeberg FA,Tay FR,Pashley DH

更新日期：2006-12-01 00:00:00

abstract：INTRODUCTION:In this study, we investigated if apical periodontitis (AP) associated with diabetes influenced the levels of endogenous antioxidants, the total antioxidant capacity (TAC), and the oxidant parameter in the serum of Wistar rats. METHODS:Forty male rats were divided into 4 equal groups: normal rats (N), rat...

journal_title：Journal of endodontics

authors： Prieto AKC,Gomes-Filho JE,Azuma MM,Sivieri-Araújo G,Narciso LG,Souza JC,Ciarlini PC,Cintra LTA

更新日期：2017-10-01 00:00:00

abstract：INTRODUCTION:The outcome of periapical surgery has been directly improved with the introduction of novel material formulations. The aim of the study was to compare the retrograde obturation quality of the following materials: calcium silicate (Biodentine; Septodont, Saint-Maur-des-Fosses, France), mineral trioxide aggr...

journal_title：Journal of endodontics

authors： Biočanin V,Antonijević Đ,Poštić S,Ilić D,Vuković Z,Milić M,Fan Y,Li Z,Brković B,Đurić M

更新日期：2018-05-01 00:00:00

abstract：:The purpose of this study was to evaluate the ultramorphological and chemical changes in Er,Cr:YSGG laser-treated radicular dentin in comparison with two different irrigation regimes. Extracted human premolars were assigned into three experimental groups. Group 1: After each file size, root canals were irrigated with ...

journal_title：Journal of endodontics

authors： Altundasar E,Ozçelik B,Cehreli ZC,Matsumoto K

更新日期：2006-05-01 00:00:00

abstract：INTRODUCTION:In regenerative endodontic treatment (RET) for immature permanent tooth, better treatment results could be obtained by applying platelet-rich plasma (PRP) as the scaffold rather than the blood clot. The goal of this study was to compare the histologic differences between using PRP and blood clot in RET. M...

journal_title：Journal of endodontics

authors： Zhang DD,Chen X,Bao ZF,Chen M,Ding ZJ,Zhong M

更新日期：2014-09-01 00:00:00

abstract：:The endodontic endosseous implant (EEI) enjoyed wide use in the United States after it was introduced in the 1960's. For various reasons including incorrect case selection, improper use of the materials, and poor preparation for the implant a high number of failures resulted. Following opposition by some members of th...

journal_title：Journal of endodontics

authors： Weine FS,Frank AL

更新日期：1993-10-01 00:00:00

abstract：INTRODUCTION:Proteinases play pivotal roles in Candida albicans infections. Although the yeast can colonize the pulpal environment, there is no information about the enzymatic profile of this organism. This in vitro study aimed to determine the proteolysis levels and to investigate differences in the expression of aspa...

journal_title：Journal of endodontics

authors： Miranda TT,Vianna CR,Rodrigues L,Rosa CA,Corrêa A Jr

更新日期：2015-06-01 00:00:00

abstract：INTRODUCTION:In recent years, the inflammasome has been determined to play an important role in inflammatory diseases. However, the role of the inflammasome in pulpitis remains unclear. Absent in melanoma 2 (AIM2) is a type of inflammasome that recognizes cytosolic double stranded DNA and forms a caspase-1-activating i...

journal_title：Journal of endodontics

authors： Wang Y,Zhai S,Wang H,Jia Q,Jiang W,Zhang X,Zhang A,Liu J,Ni L

更新日期：2013-11-01 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:This study aimed to investigate the effects of 2 inorganic polyphosphates (poly[P]) are linear polymers of orthophosphate (Pi) residues linked by energy-rich phosphoanhydride poly(P) compounds, sodium triphosphate (STP, Na5P3O10) and sodium hexametaphosphate (SHMP, Na15P13O40 ∼ Na20P18O40) on the prolifera...

journal_title：Journal of endodontics

authors： Bae WJ,Jue SS,Kim SY,Moon JH,Kim EC

更新日期：2015-06-01 00:00:00

abstract：INTRODUCTION:This study aimed to compare the physicochemical and biological properties of premixed calcium silicate-based endodontic sealers with other conventional root canal filling materials by systematically reviewing laboratory studies. METHODS:The search was conducted in 3 databases (Medline via PubMed, Scopus, ...

journal_title：Journal of endodontics

authors： Silva Almeida LH,Moraes RR,Morgental RD,Pappen FG

更新日期：2017-04-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate the radiopacity of calcium aluminate cement (EndoBinder) with 3 different radiopacifiers (bismuth oxide, zinc oxide, or zirconium oxide) in comparison with gray mineral trioxide aggregate (GMTA), white MTA, and dental structures (enamel and dentin). METHODS:Eighteen t...

journal_title：Journal of endodontics

authors： Aguilar FG,Garcia Lda F,Rossetto HL,Pardini LC,Pires-de-Souza Fde C

更新日期：2011-01-01 00:00:00

abstract：:Apical periodontitis was induced in Wistar rats by exposing the pulp chamber of right mandibular first molars to the oral environment. Animals were killed 0, 5, 10, 15, 20, 30, 60, and 80 days after lesion induction. Microradiographic and automated image analysis showed that the lesions expanded significantly in a tim...

journal_title：Journal of endodontics

authors： Lin SK,Hong CY,Chang HH,Chiang CP,Chen CS,Jeng JH,Kuo MY

更新日期：2000-06-01 00:00:00

abstract：INTRODUCTION:Apical extrusion of irrigants and debris is an inherent limitation associated with cleaning and shaping of root canals and has been studied extensively because of its clinical relevance as a cause of flare-ups. Many factors affect the amount of extruded intracanal materials. The purpose of this study was t...

journal_title：Journal of endodontics

authors： Mittal R,Singla MG,Garg A,Dhawan A

更新日期：2015-12-01 00:00:00

abstract：INTRODUCTION:Achieving anesthesia in mandibular molar teeth with irreversible pulpitis is very difficult. The aim of this study was to compare the efficacy of 1.8 mL and 3.6 mL articaine for an inferior alveolar nerve block (IANB) when treating molars with symptomatic irreversible pulpitis. METHODS:In a randomized, do...

journal_title：Journal of endodontics

authors： Abazarpoor R,Parirokh M,Nakhaee N,Abbott PV

更新日期：2015-09-01 00:00:00

abstract：:Calcium hydroxide is the "gold standard" endodontic medication, but it may fail to eliminate certain facultative bacteria and yeasts found in root canal systems. In this study, standardized bovine dentin blocks infected with Enterococcus faecalis were treated with an aqueous calcium hydroxide or bioactive glass S53P4 ...

journal_title：Journal of endodontics

authors： Zehnder M,Söderling E,Salonen J,Waltimo T

更新日期：2004-04-01 00:00:00

abstract：:Ten extracted human maxillary first molars were selected with a variety of root curvatures. The distofacial roots were resected and the mesiofacial canals were instrumented to a size #25 K file. Three techniques were used to introduce Ca(OH)2 paste into the instrumented canals. These techniques were evaluated for thei...

journal_title：Journal of endodontics

authors： Sigurdsson A,Stancill R,Madison S

更新日期：1992-08-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the effect of various degrees of cyclic fatigue on torsional failure and torsional preloading on the cyclic fatigue life of heat-treated K3XF nickel-titanium (NiTi) instruments (SybronEndo, Orange, CA). METHODS:The mean number of cycles until failure (Nf) of K3XF ...

journal_title：Journal of endodontics

authors： Shen Y,Riyahi AM,Campbell L,Zhou H,Du T,Wang Z,Qian W,Haapasalo M

更新日期：2015-04-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to determine factors and clinical situations that influence an endodontist's decision to use guided tissue regeneration (GTR) techniques during endodontic root-end surgery. METHODS:An invitation to participate in a web-based survey was e-mailed to 3,750 members of the America...

journal_title：Journal of endodontics

authors： Naylor J,Mines P,Anderson A,Kwon D

更新日期：2011-11-01 00:00:00

abstract：:The purpose of this study was to evaluate the durability of insulated probes designed to be used with the Endocater Apex Locator when put through multiple cleaning and autoclaving cycles. The manufacturer has reported that the plastic coating on the probes is reliable with normal use and sterilizable up to a maximum o...

journal_title：Journal of endodontics

authors： Himel VT,Schott RN

更新日期：1993-08-01 00:00:00

abstract：:The occurrence of Enterococcus faecalis in root canals of previously root filled teeth with apical periodontitis requiring retreatment was studied in Lithuanian patients. Twenty-five asymptomatic teeth were included in the study. Avoiding contamination microbiological samples were taken from the canals before and afte...

journal_title：Journal of endodontics

authors： Peciuliene V,Balciuniene I,Eriksen HM,Haapasalo M

更新日期：2000-10-01 00:00:00

abstract：INTRODUCTION:A great number of studies performed in the last 3 decades have shown the superior mechanical features of nickel-titanium files as compared with stainless steel files. A novel file system recently developed, Gentlefile, defies these findings and claims to have superior qualities despite the fact it is made ...

journal_title：Journal of endodontics

authors： Moreinos D,Dakar A,Stone NJ,Moshonov J

更新日期：2016-03-01 00:00:00

abstract：INTRODUCTION:The management of endodontic emergencies has been particularly challenging during the coronavirus disease 2019 (COVID-19) outbreak because of the possible generation of airborne particles and aerosols. The aim of this report was to contribute to the practice of endodontics by proposing a general protocol f...

journal_title：Journal of endodontics

authors： Silva WO,Vianna Silva Macedo RP,Nevares G,Val Rodrigues RC,Grossi Heleno JF,Braga Pintor AV,Almeida BM

更新日期：2021-01-01 00:00:00

abstract：INTRODUCTION:The study was designed as a randomized double-blind trial to evaluate the anesthetic efficacy of 4% articaine with 1:100,000 epinephrine in inferior alveolar nerve block (IANB) and infiltration anesthetic techniques to anesthetize mandibular molars with irreversible pulpitis. METHODS:The study was compose...

journal_title：Journal of endodontics

authors： Poorni S,Veniashok B,Senthilkumar AD,Indira R,Ramachandran S

更新日期：2011-12-01 00:00:00

abstract：INTRODUCTION:It has been widely accepted that dental pulp stem cells (DPSCs), which are a class of self-renewal and differentiation potential of adult stem cells, play an important role in the repair procession of pulp's inflammation. We investigated whether tumor necrosis factor alpha (TNF-α) could induce the prolifer...

journal_title：Journal of endodontics

authors： Qin Z,Li Y,Li Y,Liu G

更新日期：2015-07-01 00:00:00

abstract：:Locating the number and position of orifices on pulp-chamber floors can be difficult. This is especially true when the tooth being treated is heavily restored, malposed, or calcified. After evaluating 500 pulp chambers of extracted teeth, new laws for finding pulp chambers and root-canal orifices are proposed. The use...

journal_title：Journal of endodontics

authors： Krasner P,Rankow HJ

更新日期：2004-01-01 00:00:00

abstract：INTRODUCTION:Apical periodontitis is an inflammation and destruction of periapical tissues. Matrix metalloproteinase-9 (MMP-9) is thought to be involved in periapical lesion formation and progression. The aim of this study was to evaluate the lesion progression in MMP-9 knockout (KO) mice compared with that in control ...

journal_title：Journal of endodontics

authors： Wan C,Yuan G,Yang J,Sun Q,Zhang L,Zhang J,Zhang L,Chen Z

更新日期：2014-05-01 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：: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