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：INTRODUCTION:Alkaline phosphatase (ALP) plays an important role in inducing mineralization events in the dental pulp. This study investigated and compared the ALP levels in healthy and inflamed pulp in young and old human pulp. METHODS:Tissue samples were collected from young (<30 years) and old (>60 years) donors. In...

journal_title：Journal of endodontics

authors： Aslantas EE,Buzoglu HD,Karapinar SP,Cehreli ZC,Muftuoglu S,Atilla P,Aksoy Y

更新日期：2016-01-01 00:00:00

abstract：INTRODUCTION:This study assessed apical extrusion during treatment with GentleWave (GW; Sonendo Inc, Laguna Hills, CA), a conventional open-ended 30-G needle (CN), or Endovac (EV; SybronEndo, Orange, CA) in root canals enlarged to different dimensions with and without apical constriction. METHODS:Sixteen mandibular mo...

journal_title：Journal of endodontics

authors： Charara K,Friedman S,Sherman A,Kishen A,Malkhassian G,Khakpour M,Basrani B

更新日期：2016-01-01 00:00:00

abstract：INTRODUCTION:The aim of this prospective study was to evaluate the postoperative pain that followed root canal treatments performed with a single-file reciprocating system on asymptomatic uniradicular necrotic teeth with and without foraminal enlargements (FEs). METHODS:Forty-six volunteers were randomly divided into ...

journal_title：Journal of endodontics

authors： Cruz Junior JA,Coelho MS,Kato AS,Vivacqua-Gomes N,Fontana CE,Rocha DG,da Silveira Bueno CE

更新日期：2016-01-01 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：: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:Recent evidence finds mineral trioxide aggregate (MTA) more effective than calcium hydroxide (CH) for direct pulp capping (DPC). The present study assessed the cost-effectiveness of MTA versus CH for DPC using a model-based simulation approach. METHODS:A mixed public/private payer perspective in the conte...

journal_title：Journal of endodontics

authors： Schwendicke F,Brouwer F,Stolpe M

更新日期：2015-12-01 00:00:00

abstract：INTRODUCTION:Enterococcus faecalis is a frequently isolated microorganism in persistent periapical lesion or secondary infection. However, no evidence has demonstrated that E. faecalis induced inflammation directly in the apical area. This study aimed to explore the mechanism of the inflammatory responses of human peri...

journal_title：Journal of endodontics

authors： Zhang L,Wang T,Lu Y,Zheng Q,Gao Y,Zhou X,Huang D

更新日期：2015-12-01 00:00:00

abstract：INTRODUCTION:This study aimed to evaluate the precision of electronic apex locators (EALs) in locating the apical constriction (AC) during a root canal treatment compared with a histologic evaluation of the AC as well as the effects of possible influencing factors by means of a systematic review of the literature and m...

journal_title：Journal of endodontics

authors： Tsesis I,Blazer T,Ben-Izhack G,Taschieri S,Del Fabbro M,Corbella S,Rosen E

更新日期：2015-11-01 00:00:00

abstract：INTRODUCTION:The aims of this study were to evaluate the vertical and horizontal relationships between the maxillary sinus floor (MSF) and the root apices of maxillary posterior teeth with various root configurations and the distance from the root apex to the MSF and the buccal cortical plate. METHODS:Serial axial, co...

journal_title：Journal of endodontics

authors： Kang SH,Kim BS,Kim Y

更新日期：2015-11-01 00:00:00

abstract：INTRODUCTION:Securing a reproducible glide path before instrumentation is recommended to maintain the original geometry of the root canal system and to prevent file separation. Mechanical glide path management systems have been introduced to expedite this step. The aim of this study was to compare apical transportation...

journal_title：Journal of endodontics

authors： Kirchhoff AL,Chu R,Mello I,Garzon AD,dos Santos M,Cunha RS

更新日期：2015-11-01 00:00:00

abstract：INTRODUCTION:Incision and drainage of symptomatic emergency patients with facial swelling is painful even after local anesthetics are administered. The purpose of this prospective, randomized, double-blind study was to compare the pain of infiltration and the pain of an incision and drainage procedure of a buffered ver...

journal_title：Journal of endodontics

authors： Harreld TK,Fowler S,Drum M,Reader A,Nusstein J,Beck M

更新日期：2015-10-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to compare the efficacy of passive ultrasonic irrigation (PUI) and the EndoVac (EV) System (Discus Dental, Culver City, CA) in hard tissue debris removal and its influence on the quality of the root canal filling with the aid of micro-computed tomographic scanner. METHODS:Twenty-...

journal_title：Journal of endodontics

authors： Freire LG,Iglecias EF,Cunha RS,Dos Santos M,Gavini G

更新日期：2015-10-01 00:00:00

abstract：:Pulp revascularization is a promising procedure for the treatment of adolescents' immature permanent teeth with necrotic pulp and/or apical periodontitis. However, the ability to successfully perform pulp revascularization in a middle-aged patient remains unclear. A 39-year-old woman was referred for treatment of teet...

journal_title：Journal of endodontics

authors： Wang Y,Zhu X,Zhang C

更新日期：2015-09-01 00:00:00

abstract：:The current external inflammatory root resorption treatment protocol, which uses calcium hydroxide dressing, usually comprises multiple and long-term applications. In addition to the need for multiple appointments for calcium hydroxide replacement, the long-term maintenance of this compound in the root canal weakens d...

journal_title：Journal of endodontics

authors： Santiago CN,Pinto SS,Sassone LM,Hirata R Jr,Fidel SR

更新日期：2015-09-01 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: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：INTRODUCTION:Elucidating the microbial ecology of endodontic infections (EIs) is a necessary step in developing effective intracanal antimicrobials. The aim of the present study was to investigate the bacterial composition of symptomatic and asymptomatic primary and persistent infections in a Greek population using hig...

journal_title：Journal of endodontics

authors： Tzanetakis GN,Azcarate-Peril MA,Zachaki S,Panopoulos P,Kontakiotis EG,Madianos PN,Divaris K

更新日期：2015-08-01 00:00:00

abstract：INTRODUCTION:Optical coherence tomography (OCT) is a noninvasive modality to obtain in-depth images of biological structures. A dental OCT system has become available for chairside application. This in vitro study hypothesized that swept-source OCT can be used to measure the remaining dentin thickness (RDT) at the roof...

journal_title：Journal of endodontics

authors： Majkut P,Sadr A,Shimada Y,Sumi Y,Tagami J

更新日期：2015-08-01 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：INTRODUCTION:The purpose of this prospective, randomized controlled trial was to evaluate the healing outcomes of platelet-rich fibrin (PRF) in periapical surgeries involving apicomarginal defects and to compare these results with surgeries not using any guided tissue regeneration techniques. METHODS:Thirty patients w...

journal_title：Journal of endodontics

authors： Dhiman M,Kumar S,Duhan J,Sangwan P,Tewari S

更新日期：2015-07-01 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: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:Pain present 6 months after root canal treatment (RCT) may be of odontogenic or nonodontogenic origin. This is important because treatments and prognoses are different; therefore, the aim of this study was to provide specific diagnoses of patients reporting pain 6 months after receiving initial orthograde ...

journal_title：Journal of endodontics

authors： Nixdorf DR,Law AS,John MT,Sobieh RM,Kohli R,Nguyen RH,National Dental PBRN Collaborative Group.

更新日期：2015-04-01 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: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：INTRODUCTION:Sphingosine-1-phosphate receptor 1 (S1P1) is crucial for regulation of immunity and bone metabolism. This study aimed to investigate the expression of S1P1 in rat periapical lesions and its relationship with receptor activator of nuclear factor kappa B ligand (RANKL) and regulatory T (Treg) cells. METHODS...

journal_title：Journal of endodontics

authors： Xiao L,Zhu L,Yang S,Lei D,Xiao Y,Peng B

更新日期：2015-04-01 00:00:00

abstract：INTRODUCTION:The diagnosis and treatment planning of cracked teeth depend on the understanding of how cracks affect the surrounding tissues. This study evaluated the dentin and pulp conditions in teeth affected by cracks and attrition. METHODS:Specimens under investigation included 12 cracked posterior teeth and 8 tee...

journal_title：Journal of endodontics

authors： Ricucci D,Siqueira JF Jr,Loghin S,Berman LH

更新日期：2015-03-01 00:00:00

abstract：INTRODUCTION:In a clinical situation, an apically resected tooth is often accompanied by a varying degree of periodontal bone loss. The purpose of this study was to assess the influence of apical root resection combined with periodontal bone loss on the biomechanical response of a single-rooted tooth. METHODS:A basic ...

journal_title：Journal of endodontics

authors： Jang Y,Hong HT,Chun HJ,Roh BD

更新日期：2015-03-01 00:00:00

abstract：INTRODUCTION:The objective of this study was to investigate the association between chronic apical periodontitis (CAP) and low-birth-weight preterm births (LBWPB). METHODS:Sixty-three women in postpartum period were included in this case-control study. The case group consisted of mothers of LBWPB infants (n = 33), and...

journal_title：Journal of endodontics

authors： Leal AS,de Oliveira AE,Brito LM,Lopes FF,Rodrigues VP,Lima KF,de Araújo Martins IC

更新日期：2015-03-01 00:00:00

abstract：INTRODUCTION:A limited number of in vivo studies have discussed the prevalence of middle mesial canals in root canal systems of mandibular molars. The reported results have varied between 1% and 25%, with no detailed description of the depth and direction of troughing needed to identify such small canal orifices. The o...

journal_title：Journal of endodontics

authors： Azim AA,Deutsch AS,Solomon CS

更新日期：2015-02-01 00:00:00

abstract：INTRODUCTION:Studies have found women try to avoid pain more than men, accept it less, and fear it more. The role of operator gender on subject gender pain in a clinical setting needs further study. The purpose of this randomized, double-blind investigation was to evaluate operator gender and its influence on reported ...

journal_title：Journal of endodontics

authors： Perry S,Drum M,Reader A,Nusstein J,Beck M

更新日期：2015-02-01 00:00:00

abstract：INTRODUCTION:Root resorption is a common complication after replantation following traumatic dental avulsion. Endodontic therapy combined with local and intracanal medications aims to avoid osteoclastic activity. In such cases, the application of alendronate (ALN), a bisphosphonate widely used for the treatment of bone...

journal_title：Journal of endodontics

authors： Martins CA,Leyhausen G,Volk J,Geurtsen W

更新日期：2015-01-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to investigate if nickel-titanium instruments with similar designs manufactured by different thermal treatments would exhibit significantly different in vitro behavior. METHODS:Thirty-six instruments each of ProTaper Universal (PTU F1; Dentsply Maillefer, Ballaigues, Switzerl...

journal_title：Journal of endodontics

authors： Pereira ÉS,Viana AC,Buono VT,Peters OA,Bahia MG

更新日期：2015-01-01 00:00:00

abstract：INTRODUCTION:A major complication after endodontic treatment is persistent pain on biting or chewing. Although unsuccessful endodontic treatment can account for such pain, pain to chewing and biting can also be a result of an unsupported or propagated crown fracture. Crown fractures that extend apically result in deter...

journal_title：Journal of endodontics

authors： Michaelson PL

更新日期：2015-01-01 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：INTRODUCTION:Revascularization treatment is rapidly becoming an accepted treatment alternative for the management of endodontic pathology in immature permanent teeth with necrotic dental pulps. However, the success and timing of clinical resolution of symptoms, and radiographic outcomes of interest, such as continued h...

journal_title：Journal of endodontics

authors： Saoud TM,Zaazou A,Nabil A,Moussa S,Lin LM,Gibbs JL

更新日期：2014-12-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate and compare the volume of removed dentin, transportation, and centering ability of ProTaper Next (PTN) system with and without glide path preparation by using cone-beam computed tomography (CBCT) imaging. METHODS:Sixty mesiobuccal canals of mandibular first molars...

journal_title：Journal of endodontics

authors： Elnaghy AM,Elsaka SE

更新日期：2014-12-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate the effect of calcium hydroxide (CH) and antibiotic pastes, including a mixture of metronidazole and ciprofloxacin, with and without minocycline or cefaclor, on the dislocation resistance of mineral trioxide aggregate (MTA) to root dentin. METHODS:Eighty single-rooted...

journal_title：Journal of endodontics

authors： Topçuoğlu HS,Arslan H,Akçay M,Saygili G,Çakici F,Topçuoğlu G

更新日期：2014-12-01 00:00:00

abstract：INTRODUCTION:The aim of this in vitro study was to compare the effectiveness of saline, 2.5% sodium hypochlorite, and 2% chlorhexidine, with or without passive ultrasonic irrigation (PUI), in debris removal from simulated canal irregularities within prepared root canals. METHODS:Ninety bovine lateral incisors were ran...

journal_title：Journal of endodontics

authors： Martins Justo A,Abreu da Rosa R,Santini MF,Cardoso Ferreira MB,Pereira JR,Húngaro Duarte MA,Reis Só MV

更新日期：2014-12-01 00:00:00