Taurodontism: an endodontic challenge. Report of a case.

abstract：INTRODUCTION:This study compared the efficacy of a reciprocating single-instrument system and a rotary multi-instrument system followed by a supplementary approach with a finishing instrument in removing the filling material from curved canals during retreatment. METHODS:Forty mesial canals from extracted mandibular m...

journal_title：Journal of endodontics

authors： Alves FR,Marceliano-Alves MF,Sousa JC,Silveira SB,Provenzano JC,Siqueira JF Jr

更新日期：2016-07-01 00:00:00

abstract：:The purpose of this study was to compare the degree of anesthesia obtained with 2% lidocaine with three different concentrations of epinephrine for inferior alveolar nerve block. Using a repeated measures design, 30 subjects randomly received an inferior alveolar injection using masked cartridges of each solution at t...

journal_title：Journal of endodontics

authors： Dagher FB,Yared GM,Machtou P

更新日期：1997-03-01 00:00:00

abstract：INTRODUCTION:Different microbial communities have been associated with acute endodontic infections. The majority of the microorganisms are as yet uncultivable or difficult to grow under current laboratory conditions. Treponema species are strict anaerobic bacteria that are involved in several oral diseases. The aim of ...

journal_title：Journal of endodontics

authors： Montagner F,Jacinto RC,Signoretti FG,Gomes BP

更新日期：2010-11-01 00:00:00

abstract：:The purpose of this study was to compare Schick CDR and Trophy RVGui direct digital radiography (DDR) systems for the ability to detect periapical lesions in human cadaver mandibles. Digital radiographs were exposed of teeth with normal periapical areas and of teeth with artificially prepared periapical lesions using ...

journal_title：Journal of endodontics

authors： Folk RB,Thorpe JR,McClanahan SB,Johnson JD,Strother JM

更新日期：2005-04-01 00:00:00

abstract：:The extraoral sinus tract may occur as a result of an inflammatory process associated with a necrotic pulp. However, several non-odontogenic disorders may also produce an extraoral sinus tract. Thus, the differential diagnosis of this clinical finding is of paramount importance in providing appropriate clinical care b...

journal_title：Journal of endodontics

authors： Cohenca N,Karni S,Rotstein I

更新日期：2003-12-01 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：:In this retrospective study with limited cone-beam computed tomography (limited CBCT), we investigated the anatomic characteristics of the accessory mental foramina and accessory branches of the mandibular canal. The CBCT records of approximately 150 patients were evaluated, and 17 accessory mental foramina were found...

journal_title：Journal of endodontics

authors： Katakami K,Mishima A,Shiozaki K,Shimoda S,Hamada Y,Kobayashi K

更新日期：2008-12-01 00:00:00

abstract：:Studies of endodontic outcomes suggest that fracture of the tooth after endodontic therapy may be a greater problem than endodontic reinfection. Immediate full coverage with or without a post and core is the best way to prevent fracture. Unfortunately, in many population areas, due predominantly to cost, this restorat...

journal_title：Journal of endodontics

authors： Kim SG,Kim SS,Levine JL,Piracha YS,Solomon CS

更新日期：2020-04-01 00:00:00

abstract：INTRODUCTION:The objectives of this review were to assess the methodological quality of published meta-analyses related to endodontics using the assessment of multiple systematic reviews (AMSTAR) tool and to provide a follow-up to previously published reviews. METHODS:Three electronic databases were searched for eligi...

journal_title：Journal of endodontics

authors： Kattan S,Lee SM,Kohli MR,Setzer FC,Karabucak B

更新日期：2018-01-01 00:00:00

abstract：:There have been major recent reorganizations among bacterial taxa as a result of phylogenetic taxonomic approaches. As a consequence, old species have been renamed and novel species have been proposed. The introduction of molecular technology for microbial identification has also allowed the detection of microbial tax...

journal_title：Journal of endodontics

authors： Siqueira JF Jr

更新日期：2003-10-01 00:00:00

abstract：:In this study the sealing ability of a new urethane methacrylate resin-based sealer, EndoRez, was evaluated using a fluid-filtration model. Sixty-four single-rooted lower bicuspids were decoronated, instrumented, and divided into 3 groups of 20 each with 4 teeth used as controls. In group A, the roots were obturated w...

journal_title：Journal of endodontics

authors： Kardon BP,Kuttler S,Hardigan P,Dorn SO

更新日期：2003-10-01 00:00:00

abstract：:One hundred single-rooted teeth were instrumented with Lightspeed, Profile .04 Taper Series 29, and NT McXIM instruments according to the recommendations of the manufacturers, and Flex-R files using the balanced force technique. Groups were comparable with respect to average curvature, canal length, and major and mino...

journal_title：Journal of endodontics

authors： Hinrichs RE,Walker WA 3rd,Schindler WG

更新日期：1998-02-01 00:00:00

abstract：:Three randomly assigned groups of single-canaled extracted teeth obturated with gutta-percha were retreated using controlled application of one of three organic solvents: chloroform, xylene, or halothane. Two additional groups of teeth served as positive and negative controls. Residual volume of solvent expressed thro...

journal_title：Journal of endodontics

authors： Chutich MJ,Kaminski EJ,Miller DA,Lautenschlager EP

更新日期：1998-04-01 00:00:00

abstract：:Ninety-six human molars were accessed. After flattening of the occlusal surface and removal of the apical two-thirds of the roots, the remaining canal space was instrumented by conventional methods. The teeth were divided into six groups of 15 teeth with three positive and three negative controls. The six experimental...

journal_title：Journal of endodontics

authors： Carman JE,Wallace JA

更新日期：1994-12-01 00:00:00

abstract：INTRODUCTION:Dentin regeneration is one of the main goals of vital pulp treatment in which the biological properties of dental pulp cells (DPCs) need to be considered. In our previous study, we showed that EDTA could enhance the stromal cell-derived factor 1 alpha-induced migration of DPCs. The purpose of this study wa...

journal_title：Journal of endodontics

authors： Liu L,Leng S,Tang L,Lu Q,Xu W,Tan X,Huang D,Zhang L

更新日期：2020-12-20 00:00:00

abstract：:The purpose of this investigation was to compare the antimicrobial effect of MTAD (a mixture of a tetracycline isomer, an acid, and a detergent) with that of NaOCl with and without EDTA. Eighty-five extracted human teeth were contaminated with Enterococcus faecalis for 4 weeks. After biomechanical instrumentation usin...

journal_title：Journal of endodontics

authors： Shabahang S,Torabinejad M

更新日期：2003-09-01 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:Regenerative endodontic procedures are an alternative treatment for immature teeth with necrotic pulps. Typically, intracanal medicaments such as triple antibiotic paste (TAP) or double antibiotic paste (DAP) and calcium hydroxide (Ca[OH](2)) are used for disinfection. However, their effect on human stem c...

journal_title：Journal of endodontics

authors： Ruparel NB,Teixeira FB,Ferraz CC,Diogenes A

更新日期：2012-10-01 00:00:00

abstract：:Sixty-eight standardized human root specimens were infected with Enterococcus faecalis for 3 wk after removal of the smear layer. After 3 wk of infection, the smear layer was reformed and in half of the specimens, the smear layer was again removed. Aqueous Ca(OH)2 paste and silicone oil based Ca(OH)2 paste were used a...

journal_title：Journal of endodontics

authors： Han GY,Park SH,Yoon TC

更新日期：2001-05-01 00:00:00

abstract：:The objective of this study was to compare the effectiveness of F-files and ultrasonics to remove the smear layer from instrumented root canals when irrigated with sodium hypochlorite and EDTA. Sixty healthy human premolar teeth were instrumented with ProTaper file series to F3, and the canals were enlarged with Profi...

journal_title：Journal of endodontics

authors： Chopra S,Murray PE,Namerow KN

更新日期：2008-10-01 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:There are no long-term, prospective clinical studies assessing outcomes of endodontically treated cracked teeth with radicular extensions. The purpose of this prospective study was to examine the 2- to 4-year success and survival rates of endodontically treated, coronally restored, cracked teeth, specifica...

journal_title：Journal of endodontics

authors： Davis MC,Shariff SS

更新日期：2019-07-01 00:00:00

abstract：INTRODUCTION:A number of factors affect the dimensional stability of a material. These factors include curing conditions, material solubility, leaching, and time. The aim of this study was to evaluate the restrained dimensional change in the vertical direction as a function of the ambient conditions, fluid uptake, solu...

journal_title：Journal of endodontics

authors： Camilleri J

更新日期：2011-02-01 00:00:00

abstract：:We immunohistologically examined the prevalence and localization of bacteria invading dentinal tubules of the roots of teeth with infected canals. Forty extracted teeth with apical lesions were selected and divided into two groups: a group of untreated teeth and a group of canal-enlarged teeth. The bacteria in the spe...

journal_title：Journal of endodontics

authors： Matsuo T,Shirakami T,Ozaki K,Nakanishi T,Yumoto H,Ebisu S

更新日期：2003-03-01 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:The purpose of this study was to evaluate the tooth structure theoretically required to be removed in the coronal and cervical regions to accomplish 3 different endodontic access preparations in a novel digital model. The deviation of the center of access cavity from the central fossa will also be measured...

journal_title：Journal of endodontics

authors： Lin CY,Lin D,He WH

更新日期：2020-04-01 00:00:00

abstract：:This study describes three methods of computerized three-dimensional reconstruction of the main neurovascular pulpal bundle of human teeth, using serial cross-paraffin sections, digital image processing, and three-dimensional computer graphics. These methods are surface representation, representation by means of a sta...

journal_title：Journal of endodontics

authors： Lyroudia K,Nikolaidis N,Pitas I,Palakidis K

更新日期：1995-10-01 00:00:00

abstract：:Immune and nervous systems play key roles in periapical pathosis; however, their spatial associations, which may be a prerequisite for paracrine interactions in the progression of periapical lesions, remain to be examined. In this study we examined the distribution and frequency of spatial associations between major h...

journal_title：Journal of endodontics

authors： Yang G,Kawashima N,Kaneko T,Suzuki N,Okiji T,Suda H

更新日期：2007-02-01 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：:Aspirating the unknown contents of a bony cavity and saline irrigation of a body wound are both basic surgical techniques. These two techniques have been combined in treating persistent periradicular pathosis in two cases. The cases demonstrate significant bony healing of extensive periradicular defects after the use ...

journal_title：Journal of endodontics

authors： Hoen MM,LaBounty GL,Strittmatter EJ

更新日期：1990-04-01 00:00:00