The effect of mineral trioxide aggregate on the contractility of the rat thoracic aorta.

abstract：:The purpose of this in vitro study was to compare dye leakage between canals backfilled in a single increment and canals backfilled in multiple increments using the Obtura II system with two different sealers. Sixty extracted single canal teeth were decoronated, cleaned, and shaped. After master cone fit and placement...

journal_title：Journal of endodontics

authors： Johnson BT,Bond MS

更新日期：1999-09-01 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 study was to compare torque force and rotation needed to fracture three types of nickel titanium alloy rotary instruments in a simulated curved root canal space that were bound at the file tip. Files of similar size tips were studied. The files studied were ProFiles with 0.04 taper diameters of 15,...

journal_title：Journal of endodontics

authors： Guilford WL,Lemons JE,Eleazer PD

更新日期：2005-06-01 00:00:00

abstract：:The antibacterial activity of three commercial 10% carbamide peroxide bleaching agents (Nite White, Karisma, and Opalescence) on Streptococcus mutans, Streptococcus mitis, Streptococcus sanguis, Lactobacillus casei, and Lactobacillus acidophilus was examined. Chlorhexidine (0.2%) was used as a positive control. Test m...

journal_title：Journal of endodontics

authors： Gurgan S,Bolay S,Alaçam R

更新日期：1996-07-01 00:00:00

abstract：INTRODUCTION:The inferior alveolar nerve (IAN) block does not always result in successful pulpal anesthesia. Anesthetic success rates might be affected by increased anxiety. Nitrous oxide has been shown to have both anxiolytic and analgesic properties. Therefore, the purpose of this prospective, randomized, double-blin...

journal_title：Journal of endodontics

authors： Stanley W,Drum M,Nusstein J,Reader A,Beck M

更新日期：2012-05-01 00:00:00

abstract：:Osteoradionecrosis (ORN) of the jaw is considered the most severe long-term adverse effect that can occur in radiation therapy patients. Teeth extractions and dental diseases are the main risk factors for ORN in irradiated patients. The aim of this case series was to evaluate the outcome of primary root canal treatmen...

journal_title：Journal of endodontics

authors： Castagnola R,Minciacchi I,Rupe C,Marigo L,Grande NM,Contaldo M,Pesce A,Lajolo C

更新日期：2020-04-01 00:00:00

abstract：INTRODUCTION:Outcome studies of endodontic treatment of necrotic immature permanent teeth rely on radiographic measures as surrogates of whether the treatment achieved regeneration/revascularization/revitalization. An increase in radiographic root length and/or width is thought to result in a better long-term prognosis...

journal_title：Journal of endodontics

authors： Flake NM,Gibbs JL,Diogenes A,Hargreaves KM,Khan AA

更新日期：2014-01-01 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：:Dentin permeability and hypersensitivity are both reduced when the dentinal tubules are occluded. Previous scanning electron microscopic studies showed that Nd:YAG laser could cause melting of dentin and closure of exposed dentinal tubules without dentin surface cracking. Therefore, the aim of the present study was to...

journal_title：Journal of endodontics

authors： Liu HC,Lin CP,Lan WH

更新日期：1997-11-01 00:00:00

abstract：:The aim of this study was to investigate the extent of calcium ion (Ca(2+)) removal on root dentin after treatment with 1.25% NaOCl, 2.5% NaOCl, 5.25% NaOCl, 2% chlorhexidine (CHX), 2% iodine potassium iodide (IKI), and MTAD in 3 immersion time periods. Extracted human mandibular premolars were bisected longitudinally...

journal_title：Journal of endodontics

authors： Sayin TC,Cehreli ZC,Deniz D,Akcay A,Tuncel B,Dagli F,Gozukara H,Kalayci S

更新日期：2009-02-01 00:00:00

abstract：:The purpose of this study was to compare the in vitro sealing capacity of five materials, each used as a temporary sealing agent for the walking bleach technique. All teeth received traditional biomechanical root canal instrumentation, after which the walking bleach agent was placed in the pulp chamber space. The occl...

journal_title：Journal of endodontics

authors： Hosoya N,Cox CF,Arai T,Nakamura J

更新日期：2000-12-01 00:00:00

abstract：INTRODUCTION:The objective of this study was to compare the outcomes of initial nonsurgical root canal therapy for different tooth types provided by both endodontists and other providers. METHODS:By using an insurance company database, 487,476 initial nonsurgical root canal therapy procedures were followed from the ti...

journal_title：Journal of endodontics

authors： Burry JC,Stover S,Eichmiller F,Bhagavatula P

更新日期：2016-05-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of citric acid and EDTA solutions on the microhardness and the roughness of human root canal dentin. Forty-five human teeth sectioned longitudinally were used. Specimens were randomly divided into three groups of 30 teeth each and were treated as follows: (a) one mo...

journal_title：Journal of endodontics

authors： Eldeniz AU,Erdemir A,Belli S

更新日期：2005-02-01 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:Different single-file systems are available for endodontic treatment; however, comparative studies are scarce. Thus, the present study evaluated bacterial reduction promoted by 2 single-file systems: Wave One (Dentsply Maillefer, Ballaigues, Switzerland) and One Shape (Micromega, Besancon, France). METHOD...

journal_title：Journal of endodontics

authors： Nabeshima CK,Caballero-Flores H,Cai S,Aranguren J,Borges Britto ML,Machado ME

更新日期：2014-12-01 00:00:00

abstract：INTRODUCTION:This in vitro study compared cone-beam computed tomography (CBCT) exam with different voxel sizes with digital periapical radiography in the detection of vertical root fractures in teeth with and without intracanal metallic posts. METHODS:Eighteen single-rooted human teeth were endodontically treated, pre...

journal_title：Journal of endodontics

authors： Junqueira RB,Verner FS,Campos CN,Devito KL,do Carmo AM

更新日期：2013-12-01 00:00:00

abstract：:The effects of various cleaning, chemical disinfection, and sterilization procedures on the cutting efficiency of endodontic instruments Unifile (De Trey, Bois Colombes, France), (Flexofile Maillefer, Ballaigues, Switzerland), and H-File (Maillefer)) were investigated. The cross-infection control treatment procedures ...

journal_title：Journal of endodontics

authors： Haïkel Y,Serfaty R,Bleicher P,Lwin TT,Allemann C

更新日期：1996-12-01 00:00:00

abstract：INTRODUCTION:This study aimed to compare the success rates of direct pulp capping (DPC) by using either ProRoot Mineral Trioxide Aggregate (MTA) or Biodentine in the cariously exposed permanent teeth of 6- to 18-year-old patients. Gray discoloration was also evaluated. METHODS:Fifty-nine cariously exposed permanent te...

journal_title：Journal of endodontics

authors： Parinyaprom N,Nirunsittirat A,Chuveera P,Na Lampang S,Srisuwan T,Sastraruji T,Bua-On P,Simprasert S,Khoipanich I,Sutharaphan T,Theppimarn S,Ue-Srichai N,Tangtrakooljaroen W,Chompu-Inwai P

更新日期：2018-03-01 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：:This study compared the weight and radiographic appearance of Ca(OH)(2) delivered into standardized, minimally and fully prepared canals using (a) an injection system, (b) an endodontic Flex-O file rotated counter-clockwise, (c) a lentulo spiral, and (d) a .04 rotary NiTi file rotated in reverse. Two extracted human s...

journal_title：Journal of endodontics

authors： Simcock RM,Hicks ML

更新日期：2006-07-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate the root canal preparation in flat-oval canals treated with either rotary or self-adjusting file (SAF) by using micro-tomography analysis. METHODS:Forty mandibular incisors were scanned before and after root canal instrumentation with rotary instruments (n = 20) or SA...

journal_title：Journal of endodontics

authors： Versiani MA,Pécora JD,de Sousa-Neto MD

更新日期：2011-07-01 00:00:00

abstract：:Stem cell therapy is a potential strategy to regenerate the dentin-pulp complex, enabling the conservation and restoration of functional teeth. We assessed the efficacy and safety of pulp stem cell transplantation as a prelude before the initiation of clinical trials. Granulocyte-colony stimulating factor (G-CSF) indu...

journal_title：Journal of endodontics

authors： Nakashima M,Iohara K

更新日期：2014-04-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the antimicrobial efficacy of Triphala, green tea polyphenols (GTP), MTAD, and 5% sodium hypochlorite against E. faecalis biofilm formed on tooth substrate. METHODS:Extracted human teeth were biomechanically prepared, vertically sectioned, placed in the tissue cul...

journal_title：Journal of endodontics

authors： Prabhakar J,Senthilkumar M,Priya MS,Mahalakshmi K,Sehgal PK,Sukumaran VG

更新日期：2010-01-01 00:00:00

abstract：INTRODUCTION:Stabilizing sodium hypochlorite (NaOCl) at an alkaline pH is proposed to increase solution stability and tissue dissolution ability; however, a reduction on the flexural strength of dentin discs has been found to be a side effect. This study sought to determine whether a stabilized alkaline NaOCl reduces t...

journal_title：Journal of endodontics

authors： Souza EM,Calixto AM,Lima CN,Pappen FG,De-Deus G

更新日期：2014-10-01 00:00:00

abstract：INTRODUCTION:Root canal therapy is a highly successful in-office treatment and preventive measure against periapical abscesses. Left untreated, periapical abscesses can have serious consequences that can lead to hospitalization. This study observes the trends of hospitalizations attributed to periapical abscesses. MET...

journal_title：Journal of endodontics

authors： Shah AC,Leong KK,Lee MK,Allareddy V

更新日期：2013-09-01 00:00:00

abstract：:Characteristics of cyclooxygenase-2 (COX-2) expressing cells in human dental pulp were immunohistologically studied. Extirpated pulpal tissues from extracted teeth were examined to elucidate the localization and distribution of COX-2. Pulpal tissues were examined by the labeled streptavidin biotin method using specifi...

journal_title：Journal of endodontics

authors： Nakanishi T,Shimizu H,Hosokawa Y,Matsuo T

更新日期：2001-06-01 00:00:00

abstract：:This study evaluated the degree of conversion of one dual-cured resin cement when used to lute fiber posts with different translucencies. To measure the degree of conversion, polyvinylsiloxane molds were prepared to simulate root canals. The posts, Aestheti-Post or Light-Post, were cemented in these molds and, after p...

journal_title：Journal of endodontics

authors： Faria e Silva AL,Arias VG,Soares LE,Martin AA,Martins LR

更新日期：2007-03-01 00:00:00

abstract：PURPOSE:To evaluate in vitro the solubility of the Epiphany endodontic filling material Epiphany (Pentron Clinical Technologies, Wallingford, CT) prepared with its resinous solvent. METHODS:The specimens were prepared in the following experimental conditions: (1) GI, epiphany without photoactivation; (2) GII, Epiphany...

journal_title：Journal of endodontics

authors： Mathias-Junior O,Souza-Gabriel AE,Saraiva Miranda CE,Pécora JD,Correa Silva-Sousa YT,Sousa-Neto MD

更新日期：2009-05-01 00:00:00

abstract：INTRODUCTION:Hydrogen peroxide tooth bleaching is claimed to cause alterations in dental tissue structures. This study investigated the influence of the number of bleaching sessions on pulp tissue in rats. METHODS:Male Wistar rats were studied in 5 groups (groups 1S-5S) of 10 each, which differed by the number (1-5) o...

journal_title：Journal of endodontics

authors： Cintra LT,Benetti F,da Silva Facundo AC,Ferreira LL,Gomes-Filho JE,Ervolino E,Rahal V,Briso AL

更新日期：2013-12-01 00:00:00

abstract：:Advanced glycation end products (AGEs) have been found to play a role in inflammation and vascular complications. The receptor for AGE (RAGE) is expressed on many cells and is up-regulated during inflammation. To date, RAGE expression or its correlation with nuclear factor kappa beta (NF-kappabeta) expression has not ...

journal_title：Journal of endodontics

authors： Crabtree M,Pileggi R,Bhattacharyya I,Caudle R,Perez F,Riley J,Vertucci F,Katz J

更新日期：2008-06-01 00:00:00