Three computer methods to reconstruct pulpal blood vessels and nerves.

abstract：:The purposes of this study were to determine quantitatively the amount of debris and irrigant forced in an apical direction, the frequency of apical plug development, and the time required to prepare canals when a step-back technique using K-files was compared with the .04 Taper system. Sixty-nine extracted teeth with...

journal_title：Journal of endodontics

authors： Beeson TJ,Hartwell GR,Thornton JD,Gunsolley JC

更新日期：1998-01-01 00:00:00

abstract：:The purpose of this study was to evaluate the influence of Hero 642 rotary Ni-Ti instruments driven at 300, 400, or 600 rpm on root canal straightening, loss of working length, and instrument breakage. Sixty mesial root canals from extracted human mandibular molars were divided into 3 groups of 20 each and were instru...

journal_title：Journal of endodontics

authors： Karagöz-Küçükay I,Ersev H,Engin-Akkoca E,Küçükay S,Gürsoy T

更新日期：2003-07-01 00:00:00

abstract：:Various cells and inflammatory mediators are involved in the initial pulpal responses to caries. This review focuses on the cellular, neuronal, and vascular components of pulpal innate responses to caries. Discussion will include dentinal fluid, odontoblasts, neuropeptides, and neurogenic inflammation, which are not c...

journal_title：Journal of endodontics

authors： Hahn CL,Liewehr FR

更新日期：2007-06-01 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：:In the present study, we used Fos expression as an index of nociceptive input to the spinal trigeminal nucleus after exposure of the coronal pulp tissue of maxillary right first molars and examined the effects of pretreatment with an opioid, a nonsteroidal anti-inflammatory drug or a local anesthetic before pulp expos...

journal_title：Journal of endodontics

authors： Locher-Claus MT,Erickson TE,Law AS,Johnson WT,Gebhart GF

更新日期：2005-08-01 00:00:00

abstract：INTRODUCTION:Instrumentation of the mesial root canal system of mandibular molars may hinder disinfection by packing hard tissue debris within the isthmuses. The removal of accumulated hard tissue debris (AHTD) by 3 supplemental irrigation systems, 2 ultrasonically activated and 1 multisonic, was assessed with micro-co...

journal_title：Journal of endodontics

authors： Chan R,Versiani MA,Friedman S,Malkhassian G,Sousa-Neto MD,Leoni GB,Silva-Sousa YTC,Basrani B

更新日期：2019-07-01 00:00:00

abstract：INTRODUCTION:Revascularization is a valuable treatment in immature necrotic teeth that allows the continuation of root development. In this article we describe successful revascularization treatment of 2 necrotic immature first mandibular molars. METHODS:The clinical and radiographic examinations showed extensive coro...

journal_title：Journal of endodontics

authors： Nosrat A,Seifi A,Asgary S

更新日期：2011-04-01 00:00:00

abstract：INTRODUCTION:The purpose of this investigation was to determine the effect that apical preparation size and preparation taper have on the volume of irrigant delivered at the working length for different canal curvatures using apical negative pressure irrigation. METHODS:One hundred fifty-five human teeth (55 maxillary...

journal_title：Journal of endodontics

authors： de Gregorio C,Arias A,Navarrete N,Del Rio V,Oltra E,Cohenca N

更新日期：2013-01-01 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

abstract：INTRODUCTION:The aim of this study was to determine the prevalence and characteristics of postoperative pain after endodontic microsurgery and to identify potential predictors for severe pain. METHODS:One hundred seventy-three patients who underwent endodontic microsurgery at a private practice were included in the st...

journal_title：Journal of endodontics

authors： Malagise CJ,Khalighinejad N,Patel YT,Jalali P,He J

更新日期：2020-12-23 00:00:00

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 determine the influence of operator experience on the ability to locate and fill extra canals in maxillary first and second molars in vivo. The number of canals located and filled from maxillary first and second molars was recorded from three endodontic residents during the first 6 mon...

journal_title：Journal of endodontics

authors： Corcoran J,Apicella MJ,Mines P

更新日期：2007-01-01 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：INTRODUCTION:Cone-beam computed tomographic (CBCT) imaging is a valuable tool for endodontic therapy. The aim of this study was to verify whether clinical use of CBCT imaging can accurately acquire parameters concerning molar pulp chamber landmarks, which are important data to help start a successful access cavity and ...

journal_title：Journal of endodontics

authors： Azim AA,Azim KA,Deutsch AS,Huang GT

更新日期：2014-09-01 00:00:00

abstract：:Dental pulp is a soft mesenchymal tissue densely innervated by afferent (sensory) fibers, sympathetic fibers, and parasympathetic fibers. This complexity in pulp innervation has motivated numerous investigations regarding how these 3 major neuronal systems regulate pulp physiology and pathology. Most of this research ...

journal_title：Journal of endodontics

authors： Caviedes-Bucheli J,Muñoz HR,Azuero-Holguín MM,Ulate E

更新日期：2008-07-01 00:00:00

abstract：:Bisphosphonates are commonly used in medicine to maintain bone density in patients with certain nonneoplastic diseases or cancers. A serious adverse effect of bisphosphonates that has substantial dental significance is osteonecrosis that appears to uniquely affect the mandible and maxilla without occurring in other bo...

journal_title：Journal of endodontics

authors： Katz H

更新日期：2005-11-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to compare the ability of MTA (Dentsply Maillefer, Tulsa, OK) and EndoSequence Root Repair Material (ESRRM; Brasseler USA, Savannah, GA) to set in the presence of human blood and minimal essential media. METHODS:A model was created using polymethyl methacrylate blocks each pr...

journal_title：Journal of endodontics

authors： Charland T,Hartwell GR,Hirschberg C,Patel R

更新日期：2013-08-01 00:00:00

abstract：:This in vitro study compared the accuracy of file length measurements made on calibrated and uncalibrated direct digital images. Endodontic files of known lengths and ISO sizes were used in 10 single-rooted, relatively straight teeth within cadaver specimens. The crowns of the teeth were ground flat and an orthodontic...

journal_title：Journal of endodontics

authors： Loushine RJ,Weller RN,Kimbrough WF,Potter BJ

更新日期：2001-12-01 00:00:00

abstract：:This study evaluated the effect of three post surface treatments on quartz-fiber post (a) retention and (b) morphology. A control group was not treated. Different treatments were performed for the other posts: silanization; etching by hydrofluoric acid 9.5%; sandblasting with 50 microm Al2O3. Two specimens of each gro...

journal_title：Journal of endodontics

authors： D'Arcangelo C,D'Amario M,Prosperi GD,Cinelli M,Giannoni M,Caputi S

更新日期：2007-03-01 00:00:00

abstract：:A case is presented in which a previous partial root canal treatment on a mandibular molar developed internal resorption of the distal canal. The case was followed at the University of Oklahoma student clinic and endodontic treatment completed in the mesial canals, with calcium hydroxide placed in the distal canal for...

journal_title：Journal of endodontics

authors： Benenati FW

更新日期：2001-07-01 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:Clinicians commonly mix mineral trioxide aggregate (MTA) to a desired consistency rather than use the recommended amounts of powder and water. The purpose of this in vitro study was to evaluate how varying the water-to-powder (WP) ratio affects the setting expansion of white MTA (WMTA) and gray MTA (GMTA)....

journal_title：Journal of endodontics

authors： Hawley M,Webb TD,Goodell GG

更新日期：2010-08-01 00:00:00

abstract：INTRODUCTION:Buffered local anesthetics have not been studied for incision and drainage procedures in dentistry. The purpose of this prospective, randomized, double-blind study was to compare the pain of infiltration and pain of an incision and drainage procedure by using a buffered versus a nonbuffered 2% lidocaine wi...

journal_title：Journal of endodontics

authors： Balasco M,Drum M,Reader A,Nusstein J,Beck M

更新日期：2013-11-01 00:00:00

abstract：INTRODUCTION:This retrospective cohort study aimed to observe the incidence of pulpitis and necrosis in teeth with cracks that were not endodontically treated. METHODS:One hundred eighty-four patients with 199 cracked teeth that were diagnosed with reversible pulpitis and were treated from January 2010 to December 201...

journal_title：Journal of endodontics

authors： Wu S,Lew HP,Chen NN

更新日期：2019-05-01 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：:Endodontic fillings were challenged with bacterial ingress in mandibular premolars of 4 beagle dogs. Groups 1, 2, and 3 (n = 9), had canals filled with gutta-percha and sealer, gutta-percha alone, and sealer alone, respectively. After 2 wk, pulp chambers were inoculated with plaque. Group 4 (n = 9) and group 5 (n = 5)...

journal_title：Journal of endodontics

authors： Friedman S,Torneck CD,Komorowski R,Ouzounian Z,Syrtash P,Kaufman A

更新日期：1997-09-01 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: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: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：:The purpose of this in vitro study was to evaluate quantitatively the ability of four different filling materials to seal the orifices of root canals as a secondary seal after root canal therapy. Forty extracted human molar teeth were used. The top of pulp chambers and distal halves of the roots were removed using an ...

journal_title：Journal of endodontics

authors： Belli S,Zhang Y,Pereira PN,Pashley DH

更新日期：2001-08-01 00:00:00