Efficacy of several concentrations of sodium hypochlorite for root canal irrigation.

abstract：:Patients with odontogenic cutaneous sinus tracts usually seek treatment from a physician instead of a dentist and the etiology is frequently misdiagnosed. This case report describes a patient who sought treatment from a dentist because of a history of a previous cutaneous swelling on the ipsilateral side of his cheek....

journal_title：Journal of endodontics

authors： Foster KH,Primack PD,Kulild JC

更新日期：1992-06-01 00:00:00

abstract：:The purpose of this study was to evaluate the efficacy of digital subtraction radiography using a direct digital imaging system in the follow-up study of endodontically treated teeth. The RVG-S was used as a direct digital imaging system. The intraimage variation of the original RVG-S image caused by dark current and ...

journal_title：Journal of endodontics

authors： Yoshioka T,Kobayashi C,Suda H,Sasaki T

更新日期：2002-08-01 00:00:00

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 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：:A long-standing lesion associated with an undetected perforation of the furca in a mandibular molar was successfully managed using a multidisciplinary treatment approach. The sequence of therapeutic procedures involved conventional endodontic retreatment, an initial orthograde sealing of the perforation, guided tissue...

journal_title：Journal of endodontics

authors： Goon WW,Lundergan WP

更新日期：1995-11-01 00:00:00

abstract：:The present study evaluates the morphological changes in root canal walls and temperature changes at root surfaces as a result of intracanal irradiation by erbium,chromium:YSGG laser under various conditions in vitro. Sixty single-rooted human teeth were examined. Root canals were prepared, and laser irradiation was p...

journal_title：Journal of endodontics

authors： Yamazaki R,Goya C,Yu DG,Kimura Y,Matsumoto K

更新日期：2001-01-01 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：:This study was conducted to evaluate the influence of immediate versus delayed immersion time, and passive dye immersion versus centrifuged dye on apical leakage measurements. Eighty-four extracted human teeth with single straight canals were instrumented and divided into four experimental groups of 20 teeth each plus...

journal_title：Journal of endodontics

authors： Karagöz-Küçükay I,Küçükay S,Bayirli G

更新日期：1993-07-01 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：:The aim of this study was to evaluate the presence of bacterial biofilm on the external surface of the root apex in teeth with pulp necrosis, with and without radiographically visible periapical lesions, and in teeth with a vital pulp. Twenty-one teeth were extracted, eight with pulp necrosis and periapical lesions, e...

journal_title：Journal of endodontics

authors： Leonardo MR,Rossi MA,Silva LA,Ito IY,Bonifácio KC

更新日期：2002-12-01 00:00:00

abstract：:The effects of parathyroid hormone (PTH), 1,25-dihydroxyvitamin D3, and prostaglandin E2 (PGE2) on alkaline phosphatase activity on cultured dental pulp and gingiva cells of bovine calf were compared. In pulp cells, PTH, 1,25-dihydroxyvitamin D3, and PGE2 significantly increased alkaline phosphatase activity, but no i...

journal_title：Journal of endodontics

authors： Kido J,Ishida H,Nagata T,Hamasaki A,Nishikawa S,Wakano Y

更新日期：1991-04-01 00:00:00

abstract：INTRODUCTION:Osteoporosis is a major systemic disease that can significantly deteriorate the quality of life of the affected individuals. It is more common in women, particularly after menopause. Osteoporosis may be associated with alterations in oral health. Treatment of osteoporotic patients mainly involves the admin...

journal_title：Journal of endodontics

authors： Katz J,Rotstein I

更新日期：2021-02-01 00:00:00

abstract：:This study compared the cytotoxicity of MetaSEAL (Parkell Inc, Farmington, NY), a methacrylate resin-based sealer with an epoxy resin-based (AH Plus Jet; Dentsply Caulk, Milford, DE) and a zinc oxide-eugenol-based sealer (Pulp Canal Sealer; SybronEndo, Orange, CA). Five-millimeter diameter disks prepared from the resp...

journal_title：Journal of endodontics

authors： Pinna L,Brackett MG,Lockwood PE,Huffman BP,Mai S,Cotti E,Dettori C,Pashley DH,Tay FR

更新日期：2008-09-01 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：:Prostaglandins (PG) have been implicated in the genesis of periapical lesions. Periapical specimens from patients with clinical signs and symptoms of chronic and acute apical periodontitis were obtained and immediately frozen in liquid nitrogen. Periradicular tissues from unerupted third molars were frozen and used as...

journal_title：Journal of endodontics

authors： McNicholas S,Torabinejad M,Blankenship J,Bakland L

更新日期：1991-03-01 00:00:00

abstract：:Cyclooxygenase-2 (COX-2) is induced after the activation of cells by a variety of proinflammatory agents. Recently, evidence has shown that COX-2 may play a role in the pathogenesis of pulpal inflammation. However, little is known regarding the mechanism of pulpal inflammation at the site of bacterial infection. The p...

journal_title：Journal of endodontics

authors： Chang YC,Huang FM,Yang SF,Liu CM,Lai CC,Chan Y,Hsieh YS

更新日期：2003-04-01 00:00:00

abstract：INTRODUCTION:The effect of endodontic involvement on tooth loss has not been quantified, so the present study aimed to assess this relationship after controlling for other relevant risk factors for tooth loss. METHODS:We analyzed data from 791 participants (18,798 teeth) in the Veterans Affairs Dental Longitudinal Stu...

journal_title：Journal of endodontics

authors： Zhong Y,Garcia R,Kaye EK,Cai J,Kaufman JS,Trope M,Wilcosky T,Caplan DJ

更新日期：2010-12-01 00:00:00

abstract：INTRODUCTION:We performed a micro-computed tomographic assessment of the preparation of moderately single- and double-curved root canals using 3 single-file reciprocating nickel-titanium systems: S1 Plus Standard (Sendoline, Täby, Sweden), WaveOne Gold Primary (Dentsply Sirona, Ballaigues, Switzerland), and Reciproc R2...

journal_title：Journal of endodontics

authors： Haupt F,Pult JRW,Hülsmann M

更新日期：2020-08-01 00:00:00

abstract：:Forty freshly extracted human teeth were biomechanically prepared for endodontic obturation using a radioisotopically labeled EDTA-urea peroxide-Carbowax compound. The amount of radiolabeled mixture remaining in the canals after through cleansing was about 3.8% of that originally applied. The amount of residue did not...

journal_title：Journal of endodontics

authors： Zurbriggen T,del Rio CE,Brady JM

更新日期：1975-09-01 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：:Little is known about the effect of aging on characteristic functions of pulp cells. When damaged pulp is recovered and mineralized tissue is formed to protect remaining pulp tissue, the general responses of pulp tissue after adequate stimuli (pulp cell proliferation and activation of alkaline phosphatase [ALPase]) ar...

journal_title：Journal of endodontics

authors： Shiba H,Nakanishi K,Rashid F,Mizuno N,Hino T,Ogawa T,Kurihara H

更新日期：2003-01-01 00:00:00

abstract：:Adsorption of some paraformaldehyde was noted in a previous study evaluating its sterilizing effect on gutta-percha (GP). This study examined histologically the effect of this adsorption when formaldehyde-exposed GP was implanted into the subcutaneous connective tissue of rats. GP implants were prepared in cylinder sh...

journal_title：Journal of endodontics

authors： Cleary PT,Newton CW,Morrison SW,Kafrawy AH

更新日期：1992-02-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to determine the variations in root canal length (RCL) occurring during endodontic treatment stages (initial, preflared, and concluded) and correlate them with the accuracy of Root ZX II (RZX). METHODS:After coronal access, 26 mandibular molars had the apical foramen of the 52 me...

journal_title：Journal of endodontics

authors： Vasconcelos BC,Bastos LM,Oliveira AS,Bernardes RA,Duarte MA,Vivacqua-Gomes N,Vivan RR

更新日期：2016-11-01 00:00:00

abstract：:Black-pigmented bacteria (BPB) have been associated with endodontic infections. The purpose of this study was to evaluate further the presence of BPB with the clinical signs and symptoms associated with endodontic infections. Microbial samples were collected from the root canals of 40 intact teeth with necrotic pulps ...

journal_title：Journal of endodontics

authors： Baumgartner JC,Watkins BJ,Bae KS,Xia T

更新日期：1999-06-01 00:00:00

abstract：:A comparison was made of the apical leakage of three sealers. Fifty single-root human teeth were randomly divided into 5 groups (n = 10; 3 experimental and 2 control). The teeth of the positive-control and experimental groups were instrumented with K-type files to size 45. The experimental groups were obturated by lat...

journal_title：Journal of endodontics

authors： Lucena-Martín C,Ferrer-Luque CM,González-Rodríguez MP,Robles-Gijón V,Navajas-Rodríguez de Mondelo JM

更新日期：2002-06-01 00:00:00

abstract：:The state of contamination by methicillin-resistant Staphylococci, including methicillin-resistant Staphylococcus aureus (MRSA) at the conservative dentistry section of the School of Dentistry, Aichi-Gakuin University, was investigated. Methicillin-resistant coagulase-negative Staphylococci (MRCNS) were detected in 8 ...

journal_title：Journal of endodontics

authors： Horiba N,Yoshida T,Suzuki K,Maekawa Y,Ito M,Matsumoto T,Nakamura H

更新日期：1995-01-01 00:00:00

abstract：:Removing posts from root canals prior to endodontic retreatment is often a challenge. The Gonon post removing system (Thomas Extracteur De Pivots; FFDM-Pneumat, Bourges, France) is safe and efficient and can be used for anterior, bicuspid, and even molar teeth. The Gonon system is illustrated with one clinical case. ...

journal_title：Journal of endodontics

authors： Machtou P,Sarfati P,Cohen AG

更新日期：1989-11-01 00:00:00

abstract：:The aim of this study was to evaluate the time required by four different root canal medications coupled with the temporary filling material Cavit (ESPE, Seefeld, Germany) to prevent penetration of bacteria into the root canal. There were 145 roots prepared in a standardized manner. Four groups with 15 samples each we...

journal_title：Journal of endodontics

authors： Barthel CR,Zaritzki FF,Raab WH,Zimmer S

更新日期：2006-02-01 00:00:00

abstract：:In this study, cell reaction after exposure to several dental cements was determined using a dentin barrier test device. The reaction of mouse fibroblasts grown on the "pulpal" side of a bovine dentin disk was determined after exposure to dental cements applied on the "cavity" side of the disk. For pretreatment, denti...

journal_title：Journal of endodontics

authors： Schmalz G,Schweikl H,Esch J,Hiller KA

更新日期：1996-03-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate the accuracy of cone-beam computed tomographic (CBCT) to measure dentin thickness and its potential of predicting the remaining dentin thickness after the removal of fractured instrument fragments. METHODS:Twenty-three human mandibular molars were selected, and 4-...

journal_title：Journal of endodontics

authors： Xu J,He J,Yang Q,Huang D,Zhou X,Peters OA,Gao Y

更新日期：2017-09-01 00:00:00