The concentration of prostaglandin E2 in human periradicular lesions.

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：: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：: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:The purposes of this retrospective study were to evaluate the clinical and radiographic outcomes of mineral trioxide aggregate apexification and revascularization in nonvital immature permanent teeth and to analyze factors influencing treatment outcome. METHODS:Forty-six cases (29 cases of apexification a...

journal_title：Journal of endodontics

authors： Silujjai J,Linsuwanont P

更新日期：2017-02-01 00:00:00

abstract：INTRODUCTION:The purpose of this in-depth investigation was to identify, clarify, and substantiate clinical terminology relative to apical/periapical/periradicular diagnostic states, which is used routinely in the provision of endodontic care. Furthermore, the information gleaned from this investigation was used to lin...

journal_title：Journal of endodontics

authors： Gutmann JL,Baumgartner JC,Gluskin AH,Hartwell GR,Walton RE

更新日期：2009-12-01 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:During the dental pulp repair process, human dental pulp cells (HDPCs) migrate to injury sites where they may differentiate into odontoblastlike cells. WNT6 plays a role in dental development and can activate a noncanonical pathway including the c-Jun N-terminal kinase (JNK) pathway. The mechanism of WNT6 ...

journal_title：Journal of endodontics

authors： Li R,Wang C,Tong J,Su Y,Lin Y,Zhou X,Ye L

更新日期：2014-07-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to analyze the features of lesions obtained from biopsies at the periapical area of teeth with a radiographic or clinical initial diagnosis of apical periodontitis. METHODS:A retrospective study was conducted on biopsies obtained from 1953-2018 at 3 Brazilian oral and maxillo...

journal_title：Journal of endodontics

authors： Vieira CC,Pappen FG,Kirschnick LB,Cademartori MG,Nóbrega KHS,do Couto AM,Schuch LF,Melo LA,Dos Santos JN,de Aguiar MCF,Vasconcelos ACU

更新日期：2020-04-01 00:00:00

abstract：INTRODUCTION:The pulpal anesthetic success rates for an inferior alveolar nerve block (IANB) alone in patients presenting with symptomatic irreversible pulpitis are less than adequate. Nitrous oxide and clonidine have shown increases in IANB success when administered individually, but their success has not been evaluat...

journal_title：Journal of endodontics

authors： MacDonald E,Drum M,Nusstein J,Fowler S,Beck M,Reader A

更新日期：2020-12-30 00:00:00

abstract：:Pulpitis, external root resorption, and pain may be experienced during orthodontic movement. The use of nonsteroidal anti-inflammatory drugs (NSAIDs) has been suggested to control these changes. The purpose of this study was to observe pulp-dentinal reactions, root resorption, tooth pain, and tooth movement after the ...

journal_title：Journal of endodontics

authors： Villa PA,Oberti G,Moncada CA,Vasseur O,Jaramillo A,Tobón D,Agudelo JA

更新日期：2005-01-01 00:00:00

abstract：INTRODUCTION:The presence of cracks and fractures in teeth can pose difficulties in diagnosis, prognosis assessment, and treatment recommendations. When a tooth has no significant restorations or caries, whereby the pulp is nonvital in the absence of a luxation injury, it is suggested that this necrosis is likely cause...

journal_title：Journal of endodontics

authors： Berman LH,Kuttler S

更新日期：2010-03-01 00:00:00

abstract：:Silicone tubes filled with CRCS, a calcium hydroxide-based cement, were implanted at two different localizations in the right tibias of white male Wistar rats. A similar number of solid silicone rods were implanted in the left tibias of the same animals and were used as inert controls. Fifteen days after implantation ...

journal_title：Journal of endodontics

authors： Guglielmotti MB,Zmener O,Cabrini RL

更新日期：1989-01-01 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 the present study was to evaluate the in vivo antimicrobial activity of 2% chlorhexidine gluconate (FCFRP-USP) used as a root canal irrigating solution in teeth with pulp necrosis and radiographically visible chronic periapical reactions. Culture techniques and measurement of the inhibition zone were used. ...

journal_title：Journal of endodontics

authors： Leonardo MR,Tanomaru Filho M,Silva LA,Nelson Filho P,Bonifácio KC,Ito IY

更新日期：1999-03-01 00:00:00

abstract：INTRODUCTION:This study evaluated the physicochemical, antimicrobial, and biological properties of white mineral trioxide aggregate (MTA) mixed with aqueous and propylene glycol extracts of Arctium lappa L. and Casearia sylvestris Sw. METHODS:The setting-time test was performed according to American Society for Testin...

journal_title：Journal of endodontics

authors： Cavenago BC,Del Carpio-Perochena AE,Ordinola-Zapata R,Estrela C,Garlet GP,Tanomaru-Filho M,Weckwerth PH,de Andrade FB,Duarte MAH

更新日期：2017-05-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to compare the fracture resistance of cast posts versus the fracture resistance of fiber posts by means of meta-analysis when they were used in the restoration of endodontically treated teeth. METHODS:MEDLINE, Cochrane Controlled Trials Register, China National Knowledge Infrastr...

journal_title：Journal of endodontics

authors： Zhou L,Wang Q

更新日期：2013-01-01 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

abstract：:The purpose of this in vitro study was to compare the extrusion of thermoplacticized gutta-percha in teeth instrumented with Profile 0.06 or Profile GT, and obturated with Thermafil Plus and Thermafil GT, respectively. A total of 120, extracted, human maxillary central incisors were divided into four equal groups. Gro...

journal_title：Journal of endodontics

authors： Robinson MJ,McDonald NJ,Mullally PJ

更新日期：2004-06-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate the effect of a range of alkaline pH values on the push-out strength of white mineral trioxide aggregate (WMTA). METHODS:The standardized lumens of root slices prepared from extracted single-rooted human teeth were filled with white ProRoot MTA. The specimens were the...

journal_title：Journal of endodontics

authors： Saghiri MA,Shokouhinejad N,Lotfi M,Aminsobhani M,Saghiri AM

更新日期：2010-11-01 00:00:00

abstract：INTRODUCTION:Irrigation dynamics and antibacterial activity determine the efficacy of root canal disinfection. Sonic or ultrasonic agitation of irrigants is expected to improve irrigation dynamics. This study examined the effects of microbubble emulsion (ME) combined with sonic or ultrasonic agitation on irrigation dyn...

journal_title：Journal of endodontics

authors： Halford A,Ohl CD,Azarpazhooh A,Basrani B,Friedman S,Kishen A

更新日期：2012-11-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate and compare the antimicrobial activity of calcium hydroxide, triantibiotic mixture (TAM), and an ethanol extract of propolis as intracanal medicaments on Enterococcus faecalis-infected root canals. METHODS:One hundred twenty extracted intact human permanent incisors w...

journal_title：Journal of endodontics

authors： Madhubala MM,Srinivasan N,Ahamed S

更新日期：2011-09-01 00:00:00

abstract：INTRODUCTION:The outcome of periapical surgery has been directly improved with the introduction of novel material formulations. The aim of the study was to compare the retrograde obturation quality of the following materials: calcium silicate (Biodentine; Septodont, Saint-Maur-des-Fosses, France), mineral trioxide aggr...

journal_title：Journal of endodontics

authors： Biočanin V,Antonijević Đ,Poštić S,Ilić D,Vuković Z,Milić M,Fan Y,Li Z,Brković B,Đurić M

更新日期：2018-05-01 00:00:00

abstract：:The influence of different obturation techniques (lateral condensation, Obtura, and Thermafil) on root strains was assessed in 27 upper central incisors using strain gauges mounted on the coronal and apical one-thirds of the root surface. The vertical load applied with each obturation technique was also measured. Comp...

journal_title：Journal of endodontics

authors： Saw LH,Messer HH

更新日期：1995-06-01 00:00:00

abstract：:The purpose of this study was to evaluate the strengthening effect of an internal resin bonding technique. One hundred central incisors were endodontically treated and divided equally into five groups. Group 1, without any cervical preparation and with access repaired with bonded resin, served as the positive control....

journal_title：Journal of endodontics

authors： Katebzadeh N,Dalton BC,Trope M

更新日期：1998-04-01 00:00:00

abstract：:The purpose of this in vitro study was to evaluate the accuracy of Root ZX apex locator to determine the working length in teeth with simulated apical root resorption. Fifty extracted, single-rooted, human teeth with mature apices were used in this study. An irregular cavity defect was drilled at the apex of each toot...

journal_title：Journal of endodontics

authors： Goldberg F,De Silvio AC,Manfré S,Nastri N

更新日期：2002-06-01 00:00:00

abstract：:Enterococcus faecalis has been suggested to be an important etiological agent in endodontic failures. The purpose of this study was to evaluate the effectiveness of chlorhexidine- or antibiotics-based medications in eliminating E. faecalis biofilms. One-day and three-day biofilms of E. faecalis were induced on cellulo...

journal_title：Journal of endodontics

authors： Lima KC,Fava LR,Siqueira JF Jr

更新日期：2001-10-01 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：:The aim of this study was to investigate the cytotoxic and nitric oxide (NO)-inducing effects of bismuth oxide (Bi(2)O(3))-containing Portland cement (BPC) on human dental pulp cells. We also assessed whether heme oxygenase-1 (HO-1) is involved in BPC-induced cytotoxicity in dental pulp cells. Cytotoxicity and NO prod...

journal_title：Journal of endodontics

authors： Min KS,Chang HS,Bae JM,Park SH,Hong CU,Kim EC

更新日期：2007-11-01 00:00:00

abstract：:The purpose of this study was to evaluate the number of canals and isthmuses obturated after Cr, Er: YSGG laser treatment. Fifty-two canals were instrumented to a size 40 Profile 0.06 file combined with RC-Prep and sodium hypochlorite, or sterile water. The teeth were divided into 3 groups: (I) canals were flooded wit...

journal_title：Journal of endodontics

authors： Varella CH,Pileggi R

更新日期：2007-09-01 00:00:00

abstract：INTRODUCTION:The improvement of regenerative endodontic procedures requires an understanding of the key clinical questions combined with a fundamental biological knowledge of how the dental tissues behave during health, disease, and repair. Therefore, partnerships between clinicians and basic scientists are essential t...

journal_title：Journal of endodontics

authors： Duncan HF,Cooper PR

更新日期：2020-09-01 00:00:00