Effect of the wicking behavior of multifilament sutures.

abstract：:This study investigated the sealing properties of cold laterally compacted gutta percha and Thermafil applied over different apically fractured rotary nickel-titanium files. Extracted human premolars were prepared by using ProTaper (Dentsply-Maillefer, Ballaigues, Switzerland) or ProFile (Dentsply-Maillefer) systems (...

journal_title：Journal of endodontics

authors： Altundasar E,Sahin C,Ozcelik B,Cehreli ZC

更新日期：2008-02-01 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:Calcium hydroxide has been used as a traditional pulpotomy agent for a long time but has some disadvantages. iRoot BP Plus (Innovative Bioceramix Inc, Vancouver, Canada) is a newly developed, ready-to-use calcium silicate-based bioactive ceramic with excellent bioactivity and sealing ability. However, whet...

journal_title：Journal of endodontics

authors： Rao Q,Kuang J,Mao C,Dai J,Hu L,Lei Z,Song G,Yuan G

更新日期：2020-03-01 00:00:00

abstract：INTRODUCTION:Apical periodontitis is an inflammation and destruction of periapical tissues. Matrix metalloproteinase-9 (MMP-9) is thought to be involved in periapical lesion formation and progression. The aim of this study was to evaluate the lesion progression in MMP-9 knockout (KO) mice compared with that in control ...

journal_title：Journal of endodontics

authors： Wan C,Yuan G,Yang J,Sun Q,Zhang L,Zhang J,Zhang L,Chen Z

更新日期：2014-05-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to compare the accuracy of the Root ZX II Apex Locator (RZX), the Elements Apex Locator (ELE), and the Precision Apex Locator (PAL). METHODS:Forty single-rooted extracted teeth were decoronated and the root canals coronally flared. Actual canal lengths were determined by inse...

journal_title：Journal of endodontics

authors： Guise GM,Goodell GG,Imamura GM

更新日期：2010-02-01 00:00:00

abstract：:Microbial control--fundamental to healing of apical periodontitis--is central to endodontic practice. The effectiveness of antibacterial measures is generally monitored (in clinical research studies) by microbiological root canal sampling (MRS), which is often used as a predictor for healing. This article addresses th...

journal_title：Journal of endodontics

authors： Sathorn C,Parashos P,Messer HH

更新日期：2007-03-01 00:00:00

abstract：:Strippings are problems that are frequent on thin and concave roots. Treatment and prognosis differ from that of a lateral root perforation because of the size, oval shape, and thin edges of the striping. We propose a two-step technique: an endodontic phase in which the root canal system is sealed with gutta-percha ov...

journal_title：Journal of endodontics

authors： Allam CR

更新日期：1996-12-01 00:00:00

abstract：INTRODUCTION:It has been widely accepted that dental pulp stem cells (DPSCs), which are a class of self-renewal and differentiation potential of adult stem cells, play an important role in the repair procession of pulp's inflammation. We investigated whether tumor necrosis factor alpha (TNF-α) could induce the prolifer...

journal_title：Journal of endodontics

authors： Qin Z,Li Y,Li Y,Liu G

更新日期：2015-07-01 00:00:00

abstract：:The endodontic endosseous implant (EEI) enjoyed wide use in the United States after it was introduced in the 1960's. For various reasons including incorrect case selection, improper use of the materials, and poor preparation for the implant a high number of failures resulted. Following opposition by some members of th...

journal_title：Journal of endodontics

authors： Weine FS,Frank AL

更新日期：1993-10-01 00:00:00

abstract：:Teeth are vital sensory organs that contribute to our daily activities of living. Unfortunately, teeth can be lost for several reasons including trauma, caries, and periodontal disease. Although dental trauma injuries and caries are more frequently encountered in a younger population, tooth loss because of periodontal...

journal_title：Journal of endodontics

authors： Clark D,Levin L

更新日期：2019-12-01 00:00:00

abstract：:Apical periodontitis was induced in Wistar rats by exposing the pulp chamber of right mandibular first molars to the oral environment. Animals were killed 0, 5, 10, 15, 20, 30, 60, and 80 days after lesion induction. Microradiographic and automated image analysis showed that the lesions expanded significantly in a tim...

journal_title：Journal of endodontics

authors： Lin SK,Hong CY,Chang HH,Chiang CP,Chen CS,Jeng JH,Kuo MY

更新日期：2000-06-01 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：INTRODUCTION:The aim of this study was to analyze and characterize root canal morphology of mandibular molars of the Brazilian population by using cone-beam computed tomography (CBCT). METHODS:Patients who required CBCT radiographic examinations as part of their routine examination, diagnosis, and treatment planning w...

journal_title：Journal of endodontics

authors： Silva EJ,Nejaim Y,Silva AV,Haiter-Neto F,Cohenca N

更新日期：2013-07-01 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

abstract：INTRODUCTION:Fusion is a rare occurrence, and its definitive diagnosis is of prime importance for successful root canal treatment. This case report discusses the endodontic management of a supernumerary tooth fused with a right maxillary first molar by using cone-beam computed tomography (CBCT). METHODS:Nonsurgical en...

journal_title：Journal of endodontics

authors： Song CK,Chang HS,Min KS

更新日期：2010-11-01 00:00:00

abstract：:Intracoronal bleaching of pulpless teeth with 30% hydrogen peroxide may result in external cervical root resorption. One of several suggested etiological factors associated with this complication is the pH of the bleaching materials. Because the available data on the pH values of bleaching materials were conflicting, ...

journal_title：Journal of endodontics

authors： Rotstein I,Friedman S

更新日期：1991-08-01 00:00:00

abstract：INTRODUCTION:This study intended to evaluate the angiogenic properties of vital pulp therapy materials including white mineral trioxide aggregate (WMTA), calcium hydroxide (Ca[OH]2), Geristore (Den-Mat, Santa Maria, CA), and nano WMTA biomaterials. METHODS:WMTA, Ca(OH)2, Geristore, and nano WMTA disks were prepared, d...

journal_title：Journal of endodontics

authors： Saghiri MA,Asatourian A,Nguyen EH,Wang S,Sheibani N

更新日期：2018-05-01 00:00:00

abstract：INTRODUCTION:Many anatomical variations can occur within the mandibular first molar. Commonly, 3-4 canals are located, but as many as 6-7 canals have been reported. METHODS:This report describes a case of a mandibular first molar with 6 separate canals (3 mesial and 3 distal) that was instrumented with conventional ha...

journal_title：Journal of endodontics

authors： Ryan JL,Bowles WR,Baisden MK,McClanahan SB

更新日期：2011-06-01 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：:The purpose of this study was to evaluate the effect of different irrigating solutions on smear layer removal and dentinal tubule opening on root canal surfaces after post space preparation and to study whether additional ultrasonic irrigation has any effect on smear layer removal. Forty-eight anterior teeth were trea...

journal_title：Journal of endodontics

authors： Gu XH,Mao CY,Kern M

更新日期：2009-04-01 00:00:00

abstract：:This study evaluated the sealing ability of fast and regular set Super-EBA with different powder-to-liquid ratios as a root-end filling material. Fifty extracted maxillary central incisors were uniformly cleaned and shaped using a crown-down technique with Gates-Glidden drills and Profile series 29.04 taper rotary ins...

journal_title：Journal of endodontics

authors： Yaccino JM,Walker WA 3rd,Carnes DL Jr,Schindler WG

更新日期：1999-08-01 00:00:00

abstract：:The purpose of the present study was to investigate the effect of laser irradiation on calcified nodule formation in human dental pulp (HDP) cells. HDP cells were irradiated once with a Ga-Al-As laser for 5 and 10 min, and calcified nodule formation was determined by von Kossa staining. The laser irradiation increased...

journal_title：Journal of endodontics

authors： Ohbayashi E,Matsushima K,Hosoya S,Abiko Y,Yamazaki M

更新日期：1999-01-01 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：INTRODUCTION:Newer antibacterial alternatives such as chitosan nanoparticles (CSnps) and photodynamic therapy (PDT) have been investigated to achieve effective root canal disinfection. The current study aims to assess the effect of various tissue inhibitors such as dentin, dentin matrix, pulp tissue, bacterial lipopoly...

journal_title：Journal of endodontics

authors： Shrestha A,Kishen A

更新日期：2012-09-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate and compare the resistance to cyclic fatigue of the new One Curve (OC) instrument in double (S-shaped) and single curvature canals compared with other nickel-titanium rotary instruments. METHODS:Size 25/.06 of OC, 2Shape (TS), Vortex Blue (VB), ProFile Vortex (PV), an...

journal_title：Journal of endodontics

authors： Elnaghy AM,Elsaka SE

更新日期：2018-11-01 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：INTRODUCTION:Surgical interventions such as tooth extraction increase the chances of developing osteonecrosis of the jaw in patients receiving bisphosphonates (BPs) for the treatment of bone-related diseases. Tooth extraction is often performed to eliminate preexisting pathological inflammatory conditions that make the...

journal_title：Journal of endodontics

authors： Song M,Alshaikh A,Kim T,Kim S,Dang M,Mehrazarin S,Shin KH,Kang M,Park NH,Kim RH

更新日期：2016-11-01 00:00:00

abstract：:Cells expressing interleukin-1 (IL-1) were examined in rat periapical lesions using immunohistochemical methods. During the acute phase, both IL-1 alpha- and IL-1 beta-expressing cells were observed adjacent to many osteoclasts that contained large cytoplasms, and consequently the periapical lesions tended to expand. ...

journal_title：Journal of endodontics

authors： Matsumoto A,Anan H,Maeda K

更新日期：1998-12-01 00:00:00

abstract：:Twenty-five extracted human maxillary central incisors were randomly divided into five equal groups. Crowns were removed 1 mm incisal to the cementoenamel junction. Endodontic treatment was carried out and each tooth was affixed with two strain gauges. The strain gauge wires were connected to a Wheatstone Bridge circu...

journal_title：Journal of endodontics

authors： Ross RS,Nicholls JI,Harrington GW

更新日期：1991-09-01 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