Evaluation of the controlled placement of injected thermoplasticized gutta-percha.

abstract：INTRODUCTION:The purpose of this study was to establish a stable experimental mice pulpal inflammatory model and to evaluate inflammatory reactions of pulpal tissue after pulpal exposure. METHODS:Pulpal inflammation was induced in 80 C57BL/6 mice by occlusal exposure of the pulp of the maxillary first molar. The mice ...

journal_title：Journal of endodontics

authors： He Y,Gan Y,Lu J,Feng Q,Wang H,Guan H,Jiang Q

更新日期：2017-01-01 00:00:00

abstract：INTRODUCTION:This study aimed at evaluating the bond strength to root dentin of 2 mineral trioxide aggregate (MTA)-based sealers (Endo-CPM sealer and MTA Fillapex) and of 1 epoxy resin-based sealer (AH Plus sealer). METHODS:Forty-five extracted human teeth with single roots were prepared by using the step-back techniq...

journal_title：Journal of endodontics

authors： Assmann E,Scarparo RK,Böttcher DE,Grecca FS

更新日期：2012-02-01 00:00:00

abstract：INTRODUCTION:Squamous odontogenic tumor-like epithelial islands occurring in the walls of odontogenic cysts are histologically identical to the squamous odontogenic tumor (SOT). Microscopically, the squamous odontogenic tumor-like proliferations (SOTLPs) share certain histologic features with SOT, acanthomatous and des...

journal_title：Journal of endodontics

authors： Parmar RM,Brannon RB,Fowler CB

更新日期：2011-05-01 00:00:00

abstract：INTRODUCTION:There are no long-term, prospective clinical studies assessing outcomes of endodontically treated cracked teeth with radicular extensions. The purpose of this prospective study was to examine the 2- to 4-year success and survival rates of endodontically treated, coronally restored, cracked teeth, specifica...

journal_title：Journal of endodontics

authors： Davis MC,Shariff SS

更新日期：2019-07-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate and compare, clinically and radiographically, the effects of platelet-rich fibrin (PRF) and mineral trioxide aggregate (MTA) as pulpotomy agents in permanent teeth with incomplete root development. METHODS:A total number of 70 children requiring pulpotomy in 70 pe...

journal_title：Journal of endodontics

authors： Keswani D,Pandey RK,Ansari A,Gupta S

更新日期：2014-05-01 00:00:00

abstract：INTRODUCTION:Long-term predictability of restored endodontically treated teeth is important for the decision of tooth retention versus extraction and implant placement. The purpose of this study was to validate the hypothesis that preoperative factors can predict the long-term prognosis of molars requiring endodontic a...

journal_title：Journal of endodontics

authors： Setzer FC,Boyer KR,Jeppson JR,Karabucak B,Kim S

更新日期：2011-01-01 00:00:00

abstract：:The objective of the present study was to investigate the presence of nine bacterial species in root-filled teeth associated with periapical lesions using a polymerase chain reaction analysis and to correlate these species with clinical features of the cases. DNA was extracted from 45 canal samples of root-filled teet...

journal_title：Journal of endodontics

authors： Gomes BP,Pinheiro ET,Jacinto RC,Zaia AA,Ferraz CC,Souza-Filho FJ

更新日期：2008-05-01 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：:Periapical lesions usually are caused by root canal infection; nevertheless, other pathologies may eventually involve the tooth apex, making the correct diagnosis more difficult. Glandular odontogenic cysts (GOCs) are uncommon and, despite their cystic nature, may present an aggressive behavior and a high recurrence r...

journal_title：Journal of endodontics

authors： de Freitas Silva BS,Yamamoto-Silva FP,Sena-Filho M,Silva Sant'Ana SS,Mariano-Júnior WJ,de Almeida OP,Estrela C

更新日期：2017-11-01 00:00:00

abstract：:Etch-and-rinse adhesives can cause vasorelaxation via mechanisms occurring in the endothelium and smooth muscle, including the release of nitric oxide (NO). This effect might promote or aggravate bleeding if such adhesives are placed inadvertently on iatrogenic pulp microexposures. The present study assessed the vasoa...

journal_title：Journal of endodontics

authors： Basak F,Vural IM,Kaya E,Ulku C,Guven G,Cehreli SB,Cehreli ZC,Seyrek M,Yildiz O

更新日期：2008-10-01 00:00:00

abstract：INTRODUCTION:Apical surgery is frequently indicated in maxillary first molars. Occasionally, a vascular anastomosis in the lateral maxillary sinus wall can be observed during surgery. The aim of this study was to examine the distance between the vascular bone channel (VBC) and the root apices of maxillary first molars ...

journal_title：Journal of endodontics

authors： Bischof FM,Bornstein MM,Suter VGA,Lello RIE,von Arx T

更新日期：2019-12-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to assess temperature changes in conventional gutta-percha, thermoplastic gutta-percha, and Resilon cones by using thermomechanical compaction technique. METHODS:The root canals of extracted human teeth were placed in resin blocks and sectioned. After root canal preparation, cavi...

journal_title：Journal of endodontics

authors： Sant'Anna-Júnior A,Tanomaru-Filho M,Hungaro Duarte MA,Santos Nunes Reis JM,Guerreiro-Tanomaru JM

更新日期：2009-06-01 00:00:00

abstract：:The aim of this study was to describe a guided endodontic technique that facilitates access to root canals of molars presenting with pulp calcifications. A 61-year-old woman presented to our service with pain in the upper left molar region. The second and third left molars showed signs of apical periodontitis confirme...

journal_title：Journal of endodontics

authors： Lara-Mendes STO,Barbosa CFM,Santa-Rosa CC,Machado VC

更新日期：2018-05-01 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：INTRODUCTION:The dental pulp is highly vascularized and innervated tissue that is uniquely designed, being highly biologically active, while being enclosed within the calcified structure of the tooth. It is well-established that the dental pulp vasculature is a key requirement for the functional performance of the toot...

journal_title：Journal of endodontics

authors： Bertassoni LE

更新日期：2020-09-01 00:00:00

abstract：:The oral region comprises 1% of the total body area, yet it accounts for 5% of all bodily injuries. In preschool children, oral injuries make up as much as 17% of all bodily injuries. The incidence of traumatic dental injuries is 1%-3%, and the prevalence is steady at 20%-30%. The annual cost of treatment is US $2-$5 ...

journal_title：Journal of endodontics

authors： Andersson L

更新日期：2013-03-01 00:00:00

abstract：:The sealing properties of three temporary restorative materials, Cavit, IRM, and a polycarboxylate-based cement, Ultratemp Firm, were investigated in vitro. Standardized access cavities were prepared in 45, intact, extracted, human molars. The teeth were randomly assigned to three groups and the access openings filled...

journal_title：Journal of endodontics

authors： Zmener O,Banegas G,Pameijer CH

更新日期：2004-08-01 00:00:00

abstract：OBJECTIVES:Dentists can choose between metal and fiber post systems to provide post-retained restorations. The risk of tooth loss and other complications differs between different post systems, as do the initial treatment costs. We aimed to assess the cost-effectiveness of (1) cast metal (MC), (2) preformed metal (MP),...

journal_title：Journal of endodontics

authors： Schwendicke F,Stolpe M

更新日期：2017-05-01 00:00:00

abstract：INTRODUCTION:Issues pertaining to the effective elimination of bacterial biofilm and disruption of biofilm structure still remains in endodontic disinfection. Nanoparticulates such as chitosan (CS-np) and zinc oxide (ZnO-np) are known to possess significant antibacterial properties. This study aimed to test (1) the eff...

journal_title：Journal of endodontics

authors： Shrestha A,Shi Z,Neoh KG,Kishen A

更新日期：2010-06-01 00:00:00

abstract：INTRODUCTION:This study addressed the following population, intervention, comparator, outcome, timing, study design and setting question: in patients with preoperative pain who undergo single-visit nonsurgical endodontic treatment, what is the comparative efficacy of corticosteroids compared with other analgesics or pl...

journal_title：Journal of endodontics

authors： Suneelkumar C,Subha A,Gogala D

更新日期：2018-09-01 00:00:00

abstract：INTRODUCTION:This finite element analysis study was aimed at evaluating the effects of rotary systems on stresses in photopolymerized resin root models with oval-shaped canals. METHODS:Among the data collected by computed tomographic imaging, a mandibular second premolar tooth with an oval-shaped canal was selected, r...

journal_title：Journal of endodontics

authors： Eken R,Sen OG,Eskitascioglu G,Belli S

更新日期：2016-08-01 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：:Root resorption after replantation of mature permanent dog incisors was examined by scanning electron microscopy. Three groups consisting of three extracted teeth each were kept in a saline solution for 5, 30, and 120 min before replantation. The first group was replanted with the pulp intact. The second and third gro...

journal_title：Journal of endodontics

authors： Günday M,Sazak H,Türkmen C

更新日期：1995-05-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to examine the effect of pulp cell injection on host angiogenesis during wound healing. METHODS:Pulp cells were isolated from extracted premolars by the outgrowth method. Fluorescently labeled pulp cells or phosphate-buffered saline were locally injected into a mouse wound healin...

journal_title：Journal of endodontics

authors： Yang H,Shin S,Ahn J,Choi Y,Kim KH,Chung CJ

更新日期：2013-06-01 00:00:00

abstract：INTRODUCTION:The aim was to present a novel surgical technique using virtually preplanned 3-dimensional (3D)-printed templates for guided osteotomies. These were to ensure atraumatic uncovering of a severely impacted donor tooth including guided drilling of the recipient alveolus followed by a secure autotransplantatio...

journal_title：Journal of endodontics

authors： Strbac GD,Schnappauf A,Bertl MH,Vasak C,Ulm C,Giannis K

更新日期：2020-07-29 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：INTRODUCTION:This study assessed apical extrusion during treatment with GentleWave (GW; Sonendo Inc, Laguna Hills, CA), a conventional open-ended 30-G needle (CN), or Endovac (EV; SybronEndo, Orange, CA) in root canals enlarged to different dimensions with and without apical constriction. METHODS:Sixteen mandibular mo...

journal_title：Journal of endodontics

authors： Charara K,Friedman S,Sherman A,Kishen A,Malkhassian G,Khakpour M,Basrani B

更新日期：2016-01-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to compare digital periapical and cone-beam computed tomography (CBCT) images to determine the number of canals in the mesiobuccal root of maxillary molars and to compare these counts with micro computed tomography (μCT), which was also used to determine canal configuration. ...

journal_title：Journal of endodontics

authors： Domark JD,Hatton JF,Benison RP,Hildebolt CF

更新日期：2013-07-01 00:00:00

abstract：:The aim of this laboratory based study was to determine the shaping ability of Lightspeed nickel-titanium rotary instruments in simulated root canals. A total of 40 canals with four different shapes in terms of angle and position of curve were prepared with Lightspeed instruments using the stepback technique recommend...

journal_title：Journal of endodontics

authors： Thompson SA,Dummer PM

更新日期：1997-12-01 00:00:00

abstract：INTRODUCTION:The aim of the present study was to assess the bond strength of root fillings in oval-shaped canals prepared with the self-adjusting file (SAF) system. METHODS:A careful specimen selection resulted in 2 equal groups, each consisting of 12 extracted mandibular canines with oval canals that had vital pulps ...

journal_title：Journal of endodontics

authors： De-Deus G,Accorsi-Mendonça T,de Carvalho e Silva L,Leite CA,da Silva D,Moreira EJ

更新日期：2013-02-01 00:00:00