Isolation of methicillin-resistant staphylococci in the dental operatory.

abstract：:This report examines three clinical cases of root-filled teeth with primary endodontic lesions. During endodontic surgery, an area of incomplete root bifurcation beginning in the coronal or middle third of the root surface and terminating at or near the apical foramen were observed. The radicular grooves of two teeth ...

journal_title：Journal of endodontics

authors： Simon JH,Dogan H,Ceresa LM,Silver GK

更新日期：2000-05-01 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：:Extracanal invasive resorption is not a well-defined phenomenon. This article describes its clinical, radiographic, and histological characteristics. Treatment of affected teeth based on the location of the resorptive defect is also described. ...

journal_title：Journal of endodontics

authors： Frank AL,Torabinejad M

更新日期：1998-07-01 00:00:00

abstract：:The aim of this in vitro study was to investigate the effect of the smear layer on apical microleakage in teeth obturated with mineral trioxide aggregate (MTA). Fifty single-rooted central maxillary teeth were used in this study. All teeth were instrumented to size 60 by using the step-back technique. The selected tee...

journal_title：Journal of endodontics

authors： Yildirim T,Oruçoğlu H,Cobankara FK

更新日期：2008-12-01 00:00:00

abstract：:The purpose of this in vitro study was to investigate the canal configuration types, and the prevalence and location of anatomical variations in the mesiobuccal (MB) and mesial roots of permanent maxillary and mandibular first molars after instrumentation. The number and the type of canals were determined before instr...

journal_title：Journal of endodontics

authors： Jung IY,Seo MA,Fouad AF,Spångberg LS,Lee SJ,Kim HJ,Kum KY

更新日期：2005-05-01 00:00:00

abstract：INTRODUCTION:Odontoblasts produce dentin throughout life and in response to trauma. The purpose of this study was to identify the roles of endogenous Wnt signaling in regulating the rate of dentin accumulation. METHODS:Histology, immunohistochemistry, vital dye labeling, and histomorphometric assays were used to quant...

journal_title：Journal of endodontics

authors： Zhao Y,Yuan X,Bellido T,Helms JA

更新日期：2019-11-01 00:00:00

abstract：INTRODUCTION:This study evaluated 4 different light-emitting diode (LED) transilluminators and the impact of operator experience in the detection of dentinal defects through an ex vivo TRUEJAW surgical model (Dental Engineering Laboratories, Santa Barbara, CA). METHODS:Forty-four extracted and endodontically treated m...

journal_title：Journal of endodontics

authors： Arnarsdottir EK,Karunanayake GA,Pettit NE,Phillips C,Saemundsson SR,Tawil PZ

更新日期：2020-02-01 00:00:00

abstract：INTRODUCTION:Recently, it was shown that the biomineralization process promoted by the interaction of mineral trioxide aggregate (MTA) with dentin in phosphate-buffered saline (PBS) positively influenced the push-out bond strength of the cement. This study investigated if the use of a PBS intracanal dressing promotes t...

journal_title：Journal of endodontics

authors： Reyes-Carmona JF,Felippe MS,Felippe WT

更新日期：2010-10-01 00:00:00

abstract：:We immunohistologically examined the prevalence and localization of bacteria invading dentinal tubules of the roots of teeth with infected canals. Forty extracted teeth with apical lesions were selected and divided into two groups: a group of untreated teeth and a group of canal-enlarged teeth. The bacteria in the spe...

journal_title：Journal of endodontics

authors： Matsuo T,Shirakami T,Ozaki K,Nakanishi T,Yumoto H,Ebisu S

更新日期：2003-03-01 00:00:00

abstract：:Unlike most cases of combined orthodontic and endodontic therapy that have been reported, in this case endodontic treatment with calcium hydroxide-induced calcification was utilized prior to orthodontic treatment. A 14-yr-old female required orthodontic therapy due to anterior crowding. Preoperative periapical radiogr...

journal_title：Journal of endodontics

authors： Gruendeman GW,Weine FS,Janik JM

更新日期：1994-05-01 00:00:00

abstract：:Sodium hypochlorite (NaOCl) has been recommended for irrigation during root canal preparation. This investigation used scanning electron microscopy to examine instrumented and uninstrumented surfaces in the middle third of root canals following the use of several concentrations of NaOCl (5.25%, 2.5%, 1.0%, and 0.5%). ...

journal_title：Journal of endodontics

authors： Baumgartner JC,Cuenin PR

更新日期：1992-12-01 00:00:00

abstract：INTRODUCTION:Krüppel-like factor 4 (KLF4) plays an important role in cytodifferentiation and proliferation. Our previous study showed that KLF4 was specifically expressed in polarizing and elongating odontoblasts. However, the role of KLF4 in odontoblast differentiation was still unknown. The purpose of this study was ...

journal_title：Journal of endodontics

authors： Lin H,Xu L,Liu H,Sun Q,Chen Z,Yuan G,Chen Z

更新日期：2011-07-01 00:00:00

abstract：INTRODUCTION:It is important to develop an antimicrobial agent without any damage on dental pulp. In the present study, we examined whether pretreatment of bacterial lipopolysaccharides (LPS) with ozonated water (O(3)aq) improves LPS-induced responses of rat odontoblastic cell line, KN-3. METHODS:After the pretreatmen...

journal_title：Journal of endodontics

authors： Noguchi F,Kitamura C,Nagayoshi M,Chen KK,Terashita M,Nishihara T

更新日期：2009-05-01 00:00:00

abstract：:The objective of this study was to compare the sealing ability of ActiV GP/glass ionomer (GI) sealer (Brasseler USA, Savannah, GA), Resilon/Epiphany (Pentron Clinical Technologies, Wallingford, CT), and gutta-percha (GP)/AH Plus (Dentsply Maillefer, Tulsa, OK). Seventy-three human single-rooted teeth were randomly div...

journal_title：Journal of endodontics

authors： Fransen JN,He J,Glickman GN,Rios A,Shulman JD,Honeyman A

更新日期：2008-06-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to perform a descriptive analysis of the occurrence of external cervical resorption (ECR) in relation to the patients' characteristics (sex, age, and tooth type) and the potentially involved predisposing factors. METHODS:This study includes data on 284 patients (337 teeth with ev...

journal_title：Journal of endodontics

authors： Mavridou AM,Bergmans L,Barendregt D,Lambrechts P

更新日期：2017-10-01 00:00:00

abstract：:Fusion and gemination are developmental anomalies of the dental hard tissues that might require endodontic and surgical treatment for functional, orthodontic, or esthetic reasons. In this article, we report a rare case of successful endodontic management of unilateral fused mandibular second molar with a paramolar. Th...

journal_title：Journal of endodontics

authors： Ballal S,Sachdeva GS,Kandaswamy D

更新日期：2007-10-01 00:00:00

abstract：INTRODUCTION:During apicoectomy and retrograde cavity preparation, a smear layer, which contains microorganisms and necrotic pulpal tissues, is formed on the dentinal surfaces cut by the instruments. Bacteria can survive and proliferate inside or below the smear layer. The purpose of this study was to evaluate in vitro...

journal_title：Journal of endodontics

authors： Fabiani C,Franco V,Covello F,Brambilla E,Gagliani MM

更新日期：2011-06-01 00:00:00

abstract：:This study compared the effectiveness of four different techniques used for obturation of single rooted-teeth: lateral condensation, low-temperature gutta-percha (Ultrafil), vertical condensation of gutta-percha softened by means of three different laser devices (argon, CO2, and Nd:YAG), or composite resin photopolyme...

journal_title：Journal of endodontics

authors： Anić I,Matsumoto K

更新日期：1995-09-01 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：INTRODUCTION:Apical root resection is a biologically essential component in endodontic microsurgery. However, because it reduces the total root length and supported root surface, it changes the biomechanical response of the tooth. The purpose of this study was to analyze the biomechanical effect of apical root resectio...

journal_title：Journal of endodontics

authors： Jang Y,Hong HT,Roh BD,Chun HJ

更新日期：2014-09-01 00:00:00

abstract：INTRODUCTION:Mineral trioxide aggregate (MTA) and calcium silicate (CS) cements exhibit acceptable levels of cytocompatibility. The aim of the present study was to evaluate MTA and CS cement genotoxicity in a human osteosarcoma cell line (MG63). METHODS:A mitochondrial colorimetric assay was used to evaluate the MG63 ...

journal_title：Journal of endodontics

authors： Ding SJ,Kao CT,Chen CL,Shie MY,Huang TH

更新日期：2010-07-01 00:00:00

abstract：:This study attempts to evaluate the oral manifestations of and the limited available dental pulp information on diabetes mellitus, a common metabolic disorder of carbohydrate and lipid metabolism affecting over 16 million Americans. Diabetics are particularly prone to bacterial or opportunistic infections. This vulner...

journal_title：Journal of endodontics

authors： Bender IB,Bender AB

更新日期：2003-06-01 00:00:00

abstract：:The purpose of this study was to assess the push-out bond strength and coronal microleakage of the Epiphany (Pentron Clinical Technologies, Wallingford, CT) + Resilon (Resilon Research LLC, Madison, CT) obturation system with respect to different photoactivation methods used. Roots of human maxillary central incisors ...

journal_title：Journal of endodontics

authors： Nagas E,Cehreli ZC,Durmaz V,Vallittu PK,Lassila LV

更新日期：2007-12-01 00:00:00

abstract：INTRODUCTION:The purpose of the present study was to evaluate the thickness and the anatomic characteristics of the Schneiderian membrane and cortical bone using limited cone beam computed tomography (CBCT) scannning in patients referred for planning of apical surgery of maxillary molars. METHODS:This controlled study...

journal_title：Journal of endodontics

authors： Bornstein MM,Wasmer J,Sendi P,Janner SF,Buser D,von Arx T

更新日期：2012-01-01 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：:The purpose of this study was to compare the wicking propensity of multifilament sutures. Dexon II, Vicryl, and black silk suture (BSS) were dipped in saline or soaked for 48 h, then suspended on a microscope slide. Fluorescein isothiocyanate-dextran (FITC-D) was placed at the suture mid points, and its movement was o...

journal_title：Journal of endodontics

authors： Grigg TR,Liewehr FR,Patton WR,Buxton TB,McPherson JC

更新日期：2004-09-01 00:00:00

abstract：:Characteristics of cyclooxygenase-2 (COX-2) expressing cells in human dental pulp were immunohistologically studied. Extirpated pulpal tissues from extracted teeth were examined to elucidate the localization and distribution of COX-2. Pulpal tissues were examined by the labeled streptavidin biotin method using specifi...

journal_title：Journal of endodontics

authors： Nakanishi T,Shimizu H,Hosokawa Y,Matsuo T

更新日期：2001-06-01 00:00:00

abstract：INTRODUCTION:The aim of this study was to evaluate the effect of calcium hydroxide (CH) and antibiotic pastes, including a mixture of metronidazole and ciprofloxacin, with and without minocycline or cefaclor, on the dislocation resistance of mineral trioxide aggregate (MTA) to root dentin. METHODS:Eighty single-rooted...

journal_title：Journal of endodontics

authors： Topçuoğlu HS,Arslan H,Akçay M,Saygili G,Çakici F,Topçuoğlu G

更新日期：2014-12-01 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:This study evaluated the effects of three different endodontic sealers on the bond strength of a fiber post cemented with adhesive resin cement. METHODS:Forty-eight extracted maxillary central incisors were prepared with the step-back technique and randomly divided into four groups (n=12 for each group): ...

journal_title：Journal of endodontics

authors： Demiryürek EO,Külünk S,Yüksel G,Saraç D,Bulucu B

更新日期：2010-03-01 00:00:00