Influence of injection speed on the effectiveness of incisive/mental nerve block: a randomized, controlled, double-blind study in adult volunteers.

abstract：:This study was carried out to investigate the effect of changes in tooth structure due to masticatory cycles on amalgam retrofillings performed to different cavity depths. Forty upper maxillary first molars were tested. In the obturated palatal root apical amalgam was inserted to different depths (1.5 and 3 mm). Eight...

journal_title：Journal of endodontics

authors： Blum JY,Esber S,Parahy E,Franquin JC

更新日期：1997-10-01 00:00:00

abstract：:The most striking disadvantage of most apex locators is that if there are electrolytes in the canal the meter shows a reading which is too short or sometimes the measurement itself becomes impossible. To overcome this drawback, a new concept for electrically measuring the root canal length has been developed. The devi...

journal_title：Journal of endodontics

authors： Kobayashi C,Suda H

更新日期：1994-03-01 00:00:00

abstract：INTRODUCTION:The objective of this study was to evaluate the pH and calcium ion release of calcium hydroxide pastes associated with different substances. METHODS:Forty acrylic teeth with simulated root canals were divided into 4 groups according to the substance associated to the calcium hydroxide paste: chlorhexidine...

journal_title：Journal of endodontics

authors： Duarte MA,Midena RZ,Zeferino MA,Vivan RR,Weckwerth PH,Dos Santos F,Guerreiro-Tanomaru JM,Tanomaru-Filho M

更新日期：2009-09-01 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 review aimed to compare the kinematic effect of nickel-titanium instruments with reciprocating and continuous rotation motion for cyclic fatigue resistance, shaping ability, apical debris extrusion, and dentinal defects or cracks. METHOD:Articles were selected for inclusion in this review if they ful...

journal_title：Journal of endodontics

authors： Ahn SY,Kim HC,Kim E

更新日期：2016-07-01 00:00:00

abstract：:The purpose of this study was to evaluate the effect of citric acid and EDTA solutions on the microhardness and the roughness of human root canal dentin. Forty-five human teeth sectioned longitudinally were used. Specimens were randomly divided into three groups of 30 teeth each and were treated as follows: (a) one mo...

journal_title：Journal of endodontics

authors： Eldeniz AU,Erdemir A,Belli S

更新日期：2005-02-01 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：:Ninety extracted human teeth with a single canal and a large patent foramen were obturated by one of three methods after placement of a master gutta-percha cone and sealer. The apical seals were evaluated by ink penetration. Statistical analysis of the results indicated that the group obturated with the high-temperatu...

journal_title：Journal of endodontics

authors： Olson AK,Hartwell GR,Weller RN

更新日期：1989-07-01 00:00:00

abstract：:It is a general belief that large cyst-like periapical lesions and apical true cysts caused by root canal infection are less likely to heal after nonsurgical root canal therapy. Nevertheless, there is no direct evidence to support this assumption. A large cyst-like periapical lesion or an apical true cyst is formed wi...

journal_title：Journal of endodontics

authors： Lin LM,Ricucci D,Lin J,Rosenberg PA

更新日期：2009-05-01 00:00:00

abstract：:The aim of this study was to assess the cytotoxicity of pure eugenol in an in vitro method by diluting it to various concentrations in alcohol and determining the maximum noncytotoxic concentration. We used solutions of eugenol and ethyl alcohol that are soluble in water in any given proportion. The cytotoxicity of th...

journal_title：Journal of endodontics

authors： Gerosa R,Borin M,Menegazzi G,Puttini M,Cavalleri G

更新日期：1996-10-01 00:00:00

abstract：:Inflammation in the dental pulp is accompanied by release of a wide variety of highly oxidative molecules known as reactive oxygen species (ROS). ROS concentrations are controlled in vivo by an antioxidant enzyme scavenger system that may be overwhelmed by the increases in ROS production seen during inflammation. Supp...

journal_title：Journal of endodontics

authors： Baumgardner KR,Sulfaro MA

更新日期：2001-03-01 00:00:00

abstract：INTRODUCTION:This study reports the antimicrobial effect of photodynamic therapy (PDT) combined with endodontic treatment in patients with necrotic pulp infected with microflora resistant to a previous antibiotic therapy. METHODS:Thirty anterior teeth from 21 patients with periapical lesions that had been treated with...

journal_title：Journal of endodontics

authors： Garcez AS,Nuñez SC,Hamblim MR,Suzuki H,Ribeiro MS

更新日期：2010-09-01 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：INTRODUCTION:Dens invaginatus is a critical condition for endodontic treatment once it frequently presents a complex internal anatomy and might be associated with incomplete root and apical development. METHODS:Three cases of dens invaginatus with open apex in maxillary lateral incisors are presented. In the first cas...

journal_title：Journal of endodontics

authors： Schmitz MS,Montagner F,Flores CB,Morari VH,Quesada GA,Gomes BP

更新日期：2010-06-01 00:00:00

abstract：:Many root canal instruments with several different designs have been introduced during recent years. This article evaluates the machining properties of four such instruments: the Flex-R, K-Flex, Trio-Cut, and S file. There are large variations in the machining properties of these instruments. The results are comparabl...

journal_title：Journal of endodontics

authors： Stenman E,Spångberg LS

更新日期：1990-12-01 00:00:00

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:Elucidating the microbial ecology of endodontic infections (EIs) is a necessary step in developing effective intracanal antimicrobials. The aim of the present study was to investigate the bacterial composition of symptomatic and asymptomatic primary and persistent infections in a Greek population using hig...

journal_title：Journal of endodontics

authors： Tzanetakis GN,Azcarate-Peril MA,Zachaki S,Panopoulos P,Kontakiotis EG,Madianos PN,Divaris K

更新日期：2015-08-01 00:00:00

abstract：:Immune and nervous systems play key roles in periapical pathosis; however, their spatial associations, which may be a prerequisite for paracrine interactions in the progression of periapical lesions, remain to be examined. In this study we examined the distribution and frequency of spatial associations between major h...

journal_title：Journal of endodontics

authors： Yang G,Kawashima N,Kaneko T,Suzuki N,Okiji T,Suda H

更新日期：2007-02-01 00:00:00

abstract：:Twenty volunteers with first molars free of restorations and caries were recruited. One molar from each arch was selected, and rubber dam was applied. Seven sites on each crown were electric pulp tested 4 times with an Elements Diagnostic Unit, and lowest threshold responses were recorded. Data were analyzed with one-...

journal_title：Journal of endodontics

authors： Lin J,Chandler N,Purton D,Monteith B

更新日期：2007-11-01 00:00:00

abstract：:The extraoral sinus tract may occur as a result of an inflammatory process associated with a necrotic pulp. However, several non-odontogenic disorders may also produce an extraoral sinus tract. Thus, the differential diagnosis of this clinical finding is of paramount importance in providing appropriate clinical care b...

journal_title：Journal of endodontics

authors： Cohenca N,Karni S,Rotstein I

更新日期：2003-12-01 00:00:00

abstract：:The mechanisms of odontogenic pain are complex and incompletely understood. Cases of irreversible pulpitis are thought to represent a localized inflammatory response to bacterial challenge in dental pulp tissue. The presenting symptoms are classically defined by exaggerated painful episodes to thermal stimuli that may...

journal_title：Journal of endodontics

authors： Owatz CB,Khan AA,Schindler WG,Schwartz SA,Keiser K,Hargreaves KM

更新日期：2007-05-01 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：:This in vitro study evaluated the microbial leakage of Cavit, IRM, and Dyract when used as temporary filling materials after root canal treatment. The degree of coronal leakage was assessed by using a microbiological marker consisting of Streptococcus faecalis and Candida albicans. For each of the two organisms, a set...

journal_title：Journal of endodontics

authors： Balto H

更新日期：2002-11-01 00:00:00

abstract：:The antibacterial activity of three commercial 10% carbamide peroxide bleaching agents (Nite White, Karisma, and Opalescence) on Streptococcus mutans, Streptococcus mitis, Streptococcus sanguis, Lactobacillus casei, and Lactobacillus acidophilus was examined. Chlorhexidine (0.2%) was used as a positive control. Test m...

journal_title：Journal of endodontics

authors： Gurgan S,Bolay S,Alaçam R

更新日期：1996-07-01 00:00:00

abstract：INTRODUCTION:Cone-beam computed tomographic (CBCT) imaging is a valuable tool for endodontic therapy. The aim of this study was to verify whether clinical use of CBCT imaging can accurately acquire parameters concerning molar pulp chamber landmarks, which are important data to help start a successful access cavity and ...

journal_title：Journal of endodontics

authors： Azim AA,Azim KA,Deutsch AS,Huang GT

更新日期：2014-09-01 00:00:00

abstract：:The aim of this review was to consider laboratory experiments and clinical studies of calcium hydroxide-based root canal sealers. An extensive search of the endodontic literature was made to identify publications related to calcium hydroxide-based root canal sealers. The articles were assessed for the outcome of labor...

journal_title：Journal of endodontics

authors： Desai S,Chandler N

更新日期：2009-04-01 00:00:00

abstract：:The inferior alveolar nerve is sometimes affected by periapical pathoses and mandibular cysts. However, mandibular intraosseous lesions have not been reported to disturb the lingual nerve. A case of simultaneous paresthesia of the right lingual nerve and the right inferior alveolar nerve is presented. The possible mec...

journal_title：Journal of endodontics

authors： Hamada Y,Yamada H,Hamada A,Kondoh T,Suzuki M,Noguchi K,Ito K,Seto K

更新日期：2005-10-01 00:00:00

abstract：INTRODUCTION:Electrically heated pluggers are the most commonly used instruments during warm obturation techniques. This study aimed to evaluate the effect of sterilization and operating temperature settings on the heat generation of pluggers of various taper sizes. METHODS:Fifty pluggers were sterilized at 132°C for ...

journal_title：Journal of endodontics

authors： Correa M Jr,Dutner JM,Phillips MB,Sidow SJ,McPherson J

更新日期：2019-12-01 00:00:00

abstract：:Mineral trioxide aggregate (MTA) is being advocated for vital pulp therapy. In the case of direct pulp capping, hemorrhage control is an important step on success, but little is known about the effect of MTA on pulpal bleeding. In addition, there has been a lack of information on the effect of MTA on smooth muscle con...

journal_title：Journal of endodontics

authors： Tunca YM,Aydin C,Ozen T,Seyrek M,Ulusoy HB,Yildiz O

更新日期：2007-07-01 00:00:00

abstract：:Mineral Trioxide Aggregate (MTA) has been shown in a number of experiments to be a potential root-end filling material. The purpose of this study was to examine the periradicular tissue response of monkeys to MTA and amalgam as root-end fillings. The pulps were removed from all the maxillary incisors of three monkeys....

journal_title：Journal of endodontics

authors： Torabinejad M,Pitt Ford TR,McKendry DJ,Abedi HR,Miller DA,Kariyawasam SP

更新日期：1997-04-01 00:00:00