Identification of independent middle mesial canal in mandibular first molar using cone-beam computed tomography imaging.

abstract：:Pulp regeneration is a biologic process occurring under specific circumstances. An endodontic treatment modality to accomplish pulp regeneration has emerged based on the response of undifferentiated cells that are often referred to as stem cells. The treatment itself is currently empirical based on clinicians' thought...

journal_title：Journal of endodontics

authors： Peters OA

更新日期：2014-04-01 00:00:00

abstract：:Conventional and surgical endodontic management were performed on a two-rooted maxillary central incisor with a periapical lesion. Anatomical complexity of the tooth lead to perforation in the distal root during conventional treatment, thus a surgical approach was taken. A 4-month postoperative radiograph shows repair...

journal_title：Journal of endodontics

authors： González-Plata-R R,González-Plata-E W

更新日期：2003-06-01 00:00:00

abstract：:Dentinal chips and different biocompatible materials have been used in the past as apical plugs to enhance healing and simplify obturation. The purpose of this study was to evaluate bone reactions to implants of hydroxyapatite, collagen, and calcium hydroxide, alone or in different combinations. The materials were imp...

journal_title：Journal of endodontics

authors： Pissiotis E,Spangberg LS

更新日期：1990-10-01 00:00:00

abstract：INTRODUCTION:This study examined the effect of a new bioactive dentin substitute material (Biodentine) on the viability of human gingival fibroblasts. METHODS:Biodentine, White ProRoot mineral trioxide aggregate (MTA), and glass ionomer cement were evaluated. Human gingival fibroblasts were incubated for 1, 3, and 7 d...

journal_title：Journal of endodontics

authors： Zhou HM,Shen Y,Wang ZJ,Li L,Zheng YF,Häkkinen L,Haapasalo M

更新日期：2013-04-01 00:00:00

abstract：INTRODUCTION:Endodontic diagnostic tests are often used clinically to assess pulp status as a basis for the diagnosis and determination of whether root canal treatment (RCT) is indicated. Response to cold and pain on percussion are 2 common tests, yet their validity in identifying nonvital pulp in regular dental practi...

journal_title：Journal of endodontics

authors： Pigg M,Nixdorf DR,Nguyen RH,Law AS,National Dental Practice-Based Research Network Collaborative Group.

更新日期：2016-06-01 00:00:00

abstract：INTRODUCTION:An ideal root canal sealer creates a bacteria-resistant seal and exhibits antimicrobial activity, biocompatibility, and osteoconductivity. The aim of this study was to assess the effects of 3 root canal sealers on cell viability, inflammatory response, and osteogenic potential in MC3T3-E1 cells. METHODS:A...

journal_title：Journal of endodontics

authors： Lee BN,Hong JU,Kim SM,Jang JH,Chang HS,Hwang YC,Hwang IN,Oh WM

更新日期：2019-01-01 00:00:00

abstract：INTRODUCTION:The occurrence of multiple injuries of the same tooth is extremely rare. This case report describes the treatment in a midroot and complicated crown-root-fractured permanent incisor that remained untreated for 4 years after the accident. METHODS:The tooth was treated by delayed partial pulpotomy using cal...

journal_title：Journal of endodontics

authors： Calişkan MK,Savranoğlu S

更新日期：2010-07-01 00:00:00

abstract：INTRODUCTION:Alkaline-tolerant bacteria in primary infected root canals could have enhanced survival capacity against antimicrobials commonly used in root canal treatment. The aims of this study were to isolate and characterize alkaline-tolerant bacteria before endodontic treatment (S1), after chemomechanical root cana...

journal_title：Journal of endodontics

authors： Lew HP,Quah SY,Lui JN,Bergenholtz G,Hoon Yu VS,Tan KS

更新日期：2015-04-01 00:00:00

abstract：:A molar-incisor malformation (MIM) is a newly reported type of dental anomaly that involves a characteristic root malformation in permanent first molars and deciduous second molars and a crown defect in permanent central incisors. This case report describes a nonsurgical root canal treatment of a MIM-affected molar by...

journal_title：Journal of endodontics

authors： Yue W,Kim E

更新日期：2016-04-01 00:00:00

abstract：INTRODUCTION:Complement activation is considered a major mechanism in innate immunity. Although it is mainly involved in initiating inflammation, recent data reported its involvement in other processes such as tissue regeneration. In the dental pulp, complement C5a fragment has been shown to be involved in the recruitm...

journal_title：Journal of endodontics

authors： Rufas P,Jeanneau C,Rombouts C,Laurent P,About I

更新日期：2016-09-01 00:00:00

abstract：:The purpose of this study was to determine the incidence of endodontic services provided to participants in a longitudinal cohort study. The "Florida Dental Care Study" was a prospective cohort study using a representative baseline sample of 873 dentate adults. An in-person interview and clinical dental exam were cond...

journal_title：Journal of endodontics

authors： Boykin MJ,Gilbert GH,Tilashalski KR,Shelton BJ

更新日期：2003-12-01 00:00:00

abstract：INTRODUCTION:The purpose of this study was to evaluate and compare the volume of removed dentin, transportation, and centering ability of ProTaper Next (PTN) system with and without glide path preparation by using cone-beam computed tomography (CBCT) imaging. METHODS:Sixty mesiobuccal canals of mandibular first molars...

journal_title：Journal of endodontics

authors： Elnaghy AM,Elsaka SE

更新日期：2014-12-01 00:00:00

abstract：:Endodontic fillings were challenged with bacterial ingress in mandibular premolars of 4 beagle dogs. Groups 1, 2, and 3 (n = 9), had canals filled with gutta-percha and sealer, gutta-percha alone, and sealer alone, respectively. After 2 wk, pulp chambers were inoculated with plaque. Group 4 (n = 9) and group 5 (n = 5)...

journal_title：Journal of endodontics

authors： Friedman S,Torneck CD,Komorowski R,Ouzounian Z,Syrtash P,Kaufman A

更新日期：1997-09-01 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:MicroRNAs (miRs) are a family of noncoding RNAs that regulate gene expression. They are ubiquitous among multicellular eukaryotes and are also encoded by some viruses. Upon infection, viral miRs (vmiRs) can potentially target gene expression in the host and alter the immune response. Although prior studies...

journal_title：Journal of endodontics

authors： Zhong S,Naqvi A,Bair E,Nares S,Khan AA

更新日期：2017-01-01 00:00:00

abstract：INTRODUCTION:The ability to resolve pulpal inflammation to achieve predictable regeneration of the dentin-pulp complex has remained elusive and presents a challenge for clinicians and researchers. Although the dentin-pulp complex can react naturally to injury by forming a bridge of reparative dentin that protects the p...

journal_title：Journal of endodontics

authors： Colombo JS,Jia S,D'Souza RN

更新日期：2020-09-01 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:Pain present 6 months after root canal treatment (RCT) may be of odontogenic or nonodontogenic origin. This is important because treatments and prognoses are different; therefore, the aim of this study was to provide specific diagnoses of patients reporting pain 6 months after receiving initial orthograde ...

journal_title：Journal of endodontics

authors： Nixdorf DR,Law AS,John MT,Sobieh RM,Kohli R,Nguyen RH,National Dental PBRN Collaborative Group.

更新日期：2015-04-01 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:The present study aimed to evaluate the antibacterial effect of a new peptide, DJK-5, used alone or mixed together with EDTA on mono- and multispecies biofilms in dentin canals covered by a smear layer with or without preceding sodium hypochlorite (NaOCl) irrigation. METHODS:One hundred twelve dentin bloc...

journal_title：Journal of endodontics

authors： Wang D,Shen Y,Hancock REW,Ma J,Haapasalo M

更新日期：2018-11-01 00:00:00

abstract：INTRODUCTION:This study compared the efficacy of a reciprocating single-instrument system and a rotary multi-instrument system followed by a supplementary approach with a finishing instrument in removing the filling material from curved canals during retreatment. METHODS:Forty mesial canals from extracted mandibular m...

journal_title：Journal of endodontics

authors： Alves FR,Marceliano-Alves MF,Sousa JC,Silveira SB,Provenzano JC,Siqueira JF Jr

更新日期：2016-07-01 00:00:00

abstract：INTRODUCTION:This in vitro study compared 3 agitation and 2 irrigation devices to ultrasonic agitation at mechanically removing bacteria from a plastic simulated canal, instrumented to 35/.06. METHODS:The plastic blocks were divided into seven groups. The control (C) group with brain-heart infusion (BHI) broth (steril...

journal_title：Journal of endodontics

authors： Townsend C,Maki J

更新日期：2009-07-01 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

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：:Various classes of immunoglobulins have been found in human periapical lesions. The specificity of secreted antibodies against antigens egressing from the root canal system has yet to be thoroughly investigated. The purpose of this study was to test the specificity of antibodies present in human periapical lesions. Hu...

journal_title：Journal of endodontics

authors： Kettering JD,Torabinejad M,Jones SL

更新日期：1991-05-01 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：:The treatment of an undeveloped (immature) tooth with a carious exposure has been reported extensively in the literature. The main objective of treatment is to provide vital pulp therapy to allow continued development of root dentin in the hope that the root will attain full maturity. A case report is presented that i...

journal_title：Journal of endodontics

authors： Weisleder R,Benitez CR

更新日期：2003-11-01 00:00:00

abstract：:The structure of mechanically instrumented intraradicular dentin after irrigation with NaOCl as the initial rinse and BioPure MTAD as the final rinse were examined from the coronal, middle, and apical parts of root canal walls using transmission electron microscopy. Sterile distilled water and EDTA as final rinses wer...

journal_title：Journal of endodontics

authors： Tay FR,Pashley DH,Loushine RJ,Doyle MD,Gillespie WT,Weller RN,King NM

更新日期：2006-03-01 00:00:00

abstract：INTRODUCTION:This in vitro study compared the performance of the XP-endo Shaper (XP; FKG, La Chaux-de-Fonds, Switzerland) in curved canals when used with a higher speed (3000 rpm) without a glide path with the manufacturer's protocol. METHODS:Twenty extracted mandibular molars with separate mesial curved canals were m...

journal_title：Journal of endodontics

authors： Webber M,Piasecki L,Jussiani EI,Andrello AC,Dos Reis PJ,Azim KA,Azim AA

更新日期：2020-01-01 00:00:00

abstract：INTRODUCTION:Dentin regeneration is one of the main goals of vital pulp treatment in which the biological properties of dental pulp cells (DPCs) need to be considered. In our previous study, we showed that EDTA could enhance the stromal cell-derived factor 1 alpha-induced migration of DPCs. The purpose of this study wa...

journal_title：Journal of endodontics

authors： Liu L,Leng S,Tang L,Lu Q,Xu W,Tan X,Huang D,Zhang L

更新日期：2020-12-20 00:00:00