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Root Canal treatment

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https://www.readbyqxmd.com/read/29346398/dual-function-of-edta-with-silver-nanoparticles-for-root-canal-treatment-a-novel-modification
#1
Juan M Martinez-Andrade, Miguel Avalos-Borja, Alfredo R Vilchis-Nestor, Luis O Sanchez-Vargas, Ernestina Castro-Longoria
The chelating and antimicrobial capacity of a novel modification of 17% EDTA with silver nanoparticles (AgNPs) (EDTA-AgNPs) was evaluated in-vitro for root canal treatment (RCT). The EDTA-AgNPs solution was characterized by UV-Vis spectroscopy, ζ-potential and high-resolution transmission electron microscopy (HRTEM). Antimicrobial capacity was evaluated against Candida albicans and Staphylococcus aureus in planktonic and biofilm cells by broth macrodilution (24 h) and XTT assays, (1, 10 and 30 min) respectively...
2018: PloS One
https://www.readbyqxmd.com/read/29339036/a-cone-beam-computed-tomography-study-of-c-shaped-root-canal-systems-in-mandibular-second-premolars-in-a-taiwan-chinese-subpopulation
#2
Yi-Chin Chen, Chia-Lun Tsai, Yi-Chen Chen, Gin Chen, Shue-Fen Yang
BACKGROUND/PURPOSE: The purpose of this study is to investigate the prevalence and the morphologic characteristics of the radicular groove and root canal system in human mandibular second premolars with C-shaped root in a Taiwan Chinese subpopulation using cone-beam computed tomographic (CBCT) imaging. METHODS: CBCT images of 580 mandibular second premolars were collected from 317 patients. All of the mandibular second premolars were examined in serial axial sections to identify the presence of any C-shaped root and C-shaped canal systems...
January 12, 2018: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/29338272/morphologic-assessment-of-mandibular-anterior-teeth-root-canal-using-cbct
#3
Sina Haghanifar, Ehsan Moudi, Ali Bijani, Mohammad Kazemi Ghanbarabadi
OBJECTIVE: The aim of this study was to evaluate the number and morphological characteristics of the roots and root canals in mandibular anterior teeth, using cone beam computed tomography. METHODS AND MATERIALS: In this cross-sectional study, 1053 anterior mandibular teeth from 200 CBCT scans were evaluated. The teeth were completely developed and should have had no fillings in the root or crown. The teeth were investigated in terms of the number of roots and root canals, the location of the apical foramen, the distance of the apical foramen to the anatomical apex, root length, crown length, dilacerations and the type of canals according to Vertucci's classification...
November 2017: Acta Medica Academica
https://www.readbyqxmd.com/read/29337644/performance-of-monolithic-and-veneered-zirconia-crowns-after-endodontic-treatment-and-different-repair-strategies
#4
A Scioscia, A Helfers, S Soliman, G Krastl, N U Zitzmann
OBJECTIVES: To investigate failure loads of monolithic and veneered all-ceramic crowns after root canal treatment and to analyze marginal integrity of repair fillings. METHODS AND MATERIALS: Seventy-two human molars were restored with monolithic (Zr-All) or veneered (Zr-Ven) zirconia crowns. Molars were assigned to six groups (n=12 per group) depending on restoration material, access type (no access cavity [control] or endodontic treatment [test]), and type of filling (one-step [1-st] or two-step [2-st])...
January 16, 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29337224/an-experimental-study-for-rapid-detection-and-quantification-of-endodontic-microbiota-following-photo-activated-disinfection-via-new-multiplex-real-time-pcr-assay
#5
Maryam Pourhajibagher, Reza Raoofian, Roghayeh Ghorbanzadeh, Abbas Bahador
BACKGROUND: The infected root canal system harbors one of the highest accumulations of polymicrobial infections. Since the eradication of endopathogenic microbiota is a major goal in endodontic infection therapy, photo-activated disinfection (PAD) can be used as an alternative therapeutic method in endodontic treatment. Compared to cultivation-based approaches, molecular techniques are more reliable for identifying microbial agents associated with endodontic infections. The purpose of this study was to evaluate the ability of designed multiplex real-time PCR protocol for the rapid detection and quantification of six common microorganisms involved in endodontic infection before and after the PAD...
January 11, 2018: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29336883/long-term-prognosis-of-pulpal-status-of-traumatized-teeth-exhibiting-contradictory-results-between-pulp-sensibility-test-and-ultrasound-doppler-flowmetry-a-retrospective-study
#6
So-Yeon Ahn, Dohyun Kim, Sung-Ho Park
INTRODUCTION: In this retrospective study, we investigated long-term (over 3 years) follow-up results of teeth that exhibited contradictory results between the pulp sensibility test (thermal or electric pulp test) and ultrasound Doppler flowmetry (UDF) until 1 year after trauma to inspect the prognosis of the pulp. METHODS: Data were collected from the records of trauma patients in our hospital between February 2012 and May 2015. The teeth that had continuously shown contrasting results on the pulp sensibility test and UDF until 1 year after trauma were chosen for the study...
January 12, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29336506/influence-of-culture-change-on-the-perception-of-fear-and-anxiety-pathways-in-endodontics-a-pilot-proof-of-concept-study
#7
Ava Elizabeth Carter, Emad AlShwaimi, Mark Boschen, Geoffery Carter, Roy George
This study assessed the influence of cultural changes (known as acculturation) on pathways of fear and anxiety in Endodontics. A purposive sampling technique identified patients of Saudi Arabian descent living in Australia and Saudi Arabia. Only patients with root canal fillings (or treatment planned for endodontic treatment) were included. Patients with intellectual disabilities, surgical root therapy, and aged under 20 were excluded. Consenting patients attending the dental clinics of University of Griffith University, Australia and University of Dammam, Saudi Arabia completed the "My Endodontic Fear Questionnaire...
January 16, 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29330841/delayed-replantation-of-an-avulsed-immature-permanent-incisor-and-apexification-using-a-novel-fast-setting-calcium-silicate-cement-containing-fluoride-a-3-year-follow-up-case-report
#8
A Vafaei, B Ranjkesh, L Erfanparast, H Løvschall
BACKGROUND: Traumatic tooth avulsion requires an urgent intervention to replant the tooth. Prolonged post-injury dry extra-oral conditions worsen the prognosis and increase the risk of root resorption. Fluoride has the potential to delay replacement resorption. Calcium silicate cements (CSC) are used to seal the root canal system and to stimulate periapical regeneration in immature open apex teeth (apexification). This report suggests the application of a novel fast-setting CSC with fluoride for apexification in an attempt to hinder root resorption...
January 12, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29327088/amplification-of-pressure-waves-in-laser-assisted-endodontics-with-synchronized-delivery-of-er-yag-laser-pulses
#9
Nejc Lukač, Matija Jezeršek
When attempting to clean surfaces of dental root canals with laser-induced cavitation bubbles, the resulting cavitation oscillations are significantly prolonged due to friction on the cavity walls and other factors. Consequently, the collapses are less intense and the shock waves that are usually emitted following a bubble's collapse are diminished or not present at all. A new technique of synchronized laser-pulse delivery intended to enhance the emission of shock waves from collapsed bubbles in fluid-filled endodontic canals is reported...
January 11, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29326515/scanning-electron-microscopic-evaluation-of-efficacy-of-17-ethylenediaminetetraacetic-acid-and-chitosan-for-smear-layer-removal-with-ultrasonics-an-in-vitro-study
#10
Aradhana Babu Kamble, Sathish Abraham, Deepak Dadarao Kakde, C Shashidhar, Disha Lalit Mehta
Introduction: The main aim of root canal treatment is cleaning, shaping and then obturating three dimensionally to prevent reinfection. This includes chemicomechanical cleansing by instrumentation and the use of irrigating solutions. Therefore, the purpose of this study was to compare the smear layer removal from root canal dentine subjected to two root canal irrigants, 17% EDTA and 0.2% Chitosan, a new irrigant using Scanning Electron Microscope. Methodology: 40 single rooted premolars were decoronated followed by instrumentation with I Race files and intermediate irrigation with 3% sodium hypochlorite and activation with ultrasonics...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29326499/in-search-of-a-novel-substitute-clinical-and-radiological-success-of-lesion-sterilization-and-tissue-repair-with-modified-3mix-mp-antibiotic-paste-and-conventional-pulpectomy-for-primary-molars-with-pulp-involvement-with-18-months-follow-up
#11
Divya Doneria, Seema Thakur, Parul Singhal, Deepak Chauhan, Karunakar Keshav, Anika Uppal
Objectives: The aim of this study was to evaluate the clinical and radiographic success of zinc oxide (ZnO)-ozonated oil, modified 3Mix antibiotic paste, and vitapex in the treatment of primary molars requiring pulpectomy. Methods: Sixty-four primary molars of forty-three healthy children aged between 4 and 8 years with primary molars requiring root canal procedure were treated with ZnO-ozonated oil, modified 3Mix-MP antibiotic paste, and vitapex. Clinical follow up was done at 1, 6,12 months and 18 months while radiographical follow-up was done at 6,12 and 18 months, respectively...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29306533/microbial-analysis-of-endodontic-infections-in-root-filled-teeth-with-apical-periodontitis-before-and-after-irrigation-using-pyrosequencing
#12
Homan Zandi, Anne K Kristoffersen, Dag Ørstavik, Isabela N Rôças, José F Siqueira, Morten Enersen
INTRODUCTION: The root canal microbiota in root-filled teeth with post-treatment apical periodontitis before and after chemomechanical instrumentation and irrigation with either 1% sodium hypochlorite (NaOCl) or 2% chlorhexidine digluconate were analyzed by using the pyrosequencing method. METHODS: Samples from 10 root-filled teeth with apical periodontitis undergoing retreatment were taken before (S1) and after (S2) preparation using irrigation with either NaOCl (n = 5) or 2% chlorhexidine digluconate (n = 5)...
January 3, 2018: Journal of Endodontics
https://www.readbyqxmd.com/read/29305571/laser-application-to-the-root-surface-increases-the-bonding-strength-of-surface-treated-prefabricated-glass-fiber-posts-in-teeth-with-excessive-substance-loss
#13
Zuhal Gorus, Ayse Mese, Berivan Dundar Yilmaz, Ozkan Adiguzel
BACKGROUND This study examined the effect of roughening of the root surface using an erbium-doped yttrium aluminum garnet (Er: YAG) laser on the binding strength of teeth undergoing root canal treatment. MATERIAL AND METHODS Ninety single-rooted teeth were used and assigned randomly to 9 groups (n=10 each). Root canals were prepared using the FlexMaster rotary system. An Er: YAG laser was applied to the root canals in Group 1, with no surface treatment of the glass-fiber post. In Group 2, aluminum oxide particles were applied...
January 6, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29302286/management-of-permanent-teeth-with-necrotic-pulps-and-open-apices-according-to-the-stage-of-root-development
#14
Hugo Plascencia, Mariana Díaz, Gerardo Gascón, Susana Garduño, Carlos Guerrero-Bobadilla, Salvador Márquez-De Alba, Geovani González-Barba
Background: This paper analyzed the distribution of treatments for permanent teeth with necrotic pulps and open apices according to the stage of root development. Material and Methods: Dental records from all root canal procedures performed in permanent teeth with necrotic pulps and open apices over a period of 14 years by residents of the Speciality of Endodontics, University of Guadalajara, Mexico, were analized. Results: Records from 206 treatments were mainly divided into the following 3 different stages according to criteria described by Cvek: stage IV (n = 79, 38...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29302280/a-smart-rotary-technique-versus-conventional-pulpectomy-for-primary-teeth-a-randomized-controlled-clinical-study
#15
Negar Mokhtari, Alireza-Sarraf Shirazi, Masoumeh Ebrahimi
Background: Techniques with adequate accuracy of working length determination along with shorter duration of treatment in pulpectomy procedure seems to be essential in pediatric dentistry. The aim of the present study was to evaluate the accuracy of root canal length measurement with Root ZX II apex locator and rotary system in pulpectomy of primary teeth. Material and Methods: In this randomized control clinical trial complete pulpectomy was performed on 80 mandibular primary molars in 80, 4-6-year-old children...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29299189/in-vitro-resistance-to-fracture-of-two-nickel-titanium-rotary-instruments-made-with-different-thermal-treatments
#16
Gabriele Miccoli, Gianfranco Gaimari, Marco Seracchiani, Antonio Morese, Tatyana Khrenova, Dario Di Nardo
Aim: Aim of the study was to evaluate effectiveness of different heat treatments in improving Ni-Ti endodontic rotary instruments' resistance to fracture. Methods: 24 new NiTi instruments similar in length and shape: 12 M3 instruments, tip size 25 and .06 taper (United Dental, Shanghai, China), and 12 M3 Pro Gold instruments tip size 25 and .06 taper (United Dental, Shanghai, China), were tested in a 60° curved artificial root canal. Each group received a different heat treatment...
April 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/29287740/high-rate-of-tooth-retention-and-periapical-health-10-years-after-nonsurgical-root-canal-treatment-but-uncertainty-about-the-factors-that-may-influence-these-outcomes
#17
Romina Brignardello-Petersen
No abstract text is available yet for this article.
December 23, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29285081/relevance-of-the-clustered-regularly-interspaced-short-palindromic-repeats-of-enterococcus-faecalis-strains-isolated-from-retreatment-root-canals-on-periapical-lesions-resistance-to-irrigants-and-biofilms
#18
Zhongchun Tong, Yu Du, Junqi Ling, Lijia Huang, Jinglei Ma
A high prevalence of Enterococcus faecalis (E. faecalis) is observed in teeth with root canal treatment failures. Clustered regularly interspaced short palindromic repeats (CRISPR) are widely distributed in prokaryotes that have adaptive immune systems against mobile elements, including pathogenic genes. The present study investigated the relevance of the CRISPR in E. faecalis strains isolated from retreated root canals on biofilms, periapical lesions and drug resistance. A total of 20 E. faecalis strains were extracted from the root canals of teeth referred for root canal retreatment...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29284938/root-canal-configuration-of-human-permanent-mandibular-first-molars-of-an-indo-dravidian-population-based-in-southern-india-an-in-vitro-study
#19
J V Karunakaran, Leo Sujith Samuel, Yousef Rishal, M Derick Joseph, K Rahul Suresh, Sam T Varghese
Aim: This study aims to analyze root canal configuration of human permanent mandibular first molars of an indo-Dravidian population based in southern India. Materials and Methods: A total of 1147 mandibular first permanent molars were collected, cleansed, and stored. The number of roots was recorded, access preparations made, pattern of orifices recorded after pulpal floor debridement, dye injected into the canals using apical negative pressure and subjected to a clearing technique...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29284463/clinical-studies-on-core-carrier-obturation-a-systematic-review-and-meta-analysis
#20
Amy Wai-Yee Wong, Shinan Zhang, Samantha Kar-Yan Li, Chengfei Zhang, Chun-Hung Chu
BACKGROUND: This systematic review aimed to evaluate the clinical performance of core-carrier obturation in endodontic treatment. METHODS: Keywords of "(core carrier OR Thermafil) OR (cold lateral condensation OR lateral condensation) OR (warm vertical condensation OR vertical condensation) AND (obturation OR root canal filling) AND clinical study" were searched for all obtainable publications up to year 2017 in the databases of PubMed, ScienceDirect, EMBASE, Scopus and Web of Science...
December 29, 2017: BMC Oral Health
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