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Endodontic acidents

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https://www.readbyqxmd.com/read/29042735/effectiveness-of-three-different-irrigants-17-ethylenediaminetetraacetic-acid-q-mix-and-phytic-acid-in-smear-layer-removal-a-comparative-scanning-electron-microscope-study
#1
Janhavi Balasaheb Jagzap, Sanjay S Patil, Vandana Jaykumar Gade, Deepika J Chandhok, Madhura A Upagade, Deepa A Thakur
BACKGROUND: Removal of smear layer from the root canal walls is important for long-standing endodontic success. AIM: The aim of this study is to evaluate and compare smear layer removing ability among 17% ethylenediaminetetraacetic acid (EDTA), Q-MIX, and phytic acid by scanning electron microscopy (SEM). MATERIALS AND METHODS: This in-vitro experimental study assessed smear layer removal using three different irrigants. Thirty single-rooted freshly extracted human permanent premolars were collected, disinfected, and decoronated to a standardized root length of 13 mm...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29034602/gender-and-arch-effects-on-the-use-of-non-opioid-analgesics-for-post-endodontic-pain-reduction
#2
Wail M Elzaki, Hassan M Ziada, Neamat H Abubakr, Yahia E Ibrahim
This study aimed to evaluate the secondary outcomes of gender and arch and their impact on pain reduction following initial endodontic therapy. 185 medications, including placebo were prepared, and 170 participants completed the trial. Group 1, received a single dose of Paracetamol alone (G-1), Group 2 received combined Ibuprofen/Paracetamol (G-2). Group 3 received combined Mefenamic acid/Paracetamol (G-3), group 4 received combined Diclofenac K/Paracetamol (G-4) and Group 5 received a placebo (G-5). There were no statistically significant differences in pain reduction between males and females whilst there were statistically significant differences between them and the placebo group...
October 16, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/28961175/alkaline-sodium-hypochlorite-irrigant-and-its-chemical-interactions
#3
REVIEW
Patricia P Wright, Bill Kahler, Laurence J Walsh
Endodontic irrigating solutions may interact chemically with one another. This is important, because even when solutions are not admixed, they will come into contact with one another during an alternating irrigation technique, forming unwanted by-products, which may be toxic or irritant. Mixing or alternating irrigants can also reduce their ability to clean and disinfect the root canal system of teeth by changing their chemical structure with subsequent loss of the active agent, or by inducing precipitate formation in the root canal system...
September 29, 2017: Materials
https://www.readbyqxmd.com/read/28956355/the-synthetic-human-beta-defensin-3-c15-peptide-exhibits-antimicrobial-activity-against-streptococcus-mutans-both-alone-and-in-combination-with-dental-disinfectants
#4
Ki Bum Ahn, A Reum Kim, Kee-Yeon Kum, Cheol-Heui Yun, Seung Hyun Han
Streptococcus mutans is a major etiologic agent of human dental caries that forms biofilms on hard tissues in the human oral cavity, such as tooth and dentinal surfaces. Human β-defensin-3 (HBD3) is a 45-amino-acid natural antimicrobial peptide that has broad spectrum antimicrobial activity against bacteria and fungi. A synthetic peptide consisting of the C-terminal 15 amino acids of HBD3 (HBD3-C15) was recently shown to be sufficient for its antimicrobial activity. Thus, clinical applications of this peptide have garnered attention...
October 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28932151/influence-of-irrigating-agents-on-fiber-postpush-out-bond-strength-to-radicular-dentin-sections-with-the-different-adhesive-system
#5
Satheesh B Haralur, Asim Nasser A Alasabi, Sultan A Abohathrah Al Qahtani, Saeed Musleh S Alqahtani
OBJECTIVE: The objective of this study is to evaluate the effect of irrigating agents on push-out bond strength of resin postcemented with various adhesive systems at different radicular dentin sections. MATERIALS AND METHODS: Sixty single-rooted premolar teeth were root canal treated, subsequently decorated at cementoenamel junction. The endodontic postspace was irrigated with 5.25% sodium hypochlorite (NaOCl) and 17% ethylenediaminetetraacetic acid (EDTA) for Group A (n = 30) and Group B (n = 30), respectively...
July 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28925588/evaluation-of-the-effect-of-four-final-irrigation-protocols-on-root-canal-dentin-components-by-polarized-light-microscopy-and-scanning-electron-microscopy
#6
Flávia Emi Razera Baldasso, Luana Roleto Cardoso, Vinicius Duval da Silva, Renata Dornelles Morgental, Patrícia Maria Poli Kopper
The present study aimed to evaluate the effects of four endodontic chelating agents, followed by 2.5% sodium hypochlorite (NaOCl), as final irrigation regimens on organic and inorganic components of human root dentin. Sixty mandibular incisors were prepared and randomly divided into six groups (n = 10): QMiX, 1% peracetic acid (PA), 17% EDTA, 10% citric acid (CA), 2.5% NaOCl (solution control) and distilled water (DW-negative control). After irrigation with the chelating agents, a final flush was performed with 2...
September 19, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28922597/core-shell-silver-nanoparticles-in-endodontic-disinfection-solutions-enable-long-term-antimicrobial-effect-on-oral-biofilms
#7
Elif Ertem, Beatrice Gutt, Flavia Zuber, Sergio Allegri, Benjamin Le Ouay, Selma Mefti, Kitty Formentin, Francesco Stellacci, Qun Ren
To achieve effective long-term disinfection of the root canals, we synthesized core-shell silver nanoparticles (AgNPs@SiO2) and used them to develop two irrigation solutions containing sodium phytate (SP) and ethylene glycol-bis(β-aminoethyl ether)N,N,N',N'-tetraacetic acid (EGTA), respectively. Ex vivo studies with instrumented root canals revealed that the developed irrigation solutions can effectively remove the smear layer from the dentinal surfaces. Further in vitro experiments with single- and multispecies biofilms demonstrated for the first time that AgNPs@SiO2-based irrigation solutions possess excellent antimicrobial activities for at least 7 days, whereas the bare AgNPs lose the activity almost immediately and do not show any antibacterial activity after 2 days...
October 11, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28887850/wear-profile-of-canal-wall-surfaces-and-bond-strength-of-endodontic-sealers-after-in-situ-acid-challenge
#8
R Silva-Neto, M Sousa-Neto, J Pecora, R Palma-Dibb, A Souza-Gabriel
AIM: To evaluate the wear of root wall surfaces, the bond strength of sealers to dentine and the demineralization around filling material after the canals were exposed to acid challenge. METHODOLOGY: Eighty-seven roots of mandibular incisors were selected. Thirty-two were used in the bond strength in vitro study (n=8) and 55 in the in situ study (n=11). Root canals were prepared biomechanically and then filled with gutta-percha and AH Plus, MTA Fillapex, Sealapex or Endofill...
September 8, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28867660/effects-of-smear-layer-removal-agents-on-the-physical-properties-and-microstructure-of-mineral-trioxide-aggregate-cement
#9
Nidambur Vasudev Ballal, Mrunali Sona, Franklin R Tay
OBJECTIVE: To compare the effect of QMix (Dentsply Sirona), 7% maleic acid (MA), and 17% ethylenediaminetetraacetic acid (EDTA) on the microhardness, flexural strength and microstructure of mineral trioxide aggregate (MTA; ProRoot MTA, Dentsply Sirona). METHODS: Forty MTA specimens were divided into four groups: [I] QMix [II] 7% MA [III] 17% EDTA and [IV] distilled water (control). After treatment with 5mL of the respective solution for 1min, the specimens were tested for microhardness using a Knoop hardness tester...
November 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28782855/effect-of-maleic-acid-on-the-bond-strength-of-fibre-posts-to-root-dentine
#10
Fan Fan, Muhammad Ibrahim, Panpan Dai, Yixin Mao, Bing He, Gang Wu, Jianfeng Ma, Shengbin Huang
The aim of this study was to evaluate the effect of maleic acid (MA) on both the bond strength of fibre post to root dentine and smear layer removal after post space preparation. Sixty, single-canal premolars were endodontically treated and randomly assigned to four groups: group 1 [0.9% saline solution (control]); group 2 [2.5% sodium hypochlorite (NaOCl)]; group 3 [17% ethylenediaminetetraacetic acid (EDTA) followed by 2.5% NaOCl]; and group 4 (7% MA followed by 2.5% NaOCl). Self-adhesive resin cement was used to test the adhesion of a glass-fibre post to the root dentine through a micropush-out test...
August 7, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28764283/fabrication-and-appraisal-of-poly-lactic-co-glycolic-acid-moxifloxacin-nanoparticles-using-vitamin-e-tpgs-a-potential-intracanal-drug-delivery-agent
#11
Hardik Makkar, Gaurav Patri
INTRODUCTION: Nanotechnology is gaining momentum in the search for ideal biomaterials by dental researchers. The expansible nature of Endodontology deems exploration, learning and scrutinizing newer avenues which have the potential to be applied and investigated. The popularity of polymers as drug delivery vehicles has opened avenues for their application in the root canal system. This study utilized application of biodegradable polymers as potential drug delivery vehicles against Enterococcus faecalis, one of the main reasons for post treatment disease...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28762439/antibiotic-abuse-during-endodontic-treatment-in-private-dental-centers
#12
Mothanna K AlRahabi, Ziad A Abuong
We evaluated antibiotic prescription practices during root canal treatments among general dentists in private dental clinics in Al-Madinah Al Munawarah, Saudi Arabia. Methods: A self-administered, questionnaire about antibiotic used during root canal treatment was distributed to 75 randomly selected general dental practitioners working in private dental clinics in Al-Madinah Al-Munawarah, Saudi Arabia, between March and April 2016. The questionnaires were collected one week later. To compare results of the collected data, Chi-square test was used...
August 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28761248/a-comparative-evaluation-of-the-effect-of-8-and-17-ethylenediaminetetraacetic-acid-exposure-for-1-min-and-10-min-on-the-fracture-resistance-of-endodontically-treated-roots-an-in-vitro-study
#13
Shreetha Bhandary, Sapna Kakamari, Raghu Srinivasan, Mahesh Martur Chandrappa, Farhat Nasreen, Pramod Junjanna
OBJECTIVE: The objective of this study was to evaluate the effect of 8% and 17% ethylenediaminetetraacetic acid (EDTA) exposure for 1 min and 10 min on the fracture resistance of endodontically treated roots. METHODOLOGY: Sixty human single-rooted teeth were decoronated and divided into six groups (n = 10). Canal preparation was carried out except in negative control group, using the ProTaper rotary file system. Final irrigation was performed using distilled water, 17% EDTA for 1 min and 10 min, 8% EDTA for 1 min and 10 min...
January 2017: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/28755761/do-quaternary-ammonium-monomers-induce-drug-resistance-in-cariogenic-endodontic-and-periodontal-bacterial-species
#14
Suping Wang, Haohao Wang, Biao Ren, Hao Li, Michael D Weir, Xuedong Zhou, Thomas W Oates, Lei Cheng, Hockin H K Xu
OBJECTIVES: Antibacterial monomers were developed to combat oral biofilm acids and caries; however, little is known on whether quaternary ammonium monomers (QAMs) would induce drug resistance in oral bacteria. The objective of this study was to investigate the effects of new antimicrobial monomers dimethylaminohexadecyl methacrylate (DMAHDM) and dimethylaminododecyl methacrylate (DMADDM) on the induction of drug resistance in eight species of cariogenic, endodontic and periodontal bacteria for the first time...
July 26, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28744872/antibiotic-prescription-for-endodontic-infections-a-survey-of-brazilian-endodontists
#15
M R Bolfoni, F G Pappen, T Pereira-Cenci, R C Jacinto
AIM: To investigate antibiotic prescribing habits reported by Brazilian endodontists in specific clinical situations. METHODOLOGY: Brazilian endodontists (n = 13 853) were invited to answer an online questionnaire. The questionnaire consisted of two parts: the first part contained personal data such as age, gender, years of experience and location of endodontic practice; the second part included questions regarding their behaviour when prescribing antibiotics in dental practice...
July 26, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28736604/comparison-between-three-glass-fiber-post-cementation-techniques
#16
Guido Migliau, Luca Piccoli, Stefano Di Carlo, Giorgio Pompa, Laith Konstantinos Besharat, Marco Dolci
OBJECTIVE: The aim of this experimental study was to compare the traditional cement systems with those of the latest generation, to assess if indeed these could represent of viable substitutes in the cementation of indirect restorations, and in the specific case of endodontic posts. METHODS: The assessment of the validity of the cementing methods was performed according to the test of the push-out, conducted on sections obtained from the roots of treated teeth. The samples were divided into three groups...
January 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/28669067/determining-the-optimal-dose-of-1940-nm-thulium-fiber-laser-for-assisting-the-endodontic-treatment
#17
Ayse Sena Kabas Sarp, Murat Gulsoy
Insufficient cleaning, the complex anatomy of the root canal system, inaccessible accessory canals, and inadequate penetration of irrigants through dentinal tubules minimizes the success of the conventional endodontic treatment. Laser-assisted endodontic treatment enhances the quality of conventional treatment, but each laser wavelength has its own its own limitations. The optimal parameters for the antibacterial efficiency of a new wavelength, 1940-nm Thulium Fiber Laser, were firstly investigated in this study...
July 1, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28658907/effect-of-5-chlorine-dioxide-irrigant-on-micro-push-out-bond-strength-of-resin-sealer-to-radicular-dentin-an-in-vitro-study
#18
Rejitha R Kamalasanan, Swapna V Devarasanahalli, Ranjini M Aswathanarayana, K Rashmi, Yashwanth Gowda, Roopa R Nadig
INTRODUCTION: Chlorine dioxide (ClO2) has been recently investigated as a possible root canal irrigant due to its broad spectrum of antimicrobial action, tissue dissolution and smear layer removal properties. Literature is scarce on the effect of chlorine dioxide irrigation on the resin sealer dentin bond strength. AIM: To compare 5% chlorine dioxide (ClO2) with or without Ethylene Diamine Tetra Acetic acid (EDTA) with 3% Sodium hypochlorite (NaOCl) and EDTA combination as endodontic irrigants on the adhesion of AH Plus sealer to radicular dentin using micro- Push out Bond Strength (µPBS) test...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28653756/a-zinc-oxide-modified-hydroxyapatite-based-cement-facilitated-new-crystalline-stoichiometric-and-amorphous-apatite-precipitation-on-dentine
#19
M Toledano, M C Pérez-Álvarez, F S Aguilera, E Osorio, I Cabello, M Toledano-Osorio, R Osorio
AIM: To evaluate the remineralization ability of two endodontic sealer cements. METHODOLOGY: Mid-coronal dentine surfaces were subjected to: i) 37% phosphoric acid (PA) or ii) 0.5 M ethylenediaminetetraacetic acid (EDTA) conditioning prior to the application of two experimental hydroxyapatite-based cements, containing sodium hydroxide (calcypatite) or zinc oxide (oxipatite), respectively. Samples were stored in simulated body fluid for 24 h or 21 d. Remineralization of the dentine surfaces were studied by Raman spectroscopy (mapping with K-means cluster and hierarchical cluster analysis) was undertaken were done...
June 27, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28646693/antibacterial-effect-of-genetically-engineered-bacteriophage-%C3%AF-ef11-%C3%AF-fl1c-%C3%AE-36-p-nisa-on-dentin-infected-with-antibiotic-resistant-enterococcus-faecalis
#20
Justine Monnerat Tinoco, Nadia Liss, Hongming Zhang, Roni Nissan, Wanda Gordon, Eduardo Tinoco, Luciana Sassone, Roy Stevens
OBJECTIVE: Enterococcus faecalis is a gram-positive facultative anaerobic bacterium, which is present in 30-89% of teeth with postendodontic treatment failures. E. faecalis is capable of penetrating dentinal tubules and surviving as a monoculture after conventional endodontic therapy, indicating that it is resistant to commonly used endodontic disinfection protocols. Different E. faecalis strains have shown resistance to several antibiotics, and have been associated with both dental pathology and systemic infections...
October 2017: Archives of Oral Biology
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