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Endodontic acidents

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https://www.readbyqxmd.com/read/28443835/effect-of-boric-acid-versus-conventional-irrigation-solutions-on-the-bond-strength-between-fiber-post-and-root-dentin
#1
Ahmet Kursad Culhaoglu, Erdal Özcan, Mehmet Ali Kilicarslan, Emre Seker
PURPOSE: To compare the effect of boric acid solutions of different percentages to conventional irrigation solutions on the adhesive bond strength between fiber posts and radicular dentin surface with different cement types. MATERIALS AND METHODS: One hundred fifteen extracted human incisors were endodontically instrumented to a length of 14-15 mm, and 12-mm post spaces were prepared with specific drills. Cylindrical fiber posts (Panavia Post) were luted with two different composite cements (Panavia F 2...
April 25, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28394240/effect-of-laser-activated-irrigations-on-smear-layer-removal-from-the-root-canal-wall
#2
Xiaoli Wang, Xiaogang Cheng, Baogang Liu, Xin Liu, Qing Yu, Wenxi He
OBJECTIVE: The purpose of this study was to evaluate the effect of laser-activated irrigations (LAI) by using the Erbium: Yttrium Aluminum Garnet (Er:YAG) laser and the Erbium Chromium: Yttrium Scandium Gallium Garnet (Er,Cr:YSGG) laser on removing smear layer (SL) from the root canal wall. BACKGROUND DATA: LAI has been proposed as an adjuvant to conventional protocols of endodontic treatment to enhance the disinfection, which is a promising protocol for SL removal...
April 5, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28384981/fracture-resistance-of-endodontically-treated-roots-restored-with-fiber-posts-using-different-resin-cements-an-in-vitro-study
#3
Swetha Gopal, Sujatha Irodi, Deepak Mehta, Shankar Subramanya, Vinay Kumar Govindaraju
INTRODUCTION: The influence of the remaining coronal tooth structure along with intra-radicular esthetic posts increases fracture resistance of fractured teeth especially in the anterior region. The advent of resin based luting cements improves the adhesion of fiber posts. AIM: To evaluate the fracture resistance of endodontically treated roots restored with fiber posts using different resin cements - Calibra (etch and rinse), PermaFlo® DC (self-etch primer) and SmartCem2 (self-adhesive)...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28384974/a-comparative-study-of-the-quality-of-apical-seal-in-resilon-epiphany-se-following-intra-canal-irrigation-with-17-edta-10-citric-acid-and-mtad-as-final-irrigants-a-dye-leakage-study-under-vacuum
#4
Saravana Karthikeyan Balasubramanian, Vidya Saraswathi, Nidambur Vasudev Ballal, Shashi Rashmi Acharya, J Sivakumar Sampath, Sandeep Singh
INTRODUCTION: Adequate apical sealing ability of the root canal filling material is an essential requisite for a successful endodontic therapy. Various endodontic irrigants are used for the removal of smear layer before obturating with a solid core material, thereby, reducing microleakage and improving apical seal. Resilon, a synthetic material was developed as an alternative to replace the conventional gutta-percha (standard root canal filling material) and traditional sealers for the obturation of endodontically treated teeth...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28375572/dental-students-knowledge-regarding-the-indications-for-antibiotics-in-the-management-of-endodontic-infections
#5
M Martín-Jiménez, B Martín-Biedma, J López-López, O Alonso-Ezpeleta, E Velasco-Ortega, M C Jiménez-Sánchez, J J Segura-Egea
AIM: To determine the knowledge of undergraduate Spanish dental students regarding the indications of systemic antibiotics in the management of endodontic infections. METHODOLOGY: The final year dental students from four Spanish Dental Schools were requested to answer a one-page questionnaire on the indications for systemic antibiotics in the treatment of endodontic infections. One hundred and seventy-five students were asked to participate in this research. Data were analysed using descriptive statistics and chi square test...
April 4, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28342478/interactions-between-the-tetrasodium-salts-of-edta-and-1-hydroxyethane-1-1-diphosphonic-acid-with-sodium-hypochlorite-irrigants
#6
Philippe Biel, Dirk Mohn, Thomas Attin, Matthias Zehnder
INTRODUCTION: A clinically useful all-in-one endodontic irrigant with combined proteolytic and decalcifying properties is still elusive. In this study, the chemical effects of dissolving the tetrasodium salts of 1-hydroxyethane 1,1-diphosphonic acid (Na4HEDP) or Na4EDTA directly in sodium hypochlorite (NaOCl) irrigants in polypropylene syringes were assessed during the course of 1 hour. METHODS: The solubility of the salts in water was determined. Their compatibility with 1% and 5% NaOCl was measured by iodometric titration and in a calcium complexation experiment by using a Ca(2+)-selective electrode...
April 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28320537/a-randomized-clinical-trial-comparing-2-ibuprofen-formulations-in-patients-with-acute-odontogenic-pain
#7
Tanjit Taggar, Di Wu, Asma A Khan
INTRODUCTION: Ibuprofen sodium dihydrate, a new formulation of ibuprofen, was introduced with the claim of faster onset of analgesia. Most of the data on this new ibuprofen formulation are drawn from studies using the oral surgery model. Because this model differs significantly from the endodontic pain model, we conducted a study comparing ibuprofen sodium dihydrate with conventional ibuprofen acid in endodontic pain patients. METHODS: This randomized, double-masked study recruited subjects experiencing moderate to severe pain from a tooth diagnosed with symptomatic irreversible pulpitis and symptomatic apical periodontitis (n = 41)...
March 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28306162/analysis-of-the-effects-of-several-decalcifying-agents-alone-and-in-combination-with-sodium-hypochlorite-on-the-chemical-composition-of-dentine
#8
T Tartari, L Bachmann, R F Zancan, R R Vivan, M A H Duarte, C M Bramante
AIM: To investigate the effects of several decalcifying agents alone and in combination with sodium hypochlorite (NaOCl) on the organic and inorganic components of dentine using Attenuated Total Reflectance in Fourier Transform Infrared Spectroscopy (ATR-FTIR). METHODOLOGY: Dentine slices from bovine teeth were submitted to (n=5): 0.9% saline, 9% and 18% etidronic acid (HEDP), 5% and 10% tetrasodium EDTA (EDTANa4 ), 17% trisodium EDTA (EDTAHNa3 ), and 0.5% and 2...
March 17, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28217544/assessment-of-knowledge-attitude-and-practices-on-fixed-dose-combinations-among-postgraduate-dental-students
#9
Narayana R Vinnakota, V Krishna, V Viswanath, Zaheer Ahmed, Kamal S Shaik, Naveen K Boppana
AIM: To assess the knowledge, attitude, and practices of fixed dose combination drugs among postgraduate dental students. MATERIALS AND METHODS: A cross-sectional study was carried out among postgraduate dental students of dental colleges in coastal Andhra Pradesh. Three colleges were randomly selected and students of all the three years were included. Data was collected from the specialities of oral medicine and radiology, oral surgery, endodontics, pedodontics, periodontics, and public health dentistry...
December 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28198982/molecular-and-morphological-surface-analysis-effect-of-filling-pastes-and-cleaning-agents-on-root-dentin
#10
Vanessa Benetello Dainezi, Alexsandra Shizue Iwamoto, Airton Abrahão Martin, Luís Eduardo Silva Soares, Yumiko Hosoya, Fernanda Miori Pascon, Regina Maria Puppin-Rontani
Objective: This study evaluated the effect of different filling pastes and cleaning agents on the root dentin of primary teeth using Fourier-transformed Raman spectroscopy (FT-Raman), micro energy-dispersive X-ray fluorescence (µ-EDXRF) and scanning electron microscopic (SEM) analysis. Material and Methods: Eighty roots of primary teeth were endodontically prepared and distributed into 4 groups and filled according to the following filling pastes: Control-no filling (CP), Calen®+zinc oxide (CZ), Calcipex II® (CII), Vitapex® (V)...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28177560/effects-of-an-endodontic-auxiliary-chemical-substance-on-the-bond-strength-of-two-methacrylate-based-endodontic-sealers-to-dentin
#11
Roger Nicolini Fuzinatto, Ana Paula Farina, Matheus Albino Souza, Daniela Cristina Miyagaki, Caio Cézar Randi Ferraz, Doglas Cecchin
PURPOSE: To evaluate the influence of irrigation protocols and drying procedures on the bond strength of two methacrylate-based sealers to dentin and the associated failure pattern using scanning electron microscopy (SEM). MATERIALS AND METHODS: Fifty single-rooted human teeth were prepared with an irrigation protocol using either 5.25% sodium hypochlorite (NaOCl) or 2% chlorhexidine (CHX) and 17% EDTA (ethylenediaminetetraacetic acid) for smear layer removal. The following subgroups were also created based on drying of the root canal walls: paper points, the canals were blot dried with paper points with the last one appearing dry; or, ethanol, excess distilled water was removed with paper points followed by dehydration with 95% ethanol for 1 min and blotting with paper points...
February 8, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/28174365/assessment-of-coronal-leakage-of-temporary-restorations-in-root-canal-treated-teeth-an-in-vitro-study
#12
Pankaj K Srivastava, Ajay Nagpal, Gaurav Setya, Sunil Kumar, Alankrita Chaudhary, Kuldeep Dhanker
INTRODUCTION: Coronal leakage is one of the constant concerns in routine dental practice. It is one of the factors responsible for the failure of root canal therapy. Permanent restorations should be given as soon as possible after the completion of root canal therapy. If unavoidable, provisional restoration should be given in such a way that it maximally reduced the leakage of microorganisms and fluids from the external environment into the canal space. Hence, we evaluated the effect of saliva on the coronal leakage of temporary restorations...
February 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28151960/d-amino-acids-reduce-enterococcus-faecalis-biofilms-in-vitro-and-in-the-presence-of-antimicrobials-used-for-root-canal-treatment
#13
Peter S Zilm, Victor Butnejski, Giampiero Rossi-Fedele, Stephen P Kidd, Suzanne Edwards, Krasimir Vasilev
Enterococcus faecalis is the most frequent species present in post-treatment disease and plays a significant role in persistent periapical infections following root canal treatment. Its ability to persist in stressful environments is inter alia, due to its ability to form biofilms. The presence of certain D-amino acids (DAAs) has previously been shown to reduce formation of Bacillus subtilis biofilms. The aims of this investigation were to determine if DAAs disrupt biofilms in early and late growth stages for clinical E...
2017: PloS One
https://www.readbyqxmd.com/read/28079309/bioactive-injectable-aggregates-with-nanofibrous-microspheres-and-human-dental-pulp-stem-cells-a-translational-strategy-in-dental-endodontics
#14
I Garzón, M A Martin-Piedra, V Carriel, M Alaminos, X Liu, R D Souza
Regeneration of the pulp-dentin complex with stem cells is a potential alternative to conventional root canal treatments. Human dental pulp stem cells (hDPSCs) have been extensively studied because of their ability to proliferate and differentiate into mineralized dental and nondental tissues. In this work we combined hDPSCs with two types of injectable poly-L-lactic acid (PLLA) microspheres with a nanofibrous or smooth surface to form bioactive injectable aggregates, and examined their ability to promote pulp regeneration in the root canal in an in vivo model...
January 12, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28041686/evaluation-of-a-commercially-available-hyaluronic-acid-hydrogel-restylane-as-injectable-scaffold-for-dental-pulp-regeneration-an-in%C3%A2-vitro-evaluation
#15
Vanessa Chrepa, Obadah Austah, Anibal Diogenes
INTRODUCTION: Regenerative endodontic procedures (REPs) are viable alternatives for treating immature teeth, yet these procedures do not predictably lead to pulp-dentin regeneration. A true bioengineering approach for dental pulp regeneration requires the incorporation of a scaffold conducive with the regeneration of the pulp-dentin complex. Several materials have been proposed as scaffolds for REPs; nonetheless, the majority are not eligible for immediate clinical chairside use. Thus, the aim of this study was to evaluate Restylane, a Food and Drug Administration-approved hyaluronic acid-based gel, as possible scaffold for REPs...
February 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28038357/streptococcus-gordonii-induces-nitric-oxide-production-through-its-lipoproteins-stimulating-toll-like-receptor-2-in-murine-macrophages
#16
Hyun Young Kim, Jung Eun Baik, Ki Bum Ahn, Ho Seong Seo, Cheol-Heui Yun, Seung Hyun Han
Streptococcus gordonii, a Gram-positive commensal in the oral cavity, is an opportunistic pathogen that can cause endodontic and systemic infections resulting in infective endocarditis. Lipoteichoic acid (LTA) and lipoprotein are major virulence factors of Gram-positive bacteria that are preferentially recognized by Toll-like receptor 2 (TLR2) on immune cells. In the present study, we investigated the effect of S. gordonii LTA and lipoprotein on the production of the representative inflammatory mediator nitric oxide (NO) by the mouse macrophages...
December 27, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/28005295/antibiotics-in-endodontics-a-review
#17
REVIEW
J J Segura-Egea, K Gould, B Hakan Şen, P Jonasson, E Cotti, A Mazzoni, H Sunay, L Tjäderhane, P M H Dummer
The overuse of antibiotics and the emergence of antibiotic-resistant bacterial strains is a global concern. This concern is also of importance in terms of the oral microbiota and the use of antibiotics to deal with oral and dental infections. The aim of this paper is to review the current literature on the indications and use of antibiotics and to make recommendations for their prescription in endodontic patients. Odontogenic infections, including endodontic infections, are polymicrobial, and in most cases, the prescription of antibiotics is empirical...
December 22, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/28001242/effect-of-the-time-point-of-acid-etching-on-the-persistence-of-sealer-residues-after-using-different-dental-cleaning-protocols
#18
Keren Cristina Fagundes Jordão-Basso, Milton Carlos Kuga, Matheus Coêlho Bandéca, Marco Antonio Hungaro Duarte, Flávia Angélica Guiotti
Endodontic sealer residues remaining within the pulp chamber dentin after root canal obturation and cleaning with various solvents may compromise the appearance and the durability of dental restorations. Acid etching is routinely performed prior to application of dentine adhesive systems, but is effect on residual sealer material and the optimal time-point for performing etching, are unknown. Here, we evaluated the effect of acid etching on the dentin surface when performed either immediately or 7 days after removal of the endodontic sealer with two solvents, i...
December 22, 2016: Brazilian Oral Research
https://www.readbyqxmd.com/read/28000644/comparative-analysis-of-cleaning-ability-of-three-nickel-titanium-rotary-systems-protaper-universal-k3-and-mtwo-an-in-vitro-scanning-electron-microscopic-study
#19
Ambar W Raut, Vijay Mantri, Aparna Palekar, Rupal Gadodia, Shubham Kala, Radha A Raut
BACKGROUND: Endodontic instruments including the nickel-titanium (NiTi) instruments produce debris and smear layer during instrumentation. The study was carried out to evaluate and compare the cleaning effectiveness of root canal preparation using three different rotary NiTi instrumentation systems - ProTaper Universal, K3 and Mtwo by means of scanning electron microscopy (SEM). METHODS: Thirty-six freshly extracted permanent mandibular molars were randomly divided into four groups: ProTaper Universal, K3, Mtwo system and control group...
October 2016: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/27994888/a-rare-malignant-peripheral-nerve-sheath-tumor-of-the-maxilla-mimicking-a-periapical-lesion
#20
José Alcides Arruda, Pamella Álvares, Luciano Silva, Alexandrino Pereira Dos Santos Neto, Cleomar Donizeth Rodrigues, Antônio Caubi, Marcia Silveira, Sandra Sayão, Ana Paula Sobral
Malignant peripheral nerve sheath tumor is a malignant neoplasm that is rarely found in the oral cavity. About 50% of this tumor occurs in patients with neurofibromatosis type I and comprises approximately 10% of all soft tissue sarcomas of head and neck region. Intraosseous malignant peripheral nerve sheath tumor of the maxilla is rare. This article is the first to address malignant peripheral nerve sheath tumor of the maxilla presenting as a periapical radiolucency on nonvital endodontically treated teeth in the English medical literature...
2016: Case Reports in Dentistry
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