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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/29042719/a-novel-conservative-approach-combining-sealbio-and-surgical-fenestration-for-healing-of-large-periapical-cystic-lesions-of-endodontic-origin-a-pilot-study
#2
Naseem Shah
OBJECTIVES: To evaluate the treatment outcome of large periapical cystic lesions treated by combining two novel, conservative approaches, "SealBio" and "Surgical Fenestration". MATERIALS AND METHODS: Five cases (4M:1F, age range 14-38 years, mean age 24.5 years) of large periapical cystic lesions, diagnosed on clinical and radiographic examination, were included in the study. After informed consent, endodontic treatment was initiated; chemo-mechanical preparation and intra-canal dressing of calcium hydroxide was given...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29036234/-radiolucent-and-opaque-lesions-on-a-panoramic-radiograph-a%C3%A2-cyst-or-not
#3
S A Zijderveld, J P A van den Bergh
In the context of pain diagnostics, several lesions, partially radiolucent and partially opaque, were identified by chance in the mandible and maxilla. On the basis of the characteristic x-ray image, it was assumed to be cemento-osseous dysplasia. At an early stage, this cannot easily be distinguished from apical periodontitis. An incorrect diagnosis could lead to needless endodontic treatment.
October 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/29035722/multiple-complex-somatosensory-systems-in-mature-rat-molars-defined-by-immunohistochemistry
#4
Margaret R Byers, Leanne M Cornel
OBJECTIVE: Intradental sensory receptors trigger painful sensations and unperceived mechanosensitivity, but the receptor bases for those functions are only partly defined. We present new evidence here concerning complex endings of myelinated axons in rat molars. DESIGN: We sectioned mature rat jaws in sagittal and transverse planes to analyze neural immunoreactivity (IR) for parvalbumin, peripherin, neurofilament protein, neurotrophin receptors, synaptophysin, calcitonin gene-related peptide (CGRP), or mas-related g-protein-receptor-d (Mrgprd)...
September 29, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29034602/gender-and-arch-effects-on-the-use-of-non-opioid-analgesics-for-post-endodontic-pain-reduction
#5
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/29034570/efficacy-of-different-carriers-for-the-triple-antibiotic-powder-during-regenerative-endodontic-procedures
#6
David Hwang, Hanson Fong, James D Johnson, Avina Paranjpe
Chemical debridement during Regenerative Endodontic procedures is important. Previous research studies have evaluated various antibiotics and their concentrations but none have addressed the concern of delivering these materials. Hence, the purpose of this study was to determine what carrier could be used effectively in a clinical setting. Sixty caries-free maxillary incisors were used and inoculated with Enterococcus faecalis and divided into positive and irrigation controls and experimental groups that had triple antibiotic powder (1:1:1 ciprofloxacin:metronidazole:minocycline) delivered using various carriers: saline, cotton, sponge and methylcellulose...
October 16, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29033092/comparison-of-il-1%C3%AE-tnf-%C3%AE-hbd-2-and-hbd-3-expression-in-the-dental-pulp-of-smokers-versus-nonsmokers
#7
Caroline Ghattas Ayoub, Anita Aminoshariae, Mohammed Bakkar, Santosh Ghosh, Tracey Bonfield, Catherine Demko, Thomas A Montagnese, Andre K Mickel
INTRODUCTION: To date, the endodontic literature lacks research on the effect of smoking on cytokine and defensin expression in the dental pulp. Therefore, the aim of this study was to investigate the expression of interleukin (IL)-1β, tumor necrosis factor (TNF)-α, human beta defensin (hBD)-2 and hBD-3 in the dental pulp of smokers and compare them with nonsmokers. We hypothesized that cytokine and defensin expression would be reduced in smokers as compared with nonsmokers. METHODS: Thirty-two smokers and 37 nonsmokers with endodontic pulpal diagnoses of normal, symptomatic irreversible pulpitis and asymptomatic irreversible pulpitis were included in this cross-sectional study...
October 12, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29033091/influence-of-artifact-reduction-tools-in%C3%A2-micro-computed-tomography-images-for%C3%A2-endodontic-research
#8
Polyane Mazucatto Queiroz, Karla Rovaris, Hugo Gaêta-Araujo, Stefani Marzola de Souza Bueno, Deborah Queiroz Freitas, Francisco Carlos Groppo, Francisco Haiter-Neto
INTRODUCTION: Micro-computed tomography (μCT) is an imaging modality of growing application in endodontic research because of its nondestructive technology that enables visualization at the micrometer level. In the presence of high-density material, images acquired with μCT may present artifacts. Thus, the aim of this study was to evaluate subjectively and objectively the influence of artifact reduction tools available for μCT image reconstruction to determine whether their use can influence endodontic research outcomes...
October 12, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29033089/the-effect-of-heating-time-and-temperature-on-epoxy-resin-and-calcium-silicate-based-endodontic-sealers
#9
Amre R Atmeh, Emad AlShwaimi
INTRODUCTION: With the growing use of warm obturation techniques during endodontic treatment, more interest is directed toward sealers' compatibility with heat. This study aimed to evaluate the effect of heat application duration and temperature on epoxy resin- and calcium silicate-based sealers using chemical and thermogravimetric analyses. METHODS: Freshly mixed samples (n = 5/group) of each sealer were heated at 200°C or 250°C for 30 or 60 seconds. Additional 2 sets of samples were examined directly after mixing or after setting without heat exposure...
October 12, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29033088/evaluation-of-effect-of-foraminal-enlargement-of-necrotic-teeth-on-postoperative-symptoms-a-systematic-review-and-meta-analysis
#10
REVIEW
Erlange Andrade Borges Silva, Ludmila Silva Guimarães, Erika Calvano Küchler, Lívia Azeredo A Antunes, Leonardo Santos Antunes
INTRODUCTION: The intentional enlargement of the apical foramen is designed to reduce the microbial load in the apical foramen, or even beyond, to levels more favorable for repair. This study provides a systematic review and meta-analysis to address the PICOS question: in adult patients who undergo endodontic treatment, does foraminal enlargement (FE) cause different postoperative symptoms in comparison with conventional endodontic treatment? METHODS: The PROSPERO registration number is CRD42017059921 and was conducted following the PRISMA statements...
October 12, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29033086/intentional-replantation-techniques-a%C3%A2-critical%C3%A2-review
#11
REVIEW
Bradley D Becker
INTRODUCTION: Techniques and armamentarium for intentional replantation have varied throughout the years with no universally accepted clinical treatment guidelines. A wide range of success rates has been reported, and accordingly, this treatment method has often been regarded as a treatment of last resort. However, recent studies have shown more consistent success rates as high as 88% to 95%. In light of these new studies, intentional replantation may now be considered a more commonly accepted treatment modality...
October 12, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29033085/correlation-between-endodontic-infection-and-periodontal-disease-and-their-association-with-chronic-sinusitis-a-clinical-tomographic-study
#12
Carolina Oliveira de Lima, Karina Lopes Devito, Letícia Raquel Baraky Vasconcelos, Maíra do Prado, Celso Neiva Campos
INTRODUCTION: The proximity of the roots of maxillary posterior teeth to the maxillary sinus floor can be associated with the development of chronic maxillary sinusitis (CMS). Therefore, this study evaluated the correlation between the presence of endodontic infection and periodontal disease in maxillary posterior teeth and the presence of CMS. METHODS: A total of 83 patients (159 maxillary sinuses) were selected and underwent clinical dental examination to assess tooth mobility and pulp condition...
October 12, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29032822/evaluation-of-the-cytotoxicity-and-biocompatibility-of-new-resin-epoxy-based-endodontic-sealer-containing-calcium-hydroxide
#13
Luciano Tavares Angelo Cintra, Francine Benetti, Índia Olinta de Azevedo Queiroz, Luciana Louzada Ferreira, Loiane Massunari, Carlos Roberto Emerenciano Bueno, Sandra Helena Penha de Oliveira, João Eduardo Gomes-Filho
INTRODUCTION: Many endodontic sealers are available, but the search for the ideal sealer continues. This study evaluated the cytotoxicity and biocompatibility of Sealer Plus, a new resin epoxy-based endodontic sealer containing calcium hydroxide. AH Plus, Endofill, and SimpliSeal endodontics sealers were used for comparison. METHODS: L929 fibroblasts were cultured, and an MTT assay was used to determine the cytotoxicity of the sealer extracts at 6, 24, 48, and 72 hours...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29032821/16s-ribosomal-rna-gene-sequencing-to-evaluate-the-effects-of-6-commonly-prescribed-antibiotics
#14
Kendall P Slaton, Michael D Huffer, Edward J Wikle, Jie Zhang, Casey D Morrow, S Craig Rhodes, Paul D Eleazer
INTRODUCTION: The rapid antibiotic sensitivity test (RAST) is a novel in-office culture and sensitivity system for endodontic infections. The purpose of this research was to validate the RAST system as a viable, in-office alternative to antibiotic sensitivity testing using turbidity to determine antibiotic sensitivities of endodontic infections. METHODS: Aspirates were taken from the root canals of 9 necrotic human teeth at the initiation of root canal therapy. These samples were cultured in the RAST medium, and antibiotic sensitivity to 6 antibiotics was tested...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29032820/methodological-quality-assessment-of-meta-analyses-in-endodontics
#15
REVIEW
Sereen Kattan, Su-Min Lee, Meetu R Kohli, Frank C Setzer, Bekir Karabucak
INTRODUCTION: The objectives of this review were to assess the methodological quality of published meta-analyses related to endodontics using the assessment of multiple systematic reviews (AMSTAR) tool and to provide a follow-up to previously published reviews. METHODS: Three electronic databases were searched for eligible studies according to the inclusion and exclusion criteria: Embase via Ovid, The Cochrane Library, and Scopus. The electronic search was amended by a hand search of 6 dental journals (International Endodontic Journal; Journal of Endodontics; Australian Endodontic Journal; Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology; Endodontics and Dental Traumatology; and Journal of Dental Research)...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29032818/radiographic-histologic-and-biomechanical-evaluation-of-combined-application-of%C3%A2-platelet-rich-fibrin-with-blood-clot-in%C3%A2-regenerative-endodontics
#16
Ronghui Zhou, Yumin Wang, Yuemin Chen, Shuai Chen, Hongbing Lyu, Zhiyu Cai, Xiaojing Huang
INTRODUCTION: No in vivo study has been reported on the mechanical reinforcement of a tooth after regenerative endodontic treatment (RET). The present work aimed to evaluate the concurrent use of platelet-rich fibrin (PRF) with a blood clot (BC) in RET concerning periapical healing, root development, and tooth structural reinforcement. METHODS: In our study, 24 premolars from 3 beagle dogs were assigned into control, BC, and PRF + BC groups. Periapical healing was monitored with quantitative measurements of root elongation and thickening radiographically...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29032816/physicochemical-properties-and-volumetric-change-of-silicone-bioactive-glass-and-calcium%C3%A2-silicate-based-endodontic-sealers
#17
Mario Tanomaru-Filho, Fernanda Ferrari Esteves Torres, Gisselle Moraima Chávez-Andrade, Madelise de Almeida, Luciana Guilherme Navarro, Liviu Steier, Juliane Maria Guerreiro-Tanomaru
INTRODUCTION: This study evaluated setting time (ST), radiopacity, pH, flow, solubility, and volumetric change (VC) of a silicone, gutta-percha, and bioactive glass-based sealer, GuttaFlow Bioseal (GFB), and a calcium silicate-based sealer, TotalFill BC Sealer (TFBC), in comparison with AH Plus. METHODS: ST and flow were evaluated in accordance with the ISO 6876 Standard. pH was evaluated after different time intervals (1, 3, 7, 14, 21, and 28 days). Radiopacity was evaluated by radiographic analysis in millimeters of aluminum...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29026703/endodontic-management-of-a-maxillary-first-molar-with-seven-root-canal-systems-evaluated-using-cone-beam-computed-tomography-scanning
#18
Vijay Reddy Venumuddala, Sridhar Moturi, S V Satish, B Kalyan Chakravarthy, Sudhakar Malapati
Permanent maxillary first molar morphology has been studied widely. Usually, it has three roots with three canals and the frequent deviation being incidence of a second mesiobuccal canal, thus showing a multifaceted root canal anatomy. Other variations comprise four and five roots and abnormal root canal morphology within individual roots. Many case reports with five and six root canals or a C-shaped canal configuration have been reported in the past. This varying number of root canals poses a challenge for endodontist in detecting and treating by root canal treatment...
September 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29026702/apical-extrusion-of-intracanal-bacteria-with-single-file-and-multifile-rotary-instrumentation-systems
#19
Eshaghali Saberi, Shahram Shahraki Zahedani, Sediqe Ebrahimipour
AIMS AND OBJECTIVES: Instrumentation techniques may cause extrusion of microorganisms and their products into the periapical region resulting inflammation and treatment failure. The aim of this ex vivo study was comparing the apical bacterial extrusion in canals prepared with single file versus multiple file rotary systems. MATERIALS AND METHODS: Ninety-two human single-rooted mandibular first premolars were used. Endodontic access cavities were prepared, and root canals were contaminated with an Enterococcus faecalis (E...
September 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29026699/comparison-of-the-clinical-biological-width-with-the-published-standard-histologic-mean-values
#20
Fatme Mouchref Hamasni, Fady El Hajj
AIMS AND OBJECTIVES: Biologic width (BW) as defined by Cohen is the part of the supracrestal gingival tissues that occupy the space between the base of the gingival crevice and the alveolar crest; it includes the junctional epithelium and the connective tissue element. Interactions between dental crowns and the marginal periodontal tissues analyzed in many review papers concluded that the recognition of the BW, in terms of crown margin placement, is beneficial for periodontal health. Therefore, knowledge of the dimensions of the sum of the junctional epithelium and connective tissue attachment as well as the sulcus depth (SD) is of clinical relevance...
September 2017: Journal of International Society of Preventive & Community Dentistry
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