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endodontics, root canal,

M C M Conde, L A Chisini, R Sarkis-Onofre, H S Schuch, J E Nör, F F Demarco
The aim of this Scoping Study was to evaluate the survival rate and nature of tissue formed inside root canals of human Necrotic Immature Permanent Teeth (NIPT) under root canal revascularization (RCR). The search was performed in SciVerse Scopus(®) , PubMed/Medline, Web of Science(®) , BIREME and in grey literature up to November 2015. The keywords were selected using MeSH terms and DECs. Two independent reviewers scrutinized the records obtained considering specific inclusion criteria. The included studies were evaluated in accordance with a modified Arksey and O' Malley's framework...
October 22, 2016: International Endodontic Journal
Lars Bjørndal, Catharina Amaloo, Merete Markvart, Vibe Rud, Klaus Qvortrup, Camilla Stavnsbjerg, Thomas Bjarnsholt
INTRODUCTION: The aim was to present a case report of a full-length extrusion of an obturator's core carrier into the maxillary sinus, causing clinical symptoms from the nose region with differential diagnostics aspects, which, in turn, led to several surgical treatments of the nostrils before diagnosis and correct endodontic retreatment of a maxillary right first molar. A 36-year-old man presented in 2012 with complaints from the right nostril region. Medical treatment with antibiotics and surgical procedures because of nasal stenosis resulted only in partial improvement...
October 18, 2016: Journal of Endodontics
Marie Congiusta, Analia Veitz-Keenan
Data sourcesCochrane Oral Health group Trials Register, the Cochrane Central Register of Controlled Trials, Medline, US National Institutes of Health Trials Register, WHO-Clinical Trials Registry Platform for ongoing trials.Study selectionOnly randomised and quasi-randomised studies were pursued. No restrictions were placed on language or date of publication. The primary outcome sought was treatment success (complete healing or incomplete healing), uncertain healing and failure after one year of treatment, between one and four years and more than four years after treatment...
September 2016: Evidence-based Dentistry
Giuseppe Lo Giudice, Angelo Lizio, Roberto Lo Giudice, Antonio Centofanti, Giuseppina Rizzo, Michele Runci, Angela Alibrandi, Marco Cicciù
Aim. Purpose of the present paper is to analyze the efficiency of different post-space irrigation protocols. Methods. 28 single rooted teeth were endodontically treated. After post-space preparation every sample was assigned to one of three experimental groups and to one control group. In each group different irrigation protocols were performed as follows: EDTA (Group A), 37% orthophosphoric acid (Group B), and EDTA + 37% orthophosphoric acid with ultrasounds activation (Group C). In the control group (Group D) the irrigate association was not activated by ultrasounds...
2016: International Journal of Dentistry
Paul Monsarrat, Bertrand Arcaute, Ove A Peters, Elisabeth Maury, Norbert Telmon, Marie Georgelin-Gurgel, Delphine Maret
OBJECTIVES: In endodontic practice, clinicians should be aware of possible root canal anatomic variations. The aim of this study was to assess using CBCT acquisitions regarding whether one root canal anatomy of a tooth is associated with a specific anatomy of another tooth. METHODS: A total of 106 CBCT acquisitions were obtained using a CBCT scanner with 200μm voxel size. Numbers of roots and canals of the entire dentition were described. Bivariate analyses and logistic regressions were conducted to explore root canal anatomy on one tooth according to age, gender, jaw, side and the others teeth...
2016: PloS One
Massimo Del Fabbro, Stefano Corbella, Patrick Sequeira-Byron, Igor Tsesis, Eyal Rosen, Alessandra Lolato, Silvio Taschieri
BACKGROUND: When primary root canal therapy fails, periapical lesions can be retreated with or without surgery. Root canal retreatment is a non-surgical procedure that involves removal of root canal filling materials from the tooth, followed by cleaning, shaping and obturating of the canals. Root-end resection is a surgical procedure that involves exposure of the periapical lesion through an osteotomy, surgical removal of the lesion, removal of part of the root-end tip, disinfection and, commonly, retrograde sealing or filling of the apical portion of the remaining root canal...
October 19, 2016: Cochrane Database of Systematic Reviews
Maciej Janeczek, Piotr Kosior, Dagmara Piesiak-Pańczyszyn, Krzysztof Dudek, Aleksander Chrószcz, Agnieszka Czajczyńska-Waszkiewicz, Małgorzata Kowalczyk-Zając, Aleksandra Gabren-Syller, Karol Kirstein, Aleksandra Skalec, Ewelina Bryła, Maciej Dobrzyński
Measurements of the root canal during endodontic treatment have a significant influence on the course of the therapeutic process as well as on its final result in both human and veterinary medicine. The apical constriction should be the termination point for the preparation and filling of the root canal. This research was conducted with the use of a Septodont kit consisting of a small chamber filled with the examined solution in which a healthy second incisor was placed. The step back method was applied for the root canal preparation and master apical file of 30 was used...
2016: BioMed Research International
Maryam Pourhajibagher, Nasim Chiniforush, Roghayeh Ghorbanzadeh, Abbas Bahador
BACKGROUND: Photo-activated disinfection (PAD) is a novel treatment approach, in which bacteria in the root canal system may be exposed to sub-lethal doses of PAD. Such exposure can affect bacterial survival and virulence features, such as biofilm formation ability. The aim of this study was to evaluate the effects of sub-lethal doses of PAD (sPAD) using indocyanine green (ICG) on load and biofilm formation ability of Porphyromonas gingivalis as an anaerobic bacterium associated with endodontic infection...
October 12, 2016: Photodiagnosis and Photodynamic Therapy
Pauline M Lang, Rogério C Jacinto, Tatiane S Dal Pizzol, Maria Beatriz C Ferreira, Francisco Montagner
Infected root canal or acute apical abscess exudates can harbour several species, including Fusobacterium, Porphyromonas, Prevotella, Parvimonas, Streptococcus, Treponema, Olsenella and not-yet cultivable species. A systematic review and meta-analysis was performed to assess resistance rates to antimicrobial agents in clinical studies that isolated bacteria from acute endodontic infections. Electronic databases and the grey literature were searched up to May 2015. Clinical studies in humans evaluating the antimicrobial resistance of primary acute endodontic infection isolates were included...
September 30, 2016: International Journal of Antimicrobial Agents
Shin Hye Chung, Young-Seok Park, Kwang-Shik Bae, Seung-Ho Baek, Kee-Yeon Kum, Woocheol Lee, Won-Jun Shon
Endodontic implant pathology (EIP) refers to cases in which endodontic infections cause infections in adjacent implants, and vice versa. This case report demonstrates the successful resolution of two types of EIPs, implant endodontitis and endodontic implantitis, by endodontic intervention with surgical treatment. In case 1, the patient complained of tooth discomfort after implant placement in the adjacent tooth. The tooth was sensitive to percussion and showed slight mobility with a negative reaction to an electric pulp test...
November 2016: International Journal of Periodontics & Restorative Dentistry
Letícia Maria Menezes Nóbrega, Francisco Montagner, Adriana Costa Ribeiro, Márcia Alves Pinto Mayer, Brenda Paula Figueiredo de Almeida Gomes
The aim of this study was to explore the bacterial diversity of 10 root canals with acute apical abscess using clonal analysis. Samples were collected from 10 patients and submitted to bacterial DNA isolation, 16S rRNA gene amplification, cloning, and sequencing. A bacterial genomic library was constructed and bacterial diversity was estimated. The mean number of taxa per canal was 15, ranging from 11 to 21. A total of 689 clones were analyzed and 76 phylotypes identified, of which 47 (61.84%) were different species and 29 (38...
October 10, 2016: Brazilian Oral Research
Fabiano Luiz Heggendorn, Gabriela Cristina de Carvalho Silva, Elisama Azevedo Cardoso, Helena Carla Castro, Lúcio Souza Gonçalves, Eliane Pedra Dias, Viviane de Oliveira Freitas Lione, Márcia Teresa Soares Lutterbach
This study assessed the cell viability of the inoculation vehicle of BACCOR (a combination of sulfate-reducing bacteria plus a culture media for bacteria), a biopharmaceutical product under development for dental use as aid in fractured endodontic file removal from the root canal. Different culture media for bacteria were evaluated: modified Postgate E (MCP-E mod), Modified Postgate E without Agar-agar (MCP-E w/Ag), Postgate C with Agar-agar (MCP-C Ag) and Postgate C without Agar-agar (MCP-C w/Ag). Cytotoxicity was quantified by the MTT test, exposing L929 and Vero cell lines to the vehicles over 24 h...
2016: Dental Materials Journal
Mehmet Burak Guneser, Makbule Bilge Akbulut, Ayce Unverdi Eldeniz
The aim of the present study was to compare the antimicrobial effect of sodium hypochlorite (NaOCl), 2% chlorhexidine (CHX), a CHX/cetrimide solution (CHX+CTR), octenidine hydrochloride (OCT) and Salvia officinalis plant extract against Enterococcus faecalis. Seventy decoronated single-rooted human teeth were infected and divided into 6 test (n=10) and 2 control groups (n=5) (negative, sterile samples and positive, infected samples). Following irrigants were then applied to test groups: 2.5% NaOCl, 5.25% NaOCl, CHX, CHX+CTR, S...
2016: Dental Materials Journal
Vineet Agrawal, Sonali Kapoor, Isha Agrawal
The main purpose of a root canal treatment is to eliminate the bacteria and their products from the pulp space. Chemomechanical preparation (chemical-refers to irrigating solutions, i.e., either synthetic chemicals or herbal solutions and mechanical-refers to instrumentation of a root canals with endodontic files) of a root canal system plays a major role in obtaining the rationale of root canal treatment. Various synthetic chemicals known as endodontic irrigants play a major role in disinfection, but also have undesirable properties like allergic potential, toxicity, unacceptable taste, etc...
August 11, 2016: Journal of Dietary Supplements
Pablo Castelo-Baz, Purificación Varela-Patiño, Giuseppe Cantatore, Ana Domínguez-Perez, Manuel Ruíz-Piñón, Ramón Miguéns-Vila, Benjamín Martín-Biedma
BACKGROUND: The efficacy of endodontic irrigation procedures can be compromised by the complexity of the root canal system. Delivering irrigants to the apical third of curved canals presents a particular challenge to endodontists. This study compared the effects of two ultrasonic irrigation techniques on the penetration of sodium hypochlorite into the main canal and simulated lateral canals of curved roots in extracted teeth. MATERIAL AND METHODS: Two sets of simulated lateral canals were created at 2, 4, and 6 mm from the working length in 60 single-rooted teeth (6 canals/tooth, n = 360 canals)...
October 2016: Journal of Clinical and Experimental Dentistry
Carlos Am Falcão, Verbena C Albuquerque, Neusinárya Ls Amorim, Sérgio Ap Freitas, Tanit C Santos, Francisca Tc Matos, Maria Aal Ferraz
The success of any endodontic therapy depends on factors such as correct diagnosis and prognosis. Unawareness or failure to locate additional canals, such as the mesiopalatal canal in the upper first molar, may lead to unsuccessful treatment. Hence, it is valid to consider all the resources available for locating this anatomic structure, e.g. the Cone-Beam Computed Tomography (CBCT). The purpose of this study was to verify the frequency of mesiopalatal canals in upper first permanent molars through computed tomography...
April 2016: Acta Odontológica Latinoamericana: AOL
F Ferreira, I Barbosa, P Scelza, D Russano, J Neff, M Montagnana, M Zaccaro Scelza
AIM: To describe a new method for the assessment of nanoscale alterations in the surface topography of nickel-titanium endodontic instruments using a high-resolution optical method, and to verify the accuracy of the technique. METHODOLOGY: Noncontact three-dimensional optical profilometry was used to evaluate defects on a size 25, .08 taper reciprocating instrument (WaveOne(®) ), which was subjected to a cyclic fatigue test in a simulated root canal in a clear resin block...
October 1, 2016: International Endodontic Journal
Omid Dianat, Fatemeh Mashhadi Abas, Payam Paymanpour, Mohammad Jafar Eghbal, Sahar Haddadpour, Nazanin Bahrololumi
BACKGROUND/AIM: Different types of scaffolds have been suggested for endodontic repair procedures. The aim of this study was to compare the outcome of procedures using blood clot versus plasma rich in growth factors (PRGF) scaffold in immature teeth with apical periodontitis in dogs. MATERIALS AND METHODS: In this in vivo animal study, 20 teeth (30 canals) with open apices were divided into two groups (n = 12): (1) blood clot and (2) PRGF. Two positive and negative control groups were also selected randomly...
September 30, 2016: Dental Traumatology: Official Publication of International Association for Dental Traumatology
Gozde Ozcan, Ahmet Ercan Sekerci, Fatma Kocoglu
Knowledge of the different anatomical variations in root canal system of dedicious dentition will improve the practice of the pediatric dentists. The teeth with C-shaped root canal configurations are definitely a problem in endodontic treatment. Dentists who are specialists of endodontics must have adequate knowledge about various root canal morphologies of primary tooth that have a tendency for rapid progression of dental caries to achieve a technically satisfactory outcome. This report presents an extraordinary case of unusual tooth morphology involving the mandibular first primary molar with a C-shaped configuration which has not yet been reported...
October 2016: Journal of the Indian Society of Pedodontics and Preventive Dentistry
Ionela Elisabeta Ciobanu, Darian Rusu, Stefan-Ioan Stratul, Andreea Cristina Didilescu, Corina Marilena Cristache
Root canal stripping is defined as an oblong, vertical perforation that appears especially in the middle section of curved root canals during endodontic treatments with nickel-titanium (Ni-Ti) instruments. Its occurrence may drastically affect the outcome of the treatment, transforming a common otherwise efficient endodontic procedure into a complication such as tooth extraction. In order to discuss the ethical and legal consequences, two cases of dental strip perforations are herewith presented. Due to the existence of risk factors for dental strip perforation, experience of the clinician and the use of magnification and modern imagistic methods (CBCT) may avoid or reduce the frequency of this type of accidents...
2016: Case Reports in Dentistry
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