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      Repair of an Extensive Furcation Perforation with CEM Cement: A Case Study

      case-report

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          Abstract

          Iatrogenic perforation of the furcation area in multi-rooted molars during preparation of the access cavity can potentially lead to tooth extraction. The present case report describes the nonsurgical endodontic management of an extensive pulp chamber floor perforation in a first mandibular molar with calcium enriched mixture (CEM) cement. The perforation was chemically cleaned and then physically sealed with CEM cement. Root canal therapy was completed and the tooth was then restored with amalgam. A one-year follow-up revealed the absence of symptoms of infection/inflammation as well as clinical and radiographic signs/symptoms and therefore, can be interpreted as a favorable treatment outcome.

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          Antibacterial effects of five different root canal sealing materials.

          Farshid Akbari Kamrani, Saeed Asgary (2008)
          The aim of this in vitro study was to assess the antibacterial effects of gray and white mineral trioxide aggregate (GMTA and WMTA), calcium hydroxide (CH), Portland cement (PC) and a new endodontic cement (NEC) on various species of microorganisms, using agar diffusion test. A base layer of Petri plates was made using Muller-Hinton agar. Five cavities were made in agar and filled with fresh mixed materials after 24 h. Pseudomonas aeruginosa, Enterococcus faecalis, Staphylococcus aureus, Escherichia coli and a mixture of these bacteria were seeded by pour plate. The plates were preincubated for 2 h at room temperature followed by incubation at 37 degrees C. The inhibition zone diameters were measured at 24, 48 and 72 h. The highest mean diameters of growth inhibition zones were observed around NEC and CH. According to one-way ANOVA, there was a significant difference among test groups (P < 0.001), while post-hoc test revealed no significant difference between the mean zone diameters of NEC and CH, and also between MTAs and PC. However, there was a significant difference between CH and NEC in comparison with MTAs and PC groups (P < 0.001). It appears that NEC may act as a potent antibacterial agent similar to CH.
          Article 0 comments Cited 72 times – based on 0 reviews     Review now
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            Periradicular regeneration after endodontic surgery with calcium-enriched mixture cement in dogs.

            Saeed Asgary, Mohammad Eghbal, Sara Ehsani (2010)
            The aim of this in vivo study was to compare the response of periradicular tissues to mineral trioxide aggregate (MTA) and calcium-enriched mixture (CEM) cement as root-end fillings and to analyze hard tissue healing after periradicular surgery. Intentional periradicular lesions were induced in 32 premolar teeth in 4 beagle dogs. The root canals were prepared, dried, and obturated with laterally condensed gutta-percha with sealer, and the coronal access cavities were filled with amalgam. After surgical exposure of the apices, 2-3 mm of the apical root was resected, and root-end cavities were ultrasonically prepared. The root-end cavities were randomly filled with MTA or CEM cement. After 2 months, the animals were killed; tissue blocks were removed and prepared for histologic examination. Hard tissue healing including cementum and new bone formation in addition to concentration and extent of inflammation were evaluated. Eight samples were excluded. The major finding was the cementum deposition adjacent to MTA in 11 of 12 samples and CEM cement in 10 of 12 samples. With one-way analysis of variance, no significant difference was observed between the periradicular tissue response to tested materials. CEM cement and MTA were associated with regenerative periapical tissue response when used as root-end filling biomaterials. Copyright (c) 2010 American Association of Endodontists. Published by Elsevier Inc. All rights reserved.
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              Root perforations: classification and treatment choices based on prognostic factors.

              M Trope, Z Fuss (1996)
              Root perforations are common complications of endodontic treatment or post preparation and often lead to tooth extraction. Successful treatment depends mainly on immediate sealing of the perforation and prevention of infection. Several factors affect the achievement of these goals, most important of which are: time of occurrence, size, and location of the perforation. A classification of root perforations, based on the above factors, is presented to assist the clinician in the choice of the treatment protocol which will give the best possible results when a perforation is diagnosed.
              Article 0 comments Cited 59 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Iran Endod J
                Journal ID (iso-abbrev): Iran Endod J
                Journal ID (publisher-id): IEJ
                Title: Iranian Endodontic Journal
                Publisher: Iranian Center for Endodontic Research (Tehran, Iran )
                ISSN (Print): 1735-7497
                ISSN (Electronic): 2008-2746
                Publication date (Print): Winter 2014
                Publication date (Electronic): 24 December 2013
                Volume: 9
                Issue: 1
                Pages: 79-82
                Affiliations
                [a ] Dental Research Center, Research Institute of Dental sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran;
                [b ] Iranian Center for Endodontic Research, Research Institute of Dental sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
                Author notes
                [* ]Corresponding author: Saeed Asgary, Iranian Center for Endodontic Research, Research Institute of Dental Sciences, Shahid Beheshti Dental School, Evin, Tehran, Iran. Tel:+98-21 22413897 Fax: +98-21 22427753 E-mail: saasgary@yahoo.com
                Article
                Publisher ID: iej-09-79
                PMC ID: 3881307
                PubMed ID: 24396381
                SO-VID: 67a3e9f9-ca24-4c53-86ae-1ab8b39b93c4
                Copyright © © 2014, Iranian Center for Endodontic Research
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License, ( http://creativecommons.org/licenses/by/3.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 20 May 2013
                Date revision received : 1 November 2013
                Date accepted : 13 November 2013
                Categories
                Subject: Case Report

                ScienceOpen disciplines: Dentistry
                Keywords: calcium enriched mixture,cem cement; dental cements,furcation perforation,treatment outcome,biocompatibility,endodontics,root canal therapy
                Data availability:
                ScienceOpen disciplines: Dentistry
                Keywords: calcium enriched mixture, cem cement; dental cements, furcation perforation, treatment outcome, biocompatibility, endodontics, root canal therapy

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