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      Radiographic Study of the Prevalence of Dens Invaginatus in a Sample Set of Turkish Dental Patients

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          Abstract

          Aim:

          The aim of this study was to determine the prevalence of dens invaginatus in a sample of Turkish dental patients.

          Materials and Methods:

          The sample included 6, 912 panoramic radiographs from different Turkish dental patients. The ages of the patients ranged from 18 to 50 years. A tooth was considered having dens invaginatus if an infolding of a radiopaque ribbon-like structure equal in density to enamel was seen extending from the cingulum into the root canal. Maxillary and mandibular teeth were evaluated on panoramic radiographs to determine the type of dens invaginatus using Oehlers’ classification.

          Results:

          The overall incidence of patients with dens invaginatus was 0.17%. Dens invaginatus were detected in 15 teeth of a total of 192 150 teeth to give a tooth prevalence of 0.008%. Maxillary lateral incisors were most commonly affected teeth in the mouth (80% of cases), followed by maxillary canine teeth (20% of cases). The bilateral incidence of a symmetrical distribution was 25%.

          Conclusion:

          The occurrence of dens invaginatus among this Turkish population was rare. Attention should be paid to the presence of dens invaginatus and the treatment problems associated with it.

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          Most cited references 27

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          Dens invaginatus. Part 1: classification, prevalence and aetiology.

          To review and discuss the aetiology, prevalence and classification of this dental anomaly together with the morphology of an invagination and the most appropriate nomenclature. This review considers the different possible nomenclatures and concludes that dens invaginatus is the most appropriate description. The paper highlights the different reported prevalence figures and concludes that the problem is probably one of the most common of the dental developmental abnormalities with maxillary lateral incisors most commonly affected. The paper suggests that the classification system described by Oehlers (1957a) is probably the most clinically relevant and that the morphological features associated with this problem may increase the risk of pulpal pathology developing and complicate any possible endodontic treatment. * The aetiology of dens invaginatus is still unknown, although there is some evidence that it may be genetic in origin. * The problem is probably more prevalent than most clinicians are aware of and this is because of the diagnostic difficulties associated with the anomaly. * The nature of the problem may increase the risk of pulp disease and complicate any root canal treatment.
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            Pathology of the dental hard tissues

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              Dens invaginatus type III: report of a case and 10-year radiographic follow-up.

              The purpose of this article is to report the 10-year follow-up of a right mandibular central incisor with 'dens invaginatus' that was root filled. 'Dens invaginatus' is a rare malformation of teeth, probably resulting from an infolding of the dental papilla during tooth development. It has alternatively been called 'dens in dente' and 'dilated composite odontome'. Radiographic examination may clearly demonstrate this feature, although no signs may be recognized clinically. If no entrance to the invagination can be detected and there are no signs of pulp pathosis, then no treatment is required other than fissure sealing of the invagination. In deep invaginations, it is likely that root-canal treatment may be required. Occasionally, when the tooth has an immature root, apexification is necessary. Root-canal treatment of a right mandibular central incisor with 'dens invaginatus' is described along with 10-year follow-up. Both clinical and radiographic examinations are necessary to determine morphological features of teeth before root-canal treatment. Sensibility testing to determine the pulp condition is critical prior to treatment.
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                Author and article information

                Journal
                J Clin Imaging Sci
                J Clin Imaging Sci
                JCIS
                Journal of Clinical Imaging Science
                Medknow Publications & Media Pvt Ltd (India )
                2156-7514
                2156-5597
                2012
                29 June 2012
                : 2
                Affiliations
                Department of Restorative Dentistry, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey
                [1 ]Department of Orthodontic, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey
                [2 ]Department of Periodontology, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey
                [3 ]Department of Prosthodontics, Faculty of Dentistry, Kırıkkale University, Kırıkkale, Turkey
                Author notes
                Address for correspondence: Dr. Enes Tan, Department of Orthodontic, Faculty of Dentistry, Kırıkkale University, Kırıkkale 71100, Turkey. E-mail: dentistan@ 123456yahoo.com
                Article
                JCIS-2-34
                10.4103/2156-7514.97755
                3424816
                22919548
                d81b48aa-a85a-4fd5-9eea-ee448d941576
                Copyright: © 2012 Çolak H

                This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Categories
                Original Article

                Radiology & Imaging

                prevalence, turkish, dens invaginatus

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