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      Forced orthodontic extrusion and use of CAD/CAM for reconstruction of grossly destructed crown: A multidisciplinary approach

      case-report

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          Abstract

          The aim of this study is to present a report of a case where forced orthodontic extrusion and computer-aided design and computer-aided manufacturing (CAD/CAM) technique was used for reconstruction of right maxillary central incisor with grossly destructed crown. Aesthetic rehabilitation of a fractured maxillary right central incisor was performed employing a multidisciplinary approach i.e. conventional endodontic treatment followed by orthodontic extrusion and final restoration using CAD-CAM and one piece milled zirconia post and core with full coverage zirconia crown. After the procedure being completed, periapical radiographs taken at 3 month follow up period demonstrated that the post and core remained well adapted to post space and there was a complete healing of periapical lesion. This technique can provide a complete aesthetic rehabilitation of a grossly destructed tooth without hampering the biological width and thus has a better prognosis.

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          Dental ceramics: An update

          Arvind Shenoy, Nina Shenoy (2010)
          In the last few decades, there have been tremendous advances in the mechanical properties and methods of fabrication of ceramic materials. While porcelain-based materials are still a major component of the market, there have been moves to replace metal ceramics systems with all ceramic systems. Advances in bonding techniques have increased the range and scope for use of ceramics in dentistry. In this brief review, we will discuss advances in ceramic materials and fabrication techniques. Examples of the microstructure property relationships for these ceramic materials will also be addressed.
          Article 0 comments Cited 45 times – based on 0 reviews     Review now
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            Factors affecting the fracture resistance of post-core reconstructed teeth: a review.

            A. Fernandes, G Dessai (2015)
            This article presents a review of the literature on factors that affect the resistance to fracture of post-core reconstructed teeth. Articles cited in a MEDLINE search were obtained from the journals and reviewed with respect to factors affecting fracture resistance of post-core reconstructed teeth. A large part of the literature reviewed emphasizes the stress distribution during insertion of posts and during function. Other factors, like post length, post diameter, amount of remaining dentin, post material, post adaptability, post design, cement, core material, core and crown design, biocompatibility of post material, use of treated tooth, and load experienced by restored tooth, are also found to influence the fracture resistance of a reconstructed tooth. Of all the factors enumerated, crown design, occlusal forces, and use of the treated tooth are found to have direct impact on the longevity of the restored tooth. Literature indicates that (1) preservation of tooth structure is a must; (2) posts should not be used with the intention of reinforcing the tooth; (3) review of functional and parafunctional forces must be undertaken before restoring the tooth, as these will influence the prognosis; and (4) controlled prospective clinical studies evaluating each factor should be undertaken.
            Article 0 comments Cited 42 times – based on 0 reviews     Review now
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              Crown fractures in the permanent dentition: pulpal and restorative considerations.

              Ivo Krejci, T Jacoby, Steven Olsburgh (2002)
              Crown fractures account for the highest percentage of all traumatic injuries in the permanent dentition. This review paper will discuss the different types of crown fracture, from the uncomplicated to complicated, including crown-root fractures. It will focus on two different aspects: the pulp, with an attempt to correlate epidemiological, experimental, histopathological and clinical studies, so that the clinician can better understand the underlying processes accounting for success or failure to maintain pulp vitality. Also, we will consider the restoration: knowledge about bonding to dentin and new material is evolving extremely quickly making it difficult for the clinician to keep up with the developments. If handled properly, prognosis of the pulp, after traumatic crown fracture, is good. Prognosis of the restoration has also improved considerably over the last few years, and it appears that this trend will continue in the future.
              Article 0 comments Cited 42 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): J Conserv Dent
                Journal ID (iso-abbrev): J Conserv Dent
                Journal ID (publisher-id): JCD
                Title: Journal of Conservative Dentistry : JCD
                Publisher: Medknow Publications & Media Pvt Ltd (India )
                ISSN (Print): 0972-0707
                ISSN (Electronic): 0974-5203
                Publication date (Print): Apr-Jun 2012
                Volume: 15
                Issue: 2
                Pages: 191-195
                Affiliations
                [1]Department of Conservative Dentistry and Endoodontics, Vasantdada Patil Dental College and Hospital, A/P Kavalapur, Tal- Miraj, Dist- Sangli, Maharashtra, India
                Author notes
                Address for correspondence: Dr. Rahul Kumar, Department of Conservative Dentistry and Endoodontics, Vasantdada Patil Dental College and Hospital, A/P Kavalapur, Tal- Miraj, Dist- Sangli, Maharashtra – 416 306, India. E-mail: dr.rahul1982@ 123456gmail.com
                Article
                Publisher ID: JCD-15-191
                DOI: 10.4103/0972-0707.94578
                PMC ID: 3339019
                PubMed ID: 22557823
                SO-VID: 0ae77648-72e0-40ba-a844-fbbad396882f
                Copyright © Copyright: © Journal of Conservative Dentistry
                License:

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 19 May 2011
                Date revision received : 07 October 2011
                Date accepted : 11 January 2012
                Categories
                Subject: Case Report

                ScienceOpen disciplines: Dentistry
                Keywords: zirconia post and core,orthodontic extrusion,zirconia crown,computer-aided design/computer-aided manufacturing,biologic width
                Data availability:
                ScienceOpen disciplines: Dentistry
                Keywords: zirconia post and core, orthodontic extrusion, zirconia crown, computer-aided design/computer-aided manufacturing, biologic width

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