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      Noninvasive and Multidisciplinary Approach to the Functional and Esthetic Rehabilitation of Amelogenesis Imperfecta: A Pediatric Case Report

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          Abstract

          Case Report. An 8-year-old girl with amelogenesis imperfecta (AI) reported unsatisfactory aesthetics, difficulty in mastication, and dental hypersensitivity. The intraoral examination observed mixed dentition, malocclusion in anteroposterior relationships, anterior open bite, and dental asymmetry. A hypoplastic form of AI was diagnosed in the permanent dentition. A multidisciplinary planning was performed and divided into preventive, orthopedic, and rehabilitation stages. Initially, preventive treatment was implemented, with fluoride varnish applications, in order to protect the fragile enamel and reduce the dental sensitivity. In the second stage, the patient received an interceptive orthopedic treatment to improve cross-relationship of the arches during six months. Finally, the rehabilitation treatment was executed to establish the vertical dimension. In the posterior teeth, indirect composite resin crowns were performed with minimally invasive dental preparation. Direct composite resin restorations were used to improve the appearance of anterior teeth. Follow-Up. The follow-up was carried out after 3, 6, 12, and 18 months. After 18 months of follow-up, The restoration of integrity, oral hygiene, and patient satisfaction were observed . Conclusion. Successful reduction of the dental hypersensitivity and improvement of the aesthetic and functional aspects as well as quality of life were observed.

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          Most cited references20

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          A critical review of the durability of adhesion to tooth tissue: methods and results.

          The immediate bonding effectiveness of contemporary adhesives is quite favorable, regardless of the approach used. In the long term, the bonding effectiveness of some adhesives drops dramatically, whereas the bond strengths of other adhesives are more stable. This review examines the fundamental processes that cause the adhesion of biomaterials to enamel and dentin to degrade with time. Non-carious class V clinical trials remain the ultimate test method for the assessment of bonding effectiveness, but in addition to being high-cost, they are time- and labor-consuming, and they provide little information on the true cause of clinical failure. Therefore, several laboratory protocols were developed to predict bond durability. This paper critically appraises methodologies that focus on chemical degradation patterns of hydrolysis and elution of interface components, as well as mechanically oriented test set-ups, such as fatigue and fracture toughness measurements. A correlation of in vitro and in vivo data revealed that, currently, the most validated method to assess adhesion durability involves aging of micro-specimens of biomaterials bonded to either enamel or dentin. After about 3 months, all classes of adhesives exhibited mechanical and morphological evidence of degradation that resembles in vivo aging effects. A comparison of contemporary adhesives revealed that the three-step etch-and-rinse adhesives remain the 'gold standard' in terms of durability. Any kind of simplification in the clinical application procedure results in loss of bonding effectiveness. Only the two-step self-etch adhesives approach the gold standard and do have some additional clinical benefits.
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            Amelogenesis imperfecta: a classification and catalogue for the 21st century.

            Amelogenesis imperfecta (AI) is a collective term for a number of conditions with abnormal enamel formation. Many cases are inherited, either as an X-linked, autosomal dominant or autosomal recessive trait. Several classifications have evolved since 1945, based primarily on phenotype with the mode of inheritance being used in some systems as a secondary factor in allocating a case into a particular category. The benefits and shortcomings of these systems are reviewed. As we move into an era of establishing the molecular basis of AI we propose a robust mechanism for classification and cataloguing of the disorder which parallels systems used in medical genetics. This system is applicable to individuals and families irrespective of current or future knowledge of the molecular defect involved. We argue that this system is of more benefit to these individuals and families than previous classifications.
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              The role of fluoride in the preventive management of dentin hypersensitivity and root caries

              Objective The objectives were to bring light on fluoride to control dentin hypersensitivity (DHS) and prevent root caries. Materials and methods Search strategy included papers mainly published in PubMed, Medline from October 2000 to October 2011. Results Fluoride toothpaste shows a fair effect on sensitive teeth when combined with dentin fluid-obstructing agents such as different metal ions, potassium, and oxalates. Fluoride in solution, gel, and varnish give an instant and long-term relief of dentin and bleaching hypersensitivity. Combined with laser technology, a limited additional positive effect is achieved. Prevention of root caries is favored by toothpaste with 5,000 ppm F and by fluoride rinsing with 0.025–0.1 % F solutions, as the application of fluoride gel or fluoride varnish three to four times a year. Fluoride measures with tablets, chewing gum, toothpick, and flossing may be questioned because of unfavorable cost effectiveness ratio. Conclusion Most fluoride preparations in combination with dentin fluid obstruction agents are beneficial to reduce DHS. Prevention of root caries is favorable with higher fluoride concentrations in, e.g., toothpaste. Clinical relevance Fluoride is an effective agent to control DHS and to prevent root caries particularly when used in higher concentrations.
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                Author and article information

                Journal
                Case Rep Dent
                Case Rep Dent
                CRID
                Case Reports in Dentistry
                Hindawi Publishing Corporation
                2090-6447
                2090-6455
                2014
                2 July 2014
                : 2014
                : 127175
                Affiliations
                1Graduate Program in Dentistry, School of Dentistry, Positivo University, Rua Professor Pedro Viriato Parigot de Souza, 5300 Curitiba, PR, Brazil
                2Department of Pediatric Dentistry, Araraquara School of Dentistry, Universidade Estadual Paulista, UNESP, Araraquara, SP, Brazil
                3Master's Program in Dentistry, CEUMA University, UNICEUMA, São Luís, MA, Brazil
                4Department of Restorative Dentistry, Araraquara School of Dentistry, Universidade Estadual Paulista, UNESP, Araraquara, SP, Brazil
                Author notes
                *Juliana Feltrin de Souza: julianafeltrin@ 123456hotmail.com

                Academic Editor: Anut Itthagarun

                Article
                10.1155/2014/127175
                4100355
                25061528
                133717b2-5495-4fa7-9c0d-90caae59999e
                Copyright © 2014 Juliana Feltrin de Souza et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 13 March 2014
                : 17 June 2014
                Categories
                Case Report

                Dentistry
                Dentistry

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