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CAD-CAM all-ceramic fully sintered zirconia crowns for the oral rehabilitation of an amelogenesis imperfecta case.

Title
CAD-CAM all-ceramic fully sintered zirconia crowns for the oral rehabilitation of an amelogenesis imperfecta case.
Type
Article in International Scientific Journal
Year
2009
Authors
Jorge André Cardoso
(Author)
FMDUP
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Pedro Ferrás da Silva Fernandes
(Author)
FMDUP
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Tiago Coutinho Almeida
(Author)
FMDUP
Miguel Gonçalves Pinto
(Author)
FMDUP
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Scientific classification
FOS: Medical and Health sciences > Other medical sciences
CORDIS: Health sciences > Medical sciences > Medicine > Stomatology
Other information
Resumo (PT): Objetivo: Apresentar o caso clínico de um paciente com amelogenesis imperfecta, que foi reabilitado com 26 coroas CAD-CAM de zircônia totalmente sinterizada. Descrição do caso: Um sujeito do sexo masculino, 28 anos, procurou tratamento odontológico apresentando uma condição clínica compatível com amelogenesis imperfecta. Todos os dentes tinham áreas amarelas, marrons e brancas de esmalte enfraquecido. Havia restaurações de resina composta nos dentes 14, 16, 24, 25, 26, 27 e 46; cárie dentária estava presente nos dentes 36, 37 e 47. Relatou-se hipersensibilidade dentária. O tratamento incluiu coroas de zircônia totalmente sinterizada para todos os dentes, usando um sistema CAD-CAM. Nenhum problema de adaptação marginal das coroas foi detectado e os resultados finais foram satisfatórios para ambos o paciente e o clínico. Conclusão: A reabilitação clínica de amelogenesis imperfecta é um desafio e a abordagem multidisciplinar deve ser mandatória. As coroas de zircônia são uma excelente opção para a reabilitação de pacientes com esta anomalia, pois o opaco dos copings de zircônia pode mascarar as diferentes cores dos pilares e o resultado final é esteticamente aceitável, com biocompatibilidade e propriedades físicas superiores. Palavras-chave: Amelogenesis imperfecta; coroas; cerâmica de policristais de zircônia tetragonal estabilizada pelo ítrio; estética dentária
Abstract (EN): Purpose: To present a case report of a patient with amelogenesis imperfecta rehabilitated with 26 CAD-CAM all-ceramic fully sintered zirconia crowns. Case description: A male subject, 28 year-old, sought dental treatment presenting a clinical condition compatible with amelogenesis imperfecta. All teeth had yellow, brown, and white areas of weak enamel. Composite restorations were present on teeth 14, 16, 24, 25, 26, 27, and 46; dental caries were shown on teeth 36, 37, and 47. Hipersensitivity was reported. The treatment included fully sintered zirconia crowns for all teeth, using a CAD-CAM system. No problems of marginal adaptation of the crowns were detected, and the final results were satisfactory for both the patient and the clinician. Conclusion: The clinical rehabilitation of an amelogenesis imperfecta case is a challenge, and a multidisciplinary approach is required. Zirconia all-ceramics crowns are an excellent option to restore dental aesthetics as the opaque zirconia coping can mask dischromic abutments, and the crowns have biocompatibility and improved physical properties. Key words: Crowns; amelogenesis imperfect; yttria-stabilized tetragonal zirconia polycrystals ceramic; dental esthetics
Language: English
Type (Professor's evaluation): Scientific
Contact: jfernandes@fmd.up.pt
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