A amelogênese imperfeita compreende um grupo de condições com alterações do desenvolvimento na estrutura do esmalte dentário que afetam a dentição decídua e permanente e as principais implicações clínicas são: estética prejudicada, hipersensibilidade dentinária, dificuldade na higiene bucal, cáries recorrentes, inflamação gengival e perda da dimensão vertical. O tratamento varia de acordo com o tipo e a gravidade do caso, a fase do desenvolvimento dentário, o nível socioeconômico e as expectativas e anseios do paciente, podendo ser levados anos até o estabelecimento do tratamento definitivo. O presente trabalho tem como objetivo relatar e descrever as etapas clínicas de um caso de amelogênese imperfeita com restabelecimento da estética e função através de laminados cerâmicos ultrafinos, confeccionados em IPS e.max (IvoclarVivadent), com acompanhamento de um ano após a cimentação das restaurações. Conclui-se que os laminados cerâmicos podem ser uma alternativa interessante para o tratamento definitivo de casos mais brandos de amelogênese imperfeita, com otimização dos resultados estéticos e recuperação da autoestima do paciente.Descritores: Amelogênese Imperfeita; Facetas Dentárias; Estética Dentária.ReferênciasAldred MJ, Savarirayan R, Crawford PJ. Amelogenesis imperfecta: a classification and catalogue for the 21st century. Oral Dis. 2003;9(1):19-23.Bäckman B, Holm AK. Amelogenesis imperfecta: prevalence and incidence in a northern Swedish county. Community Dent Oral Epidemiol. 1986; 14(1):43-7.Chaudhary M, Dixit S, Singh A, Kunte S. Amelogenesis imperfecta: Report of a case and review of literature. J Oral Maxillofac Pathol. 2009;13(2):70-7.Witkop CJ Jr. Amelogenesis imperfecta, dentinogenesis imperfecta and dentin dysplasia revisited: problems in classification. J Oral Pathol. 1988;17(9-10):547-53.Ooya K, Nalbandian J, Noikura T. Autosomal recessive rough hypoplastic amelogenesis imperfecta. A case report with clinical, light microscopic, radiographic, and electron microscopic observations. Oral Surg Oral Med Oral Pathol. 1988;65(4):449-58.Witkop CJ Jr, Kuhlmann W, Sauk J. Autosomal recessive pigmented hypomaturation amelogenesis imperfecta. Report of a kindred. Oral Surg Oral Med Oral Pathol. 1973;36(3):367-82.Crawford    PJ,    Aldred     M,    Bloch-Zupan   A. Amelogenesis imperfecta. Orphanet J Rare Dis. 2007;2:17.Seow WK. Clinical diagnosis and management strategies of amelogenesis imperfectavariants. Pediatr Dent. 1993;15(6):384-93.Yip HK, Smales RJ. Oral rehabilitation of young adults with amelogenesis imperfecta. Int J Prosthodont. 2003 Jul-Aug;16(4):345-9.McDonald S, Arkutu N, Malik K, Gadhia K, McKaig S. Managing the paediatric patient with amelogenesis imperfecta. Br Dent J. 2012;212(9):425-28.Ozturk N, Sari Z, Ozturk B. An interdisciplinary approach for restoring function and esthetics in a patient with amelogenesis imperfecta and malocclusion: a clinical report. J Prosthet Dent. 2004;92(2):112-5.Harley KE, Ibbetson RJ. Dental anomalies--are adhesive castings the solution? Br Dent J. 1993;174(1):15-22.Walter B. Prosthetic rehabilitation of a case of total amelogenesis imperfecta. Actual Odontostomatol. 1991;45(174):213-26. French.Chen C-F, Hu JCC, Estrella MRP, Peters MC, Bresciani E. Assessment of restorative treatment of patients with amelogenesis imperfecta. Pediatr Dent. 2013;35(4):337-42.Ramos AL, Pascotto RC, Iwaki Filho L, Hayacibara RM, Boselli G. Interdisciplinary treatment for a patient with open-bite malocclusion and amelogenesis imperfecta. Am J Orthod Dentofacial Orthop. 2011;139(4 Suppl):S145-53.Pousette Lundgren G, Wickström A, Hasselblad T, Dahllöf G. Amelogenesis imperfecta and early restorative crown therapy: an interview study with adolescents and young adults on their experiences. PLoS One. 2016;11(6):e0156879.Seymen F, Kiziltan B. Amelogenesis imperfecta: a scanning electron microscopic and histopathologic study. J Clin Pediatr Dent. 2002;26(4):327-35.Gilchrist F, Rodd H, Deery C, Marshman Z. Assessment of the quality of measures of child oral health-related quality of life. BMC Oral Health. 2014;14:40.Pousette Lundgren G, Karsten A, Dahllöf G. Oral health-related quality of life before and after crown therapy in young patients with amelogenesis imperfecta. Health Qual Life Outcomes. 2015;13:197.Toksavul S, Ulusoy M, Türkün M, Kümbüloğlu O. Amelogenesis imperfecta: the multidisciplinary approach. A case report. Quintessence Int. 2004;35(1):11-4.Greenfield R, Iacono V, Zove S, Baer P. Periodontal and prosthodontic treatment of  amelogenesis   imperfecta:   a   clinical  report. J Prosthet Dent. 1992;68(4):572-74.Coffield KD, Phillips C, Brady M, Roberts MW, Strauss RP, Wright JT. The psychosocial impact of developmental dental defects in people with hereditary amelogenesis imperfecta. J Am Dent Assoc. 2005;136(5):620-30.

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As reforçadas propriedades intrínsecas dos materiais cerâmicos, associados à adesão resinosa fundamentam a desenvoltura de técnicas restauradoras mais simplificadas, conservadoras e sem a necessidade de preparo dental prévio seja em dentição anterior ou posterior. Assim sendo, o trabalho tem como objetivo apresentar dois casos clínicos os quais abordaram a confecção de restaurações delgadas em dissilicato de lítio cimentadas sobre diferentes áreas dos arcos dentários, enfatizando o mesmo protocolo clínico, ou seja, ausência de preparos dentais e consequentemente a cimentação resinosa adesiva das restaurações. Caso Clínico 1: laminados cerâmicos nos elementos 13, 12, 11, 21, 22 e 23; Caso Clínico 2: facetas delgadas sobre os elementos 34, 35, 36 e 37. Ambos os casos clínicos com 1 ano de acompanhamento após a cimentação das restaurações. Conclui-se que houve a recuperação da estética e da função em ambos os casos apresentados e a confiabilidade e o sucesso em longo prazo do protocolo clínico descrito estão diretamente relacionados ao substrato dentário, aos fatores de adesividade dos materiais e as propriedades intrínsecas das cerâmicas.Descritores: Cerâmica; Estética Dentária; Facetas Dentárias; Cimentos de Resina.ReferênciasMurdoch-Kinch CA, McLean ME. Minimally invasive dentistry. J Am Dent Assoc. 2003;134(1):87-95.Ericson D. The concept of minimally invasive dentistry. Dent Update. 2007;34(1):9-10,12-4,17-8.Beier US, Kapferer I, Burtscher D, Dumfahrt H. Clinical performance of porcelain laminate veneers for up to 20 years. Int J Prosthodont. 2012;25(1):79-85.D'Arcangelo C, Vadini M, D'Amario M, Chiavaroli Z, De Angelis F. Protocol for a new concept of no-prep ultrathin ceramic veneers. J Esthet Restor Dent. 2018;30(3):173-79.Vadini M, D'Amario M, De Angelis F, Falco A, D'Arcangelo C. 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Porcelain veneers: a review of the literature. J Dent. 2000;28(3):163-77.Barkmeier WW, Erickson RL, Kimmes NS, Latta MA, Wilwerding TM. Effect of enamel etching time on roughness and bond strength. Oper Dent. 2009;34(2):217-22.Esquivel-Upshaw J, Rose W, Oliveira E, Yang M, Clark AE, Anusavice K. Randomized, controlled clinical trial of bilayer ceramic and metal-ceramic crown performance. J Prosthodont. 2013;22(3):166-73.Martin AJ, Buschang PH, Boley JC, Taylor RW, McKinney TW. The impact of buccal corridors on smile attractiveness. Eur J Orthod. 2007;29(5):530-7.Fradeani M. Evaluation of dentolabial parameters as part of a comprehensive esthetic analysis. Eur J Esthet Dent. 2006;1(1):62-9.Borges GA, Sophr AM, de Goes MF, Sobrinho LC, Chan DC. Effect of etching and airborne particle abrasion on the microstructure of different dental ceramics. J Prosthet Dent. 2003;89(5):479-88.Fabianelli A, Goracci C, Bertelli E, Davidson CL, Ferrari M. 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