Abstract
Objetivo: o objetivo do presente estudo foi avaliar a prevalência de deiscências e fenestrações em uma amostra de conveniência de cadáveres humanos para fornecer uma identificação precisa dos defeitos ósseos. Material e Métodos: vinte cadáveres humanos, com idade variando de 20 a 40 anos, foram avaliados quanto a deiscências e fenestrações, verificadas após a elevação do retalho mucoperiosteal. Resultados: a prevalência de deiscências e fenestrações nos espécimes foi confirmada como sendo 40%, representando 5% dos dentes com lesões. As lesões mais prevalentes foram deiscências, enquanto apenas um único caso de fenestração maxilar foi observado. Conclusão: o planejamento de qualquer cirurgia plástica periodontal realizada na região anterior deve levar em consideração a possibilidade de defeitos periodontais. Portanto, considerando a alta prevalência de defeitos ósseos com potencial impacto no resultado estético, a manipulação dos tecidos moles deve ser feita com cautela, principalmente em pacientes com periodonto fino.
Highlights
Fenestrations are described as lesions in which the vestibular or lingual bone plate is absent from the surface of roots, without affecting the marginal bone tissue
Davies et al.[4] first defined dehiscences in numerical terms, establishing that the alveolar bone crest is apically placed to the extent of at least 4 mm in relation to the interproximal bone crest
Study Population Twenty human cadavers, whose death occurred less than 48 hours prior to evaluation and age ranging from 20 to 40 years, irrespective of sex, were included in this study
Summary
Fenestrations and dehiscences are two types of alveolar bone defects that occur frequently in a large part of the population.[1,2] Fenestrations are described as lesions in which the vestibular or lingual bone plate is absent from the surface of roots, without affecting the marginal bone tissue. Davies et al.[4] first defined dehiscences in numerical terms, establishing that the alveolar bone crest is apically placed to the extent of at least 4 mm in relation to the interproximal bone crest. These two types of lesions may be obstacles for surgical procedures, especially in periodontal plastic surgeries.[1,2,5,7] it is important for professionals to understand the clinical characteristics, incidence, prevalence and distribution of these lesions during the planning and performance of mucogingival surgeries
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