Long-term periodontal bone loss in second molars associated with extraction of the third molar : case report

• Autor(a) principal: Monteiro, Rafael Jordão Storino Vaz
• Data de Publicação: 2020
• Tipo de documento: Dissertação
• Idioma: eng
• Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
• Texto Completo: http://hdl.handle.net/10400.14/31073
• topic: Third molar; Alveolar bone loss; Molars; Periodontal ligament; Tooth extraction; Terceiro molar; Alvéolo dental; Dente molar; Ligamento periodontal; Cirurgia bucal; Domínio/Área Científica::Ciências Médicas::Ciências da Saúde

Introduction: The periodontal ligament is an extremely thin soft tissue structure that connects two mineralized tissues, the alveolar bone and the root cementum. Its formation is extremely complex and new formation and reinsertion of the periodontal ligament in areas that have experienced the loss of this tissue and root exposure is extremely difficult. The objective of this paper is to report a case not yet described in the literature, of bone loss in the distal of second molar, associated with extraction of the adjacent impacted third molar without bone interposing the two teeth. Case Presentation: Patient was referred to a private dental clinic reported feeling a bad odor while using dental floss in the distal region of tooth 37, in the past three years. In addition, reported a history of tooth 38 extraction six years ago. Periapical examination and periodontal índex were performed and extensive radiolucent image and 12 mm probing depth involving the distal root in tooth 37 were noted. No other area showed probing depth greater than 3mm. Periodontal guided tissue regenaration was performed as an attempt to fill the bone defect. Conclusion: While performing third molars extraction, the surgeon must be attentive with regenerative procedures and not only removing the tooth itself, especialy in cases that do not present bone interposed between this tooth and the second molar.