A eficácia da solução de EDTA na remoção de smear layer e sua relação com o tempo de uso: uma revisão integrativa IntroduçãoO sucesso do tratamento endodôntico está intimamente relacionado à qualidade da limpeza e desinfecção do sistema de canais radiculares (SCR), obtido por meio da eliminação ou pelo menos redução do conteúdo orgânico e inorgânico contaminado do interior dos canais 1,2 . Para atingir tais objetivos, os canais são submetidos ao preparo químico mecâ-nico (PQM).O PQM é considerado um requisito chave para o sucesso da terapia endodôntica, uma vez que consiste na limpeza e modelagem -clean and shape-do
Intrusive dislocation is an unusual and severe trauma, where the tooth is displaced axially into the alveolar bone, causing damage to the periodontal and pulpal tissues. The objective was to report a case of intrusive dislocation on a right maxillary central incisor of a 12-year-old patient, where the proposed treatment was immediate surgical repositioning. Clinical and radiographic examination revealed partial tooth intrusion and complete root formation. The impacted tooth was surgically repositioned and immobilized. Subsequently, the endodontic treatment of the tooth associated with intracanal medication was performed. After 10 months of successive calcium hydroxide changes, the root canal system was filled. Clinical-radiographic follow-ups were performed over 5 years and 7 months, revealing discrete root resorption. It was concluded that immediate surgical repositioning, associated with adequate root canal therapy may be an effective therapeutic option in cases of intrusive dislocation of permanent teeth.
Objective: the purpose of this literature review was to evaluate apical debris extrusion after root canal preparation with Protaper Universal and Protaper Next Rotary systems. Material and Methods: the question that supported the collection of scientific evidence for the present study was: Which rotary system presents the best performance regarding the apical extrusion of debris: Protaper Universal or Protaper Next? From the online search databases, a bibliographic research was carried out covering original research studies, using as descriptors: Apical extrusion debris, Protaper Universal and Protaper Next. Articles had to meet the following inclusion criteria: should have been published in the English language from 2014 to 2017 and should compare both mentioned rotary files systems regarding apical extrusion of debris in the same study. Ninety-six articles were found after research and six were included for this integrative review. Results: six studies remained included after the inclusion criteria analysis. Of these, 50% were published in 2016, 16.6% in 2015 and and 33% in 2014. Weight establishment of the extruded material was the methodology used in all studies to evaluate the performance of the files By analyzing the amount of apically extruded material, it was found that the Protaper Universal system extruded more quantity than the Protaper Next system. Conclusion: it was concluded that, although there is no system capable of performing the instrumentation without promoting apical extrusion, the Protaper Next rotary files system presented better performance when compared to the Protaper Universal files system, regarding the apical debris extrusion.
Objetivo: O objetivo deste estudo foi realizar uma revisão integrativa comparando a citotoxicidade dos cimentos MTA Fillapex e AH Plus aos tecidos periapicais. Métodos: Foram utilizados artigos na íntegra, nos idiomas português e inglês, publicados durante os períodos de 2010 a 2017, selecionados na base de dados Scielo e Pubmed, utilizando os seguintes descritores: AH Plus, MTA Fillapex e citotoxicidade. Foram excluídos, os trabalhos no idioma não inglês, artigos sem resumo, trabalhos realizados em dentes decíduos e casos clínicos. Resultados: Foram identificados dezenove artigos nas bases de dados, sendo dois artigos no SciELO e dezessete artigos no Pubmed. Após a leitura aprofundada desses artigos, foram excluídos seis artigos por não atenderem aos critérios de inclusão. Dessa forma, a amostra final foi composta por treze artigos científicos, todos de modelos experimentais, publicados em periódicos de procedência internacional, da área odontológica, sendo 50% dos estudos do ano de 2013. Conclusão: Os estudos demonstraram que o MTA Fillapex apresentou maior citotoxicidade aos tecidos periapicais que o cimento AH Plus. Descritores: Cimentos dentários. Sobrevivência celular. Teste de materiais. Materiais biocompatíveis.
Dens in dente is a developmental anomaly characterized by dental tissues invagination that varies from a slight increase of the cingulum´s fossa to a deep groove that can extend up to the dental apex. Objectives The aim of this study was to report a dens in dente endodontic retreatment case with the presence of fistula and periapical lesion. Case report: Non-surgical retreatment was performed from the removal of the filling endodontic material, use of Calcium Hydroxide as intracanal medication changed every two months for a one year and a half period, and later, apical closure with MTA and endodontic filling of the remaining thirds with thermoplastic gutta-percha. Results: Postoperative follow-ups were performed for a 4 years period where a reduction of the periapical lesion diameter and disappearance of the fistula were observed. Conclusion: These results demonstrate that the present non-surgical dens in dente endodontic retreatment protocol could be considered a viable option for success.
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