A abertura coronária é a primeira etapa do tratamento endodôntico e visa ao acesso direto aos canais radiculares. Objetivo: Avaliar as aberturas endodônticas de dentes de pacientes referenciados ao Centro de Especialidades Odontológicas (CEO) Positivo, na cidade de Curitiba (PR), por análise radiográfica. Material e métodos: Um total de 226 radiografias periapicais tomadas previamente ao atendimento no CEO, de agosto de 2015 a agosto de 2017, foi analisado. Três examinadores treinados e calibrados verificaram os seguintes critérios: região da cavidade bucal, cárie remanescente, remoção do teto da câmara pulpar, desgaste compensatório mesiodistal, iatrogenia (sugestiva) e restauração temporária. Os dados foram tabulados e analisados quanto à distribuição, seguida de análise bivariada (Teste Exato de Fisher) com significância de 5%. Resultados: A região posterior prevaleceu em 70,3% da amostra. Constataram-se cárie remanescente em 14,2%, remoção insuficiente do teto em 25,2%, iatrogenia em 31,4% e altura inadequada da restauração temporária em 11,5% dos casos. Nos dentes posteriores, o desgaste compensatório mesiodistal insuficiente foi identificado em 35,4% dos exames. A análise bivariada não revelou diferença significativa quando verificada a variável região da cavidade bucal em relação a presença de cárie (p = 0,393), teto remanescente (p = 0,056) e presença de iatrogenia (p = 0,304). Conclusão: Há falhas relevantes nas aberturas endodônticas recebidas no CEO, o que indica a necessidade de treinamento profissional na atenção primária.
Introduction: Coronary access is the first stage of endodontic treatment and aims at direct access to root canals. Objective: To evaluate, by radiographic analysis, endodontic access cavities through radiographic analysis of the teeth of patients coming from primary care referred to the Center of Dental Specialties (CEO) Positivo, Curitiba, PR, Brazil. Material and methods: A total of 226 periapical radiographs taken previous to attending the CDS were analyzed, from August 2015 to August 2017. Three trained and calibrated examiners verified the following criteria: oral cavity region, presence of remaining caries,removal of roof of the pulp chamber, compensatory mesiodistal wear, iatrogenic (suggestive) and temporary restoration. Data were tabulated and analyzed for distribution, followed by bivariate analysis (Fisher’s Exact Test) with significance of 5%. Results: The posterior region prevailed in 70.3% of the sample. There remaining caries were found in 14.2%, insufficient roof removal in 25.2%, iatrogenic in 35.4%, and inadequate height of the temporary restoration in 11.5% of the cases. In the posterior teeth, insufficient mesiodistal compensatory wear was identified in 35.4 of the exams. The bivariate analysis revealed no significant difference when the variable region of the oral cavity was analyzed in relation to the presence of caries (p = 0.393), remaining roof (p = 0.056) and presence of iatrogenic (p = 0.304). Conclusion: It is concluded that there are relevant failures in the endodontic access received in the CDS, which indicates the need for professional training in primary care.
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