Comparação entre os exames radiográficos convencional e digitalizado em relação ao plano de tratamento de superfícies oclusais
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Data
2000-09-01
Autores
TORRIANI, Dione Dias
GONÇALVES, Marcelo Rodrigues [UNESP]
VIEIRA, João Batista [UNESP]
Título da Revista
ISSN da Revista
Título de Volume
Editor
Sociedade Brasileira de Pesquisa Odontológica e Faculdade de Odontologia da Universidade de São Paulo
Resumo
O objetivo deste estudo foi comparar as decisões de tratamento restaurador de superfícies oclusais, sem cavitação, quando realizadas através dos aspectos clínicos e radiográficos, convencional e digitalizado. Foram examinados, 33 sítios das superfícies oclusais de 30 molares permanentes extraídos, com e sem pigmentação. O plano de tratamento para cada região foi realizado por 5 cirurgiões-dentistas, professores universitários, utilizando dois tipos de exames: exame visual de fotografias e radiografia interproximal convencional (IV + RXC); e exame visual de fotografias e radiografia digitalizada (IV + DIGORA). O padrão de validação para os planos de tratamento foi realizado através do aspecto histológico. A sensibilidade em determinar a não-necessidade de tratamento restaurador foi, em média, tanto para a IV + RXC quanto para a IV + DIGORA, de 0,23. A especificidade foi, em média, de 0,83 e 0,86, para a IV + RXC e IV + DIGORA, respectivamente. Quando comparou-se os planos de tratamento intra-examinadores, não foi encontrada diferença estatisticamente significante à nível de 5%. Baseado nestes dados, pode-se concluir que os métodos radiográficos, convencional e digitalizado, não demonstraram diferenças na efetividade da determinação do plano de tratamento de superfícies oclusais sem cavitação.
The objective of this study was to compare the treatment plan decisions made for intact occlusal surfaces using different diagnostic tools. Clinical photographs and either conventional or digitized radiographs were used to evaluate 33 regions of the occlusal surfaces of 30 extracted permanent molars. The teeth had regions with and without pigmentation. The treatment plan decisions were made by 5 dental faculty members using the two examination methods: 1) visual exam of photographs and conventional radiographs (IV+RXC); and 2) visual exam of photographs and digitized radiographs (IV+DIGORA). The regions were assigned a value of 0 (no treatment needed), 1 (need for sealant but not for restoration), and 2 (need for restoration). The validation of the treatment plans was accomplished through histological examination of tooth sections from each of the regions. The results were analyzed using a Cochran test and a sign test. The sensitivity, determining what percentage of the teeth needed treatment, was very low (23%) for both IV+RXC and IV+DIGORA. The specificity, determining the percentage of teeth with no disease, was much higher: 83% and 86% for IV+RXC and IV+DIGORA, respectively. There was no significant difference in the tratment plan decisions made with either of the diagnostic tools (p<0.05). Based on these data, it can be concluded that both conventional and digitized radiographic methods led to similar treatment plan decisions for intact occlusal surfaces.
The objective of this study was to compare the treatment plan decisions made for intact occlusal surfaces using different diagnostic tools. Clinical photographs and either conventional or digitized radiographs were used to evaluate 33 regions of the occlusal surfaces of 30 extracted permanent molars. The teeth had regions with and without pigmentation. The treatment plan decisions were made by 5 dental faculty members using the two examination methods: 1) visual exam of photographs and conventional radiographs (IV+RXC); and 2) visual exam of photographs and digitized radiographs (IV+DIGORA). The regions were assigned a value of 0 (no treatment needed), 1 (need for sealant but not for restoration), and 2 (need for restoration). The validation of the treatment plans was accomplished through histological examination of tooth sections from each of the regions. The results were analyzed using a Cochran test and a sign test. The sensitivity, determining what percentage of the teeth needed treatment, was very low (23%) for both IV+RXC and IV+DIGORA. The specificity, determining the percentage of teeth with no disease, was much higher: 83% and 86% for IV+RXC and IV+DIGORA, respectively. There was no significant difference in the tratment plan decisions made with either of the diagnostic tools (p<0.05). Based on these data, it can be concluded that both conventional and digitized radiographic methods led to similar treatment plan decisions for intact occlusal surfaces.
Descrição
Palavras-chave
Cárie dental, Radiografia dentária, Intensificação da imagem radiográfica, Dental caries, Radiography, Radiographic image enhancement
Como citar
Pesquisa Odontológica Brasileira. Sociedade Brasileira de Pesquisa Odontológica e Faculdade de Odontologia da Universidade de São Paulo, v. 14, n. 3, p. 256-261, 2000.