Correlação entre as medidas lineares em radiografias panorâmicas e tomografias computadorizadas cone beam associadas ao seio maxilar
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Data
2013-01-01
Autores
Rodrigues, Gustavo Henrique Campos
Rodrigues, Vinícius Anéas [UNESP]
de Barros, Stella Mendes
Ximenez, Michel Eli Lipiec
de Souza, Daniela Martins
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Resumo
Objective: To correlate linear measurements between digital panoramic radiographs (DPan) and cone beam computed tomography images (CBCT) of the maxillary sinus area. Method: Seventy-one paired site exams were selected, 37 from the right side and 34 from the left side, on digital panoramic radiographs and their corresponding CBCT images. The panoramic radiographs were obtained by the Orthopantomograph® evice and analyzed by the Image Tool v.3.0 software. The CBCT images were obtained by the i-CAT tomograph and analyzed by the Dental Slice software. Linear measurements of the distance between the lower cortical of the maxillary sinus to the sharpest molar cusp. Results: Comparison of the measurements revealed a moderate agreement and the values were significantly higher in the measurements on the compensated digital panoramic radiographs (p<0.05) with 1.75 to 2.15 mm (8 to 9%) magnification, compared with the CBCT images. Conclusion: It may be concluded that when panoramic radiographs are used in the surgical planning for dental implants, a safety margin of 2.5 mm (10.5%) should be added in the maxillary sinus area after compensating for image magnification.
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Palavras-chave
Cone beam computed tomography, Maxillary sinus, Radiography panoramic
Como citar
Pesquisa Brasileira em Odontopediatria e Clinica Integrada, v. 13, n. 3, p. 245-249, 2013.