Int J Med Robot - Ex vivo measurement reliability using two different cbct scanners for orthodontic purposes.

Tópicos

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Resumo

CKGROUND: There are many cone beam computed tomography (CBCT) scanners available on the market: detector technology, algorithm precision, and scanner settings influence image quality. The aim of this study was to compare the accuracy of linear measurements made on images of the same sample obtained using two different CBCT scanners.METHODS: Twenty-eight linear measurements between orthodontic anatomical landmarks that were marked with gutta-percha points on a fresh sacrificed lamb head were taken three times. The head was scanned with two CBCT scanners using different scanning parameters. Digital Imaging and Communications in Medicine (DICOM) images were reconstructed and the same measurements were taken three times by the same operator. Measurements were repeated 4months later by two operators.RESULTS: There was minimal, clinically significant difference between the measurements taken with the digital caliper or CBCT scanners, but there was no difference between the two different scanners.CONCLUSIONS: There is no clinically significant difference between these two scanners; a difference was found between the CBCT and real anatomical measurements in only a few cases.

Resumo Limpo

ckground mani cone beam comput tomographi cbct scanner avail market detector technolog algorithm precis scanner set influenc imag qualiti aim studi compar accuraci linear measur made imag sampl obtain use two differ cbct scannersmethod twentyeight linear measur orthodont anatom landmark mark guttapercha point fresh sacrif lamb head taken three time head scan two cbct scanner use differ scan paramet digit imag communic medicin dicom imag reconstruct measur taken three time oper measur repeat month later two operatorsresult minim clinic signific differ measur taken digit calip cbct scanner differ two differ scannersconclus clinic signific differ two scanner differ found cbct real anatom measur case

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