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  • Title: Temporomandibular joint imaging: a comparative study of diagnostic accuracy for the detection of bone change with biplanar multidirectional tomography and panoramic images.
    Author: Ludlow JB, Davies KL, Tyndall DA.
    Journal: Oral Surg Oral Med Oral Pathol Oral Radiol Endod; 1995 Dec; 80(6):735-43. PubMed ID: 8680983.
    Abstract:
    This in vitro investigation compares biplanar (sagittal and coronal) temporomandibular joint images produced by multidirectional tomographic and panoramic techniques for diagnostic accuracy in the detection of simulated degenerative lesions. A series of dentin chips placed at four locations on the head of a temporomandibular joint condyle in a dried human skull were imaged with tomographic and panoramic modalities. Equal numbers of images with and without chips were scored by four examiners with the use of confidence levels for presence or absence of the lesion. To assess intra-examiner reliability, each examiner viewed one of the modalities twice. Responses were assessed by generating receiver operating characteristic curves and analyzing the area (A(z)) under the curves with analysis of variation methods. Biplanar tomography provided significantly more accurate assessment of condylar lesions than biplanar panoramic images (p = 0.007). No statistical difference by location (p = 0.592) was found. The effects of observer and repeated observation were marginally significant at p = 0.046 and p = 0.030, respectively.
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