Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Layer thickness in rotational panoramic radiography: some specific aspects.

U Welander, G Tronje, W D McDavid

    Dento Maxillo Facial Radiology
    |August 1, 1989
    PubMed
    Summary
    This summary is machine-generated.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Perceptibility of radiation contrast and image quality in kodak defilux film.

    Dento maxillo facial radiology·2015
    Same author

    The distribution of absorbed dose and mean energy imparted in orthopantomography.

    Dento maxillo facial radiology·2015
    Same author

    A mathematical model of narrow beam rotation methods.

    Dento maxillo facial radiology·2015
    Same author

    Deriving Hounsfield units using grey levels in cone beam CT: a clinical application.

    Dento maxillo facial radiology·2012
    Same author

    Characterization and correction of cupping effect artefacts in cone beam CT.

    Dento maxillo facial radiology·2012
    Same author

    Pre-clinical evaluation of a new dental panoramic radiographic system based on tomosynthesis method.

    Dento maxillo facial radiology·2010

    Rotational panoramic radiography image layer thickness is often overestimated. A new definition, perpendicular to the central plane, offers more accurate measurements for dental imaging applications.

    Area of Science:

    • Radiology
    • Medical Imaging
    • Dental Radiography

    Background:

    • The standard definition of image layer thickness in rotational panoramic radiography is along the X-ray beam's central ray.
    • This conventional method can lead to overestimations, particularly where the central ray is not orthogonal to the object.
    • Accurate layer thickness is crucial for diagnostic image quality in panoramic radiography.

    Purpose of the Study:

    • To propose a supplementary definition for image layer thickness in rotational panoramic radiography.
    • To provide a more accurate representation of the actual object thickness being radiographed.
    • To develop a mathematical approximation for calculating layer thickness using the supplementary definition.

    Main Methods:

    • A supplementary definition of image layer thickness is introduced, measured perpendicular to the central plane of the image layer.

    Related Experiment Videos

  • Mathematical formulas are derived for calculating layer thickness based on this new definition.
  • Numerical examples are provided to illustrate the application and results of the proposed method.

    • Main Results:

    • The supplementary definition yields layer thickness values that correlate better with the actual object thickness.
    • Calculations using the supplementary definition demonstrate reduced overestimation compared to the conventional method.
    • The proposed mathematical approximation provides a practical tool for determining the revised layer thickness.

    Conclusions:

    • The supplementary definition of image layer thickness offers a more clinically relevant measurement in rotational panoramic radiography.
    • This revised approach improves the accuracy of layer thickness assessment, especially in non-orthogonal regions.
    • The mathematical approximation facilitates the practical implementation of this improved definition in dental imaging.