Retrospective analysis of the threedimensional position of specific anatomical structures of the midface in Cone Beam Tomography for determining the smallest possible volume in the targeted imaging
- Conditions
- Imaging of anatomical structures with a specific field of view in Cone Beam Computed Tomography
- Registration Number
- DRKS00026149
- Lead Sponsor
- niversitätsklinikum Freiburg,Department Zahn-, Mund- und Kieferheilkunde, Sektion Bildgebung und Implantologische Diagnostik
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 201
Inclusion Criteria
CBCT-Imaging of the midface at the Freiburg University Hospital in the time from 01/01/2017 to 05/24/2018
Exclusion Criteria
- Minors
- faulty positionion in the CBCT device
- incomplete imaging of the chin rest
- incomplete imaging of the temporomandibular joints
- injury or illness of the temporomandiular joint
- pathologies of the facial skeleton or soft tissue that impair affect possitioning of the patient
- artefacts, that negativly impact the quality of the image
Study & Design
- Study Type
- observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Position, diameter and height of the necessary target volumes for the imaging of the midface in Cone Beam Computed Tomography
- Secondary Outcome Measures
Name Time Method Reduction of the radiation exposure