CT Protocols Partially Edentulous

Philip Segal MDT

Collection of Digital information for partially edentulous cases

  1. Before the CBCT is taken patient should remove all jewelry & removable appliances with metal components

  2. Please note : when the patient has fixed metal prosthetic compoents in his/her mouth, this will affect the quality of the CT & may cause unwanted scatter.

  3. Temporary acrylic bridges should be without metal strengtheners

MAXILLA:

  1. The scan must include ALL the teeth, the entire hard palate and the tuberosity’s.
  2. In addition it should include some slices of the lower jaw for reference.

Mandible:

  1. The scan must include ALL the teeth, the ramus & the inferior alveolar nerve

  2. In addition it should include some slices of the upper jaw for reference.
  1. The digital scans should include both maxilla and mandible jaws together with  the correct occlusion.
  2. IMPORTANT: the accuracy of the surgical guide is dependent on the digital models
  1. Both the Dicom files and the Intra Oral Scans or Plaster model scans must match each other.
  2. The CT scan should be taken in open occlusion:
  3. Clinical images offer valuable information
  1. The CT scan should be taken in open occlusion:

  2. Intra Oral Scan or plaster model scan in closed occlusion:

CBCT Dual scan protocol for partially edentulous

Export the raw dicom axial files only

    • Patient’s name must be present in the Dicom files
    • Variable slice thickness is not allowed
    • Gantry tilt 0ᵒ
    • Only axial images required
    • The scans must be saved as “Dicom” files
    • The files should be “zipped” before upload