Blog on CBCT

Blog on CBCT
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    What is CBCT :

    CBCT or Cone Beam Computed Tomography is an advanced diagnostic imaging modality of Dental and Maxillofacial Radiology , based on computed tomography that utilizes a single rotational cone beam of xray to render 3D multiplanar images of teeth , jaw bones and adjacent vital structures of head and neck region, by reconstruction from a series of 2D projections, at reduced exposure time and lower radiation dose than medical CT .

    The CBCT imaging has not only eased and improvised the diagnosis of dental & maxillofacial pathologies , but has also lead to better treatment planning for a wide range of clinical applications .

    Benefits of CBCT over Medical CT :

    • . Conical Xray beam for volumetric data acquisition in solitary rotation
    • . Limited area of Exposure by selecting a particular Field of View (FOV ) related to the area of interest
    • . Improved Accuracy and Diagnostic image quality
    • . Rapid scan time
    • . Reduced Radiation dose
    • . Decreased Image Artifacts
    • . Less expensive and compact machinery

    Various indications of CBCT in dentistry are :

    • . Implant planning
    • . Dental and Maxillofacial pathosis
    • . Trauma cases
    • . TMJ , ENT and Airway space evaluation
    • . Dental / Endodontic or Periodontal Status evaluation
    • . Soft tissue Calcifications of head and neck region
    • . Assisting in 3D printing / Surgical guide fabrication

    CBCT at PDCH Udaipur :

    The facility of CBCT , the first to be installed in any Private Dental College in Rajasthan , is available at the Dept. of Oral Medicine and Radiology , Pacific Dental College and Hospital , Debari , Udaipur. The scans are performed on Carestream CS 9300 machine with FOV from 5X5 to 17x13.5 and voxel size from 0.09 to 0.500 mm.

     

                         Authored By:

         Dr. Prashant Nahar (MDS)

         Senior Professor

         Dept. of Oral Medicine & Radiology

         PDCH , Udaipur

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