CBCT applications in dental practice
Fig. 1: Impacted teeth in close proximity to vital structures should be evaluated with CBCT.
Fig. 2a: Peri-apical lesion shown as peri-apical radiograph. (image courtesy of Dr Fred Barnett)
Fig. 2b: Peri-apical lesion shown as CBCT. (image courtesy of Dr Fred Barnett)
Fig. 3a: Apical cyst shown as orthopantomogram.
Fig. 3b: Apical cyst shown as CBCT.
Fig. 4a: Orthopantomogram for a full-mouth rehabilitation case. Only limited data can be obtained from this image.
Fig. 4b: CBCT images for the same patient. Data obtained from these images regarding bone quality, implant length and diameter, implant location and proximity to vital structures is magnificent.
Fig. 5a: Clinical picture of multiple implants placed in 2005.
Fig. 5b: Peri-apical radiograph for the implants replacing teeth #8 and #9. Little data can be collected from such an image.
Fig. 5c: The CBCT image clearly demonstrates the amount of bone loss.
Fig. 5d: Total buccal plate destruction is evident in this CBCT image.
Fig. 6: CBCT image to assess the bone density during treatment.
Fig. 7a: Multiple endodontically treated teeth with a history of peri-apical surgery.
Fig. 7b: Peri-apical image showing a compromised crown-to-root ratio.
Fig. 7c: CBCT image showing the absence of the buccal plate and a compromised palatal plate, indicating that the teeth need to be extracted and site grafting performed before implant placement.
Fig. 7d: Extractions done for teeth #7, 8, 9 and 10 were atraumatic and bone grafting was performed.
Fig. 7e: Temporisation done and healing of the grafted sites for future implant placement is awaited.
Table II: Typical doses of various dental radiological procedures.
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