CBCT in Dentistry

Hey Guys, this presentation is all that a BDS graduate needs to know. A very basic yet important facts about CBCT.

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Battisi - Dr. Jasmine Singh

1. CBCT IN DENTISTRY By Dr. Jasmine Singh

2. 2 D 3 D Faster Expensive

3. CT and CBCT CT and CBCT

4. Radiation Exposure

5. Cone Beam Computed Tomography 3D structure on 3D plane: 100-600 images in single scan WHY?

6. X-Ray Generation Patient Positioning X-Ray Generator Scan Volume Scan Factors

7. 1. Patient Positioning

8. 2. X-Ray Generator ALARA  (As Low As Reasonably Achievable ) 3 Principles : Time Distance Shileding

9. 3. Scan Volume / Filed of View

10. 4. Scan Factors Frame Rate Scan Arc : Usually 360 Degrees Scan Time : <30 seconds

11. #covid19 # staysafe

12. PLANES OF CBCT 3 Planes of CBCT 3 Planes of CBCT

13. You Should have a Good reason to Advise CBCT scan!!

14. INDICATIONS 1. Impacted Teeth OPG / PANOROMIC Vital Structures? Impact on a djacent teeth?

15. 2. Implants D1 D2 D3 D4 - C orrect placement of Implant. - D etermine and measure bone. Drill Regular size Drill Regular size Drill 1 size smaller Tapping system

16. D2 bone is best bone for implants  Due to good vascularity and Good cortical bone anchorage

17. 3. Periodontal Evaluation

18. 4. Orthodontic Treatment

19. 3D Cephalometric Analysis

20. Photo Wrapping (Forensics) Gun Shot

21. 5. Maxillofacial Lesions Extent of the lesion Vital Structures Invasion to adjacent structures

22. 6. Examination of salivary Glands Sialography

23. 7. Fractures

24. Other’s Grafts

25. Contraindications Soft tissue pathology like→ articular discs of the joints cannot be visualized directly with CBCT. Only an MRI can visualize the discs directly. False positive results of Fenestration and Dehiscence  Can't visualise non displaced fractures Radiosensitivity ( Gorlin - Goltz syndrome) Pregnancy CBCT is not a screening tool, there should be a diagnostic reason for scan

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