CBCT Flashcards
1
Q
Overview of CBCT
A
- Cone beam computed tomography
- When 2D x-rays not sufficient
- High quality images w/ lower exposure than conventional CT
- Diagnosis, evaluation and treatment planning
2
Q
Advantages of CBCT
A
- Rapid scan time
- Image accuracy
- Reduction in patient radiation dose compared to CT
- Safe
3
Q
Disadvantages of CBCT
A
- Scatter
- Motion artifacts
- Poor contrast resolution(soft tissues cant be reviewed)
4
Q
CBCT uses in dentistry
A
- Implantology and prosthodontics
- Oral and maxillofacial surgery
- Endodontics
- Peridontics
- Orthodontics
5
Q
CBCT use in prosthodontics
A
Assessment of quality of bone in edentulous ridges
6
Q
CBCT use in Implantology
A
- Assessment of quality of bone in implant cases
- Accurate measurements
- Planning of implant in relation to vital stuctures
- Surgical guide
- Evaluation of roots of upper posterior teeth in relation to maxillary sinus
7
Q
CBCT use in Maxillofacial surgery
A
- Assessment of jaw pathology, impacted and supernumerary teeth and their relation to vital structures
- Assessment of bone grafts
- Analysis and assessment of paranasal sinuses
- Orthognathic surgeries
- Craniofacial reconstruction
- Fracture cases
8
Q
CBCT use in Endodontics
A
- Diagnosis of apical lesions
- Crown and root morphology
- Pulp chamber
- Number of root canals
- Course and direction of canals
- Accessory canals
- Root resorption
- Broken instruments
- Planning periapical endodontic surgery
8
Q
Planning periapical endodontic surgery involves
A
Assessment and differentiation of:
* Mental foramen
* Inferior alveolar dental canal
* Maxillary sinus
