Radiography for Dental Implant Flashcards
1
Q
Radiographic Information
(5)
A
- Depth of bone
- Width of bone
- Quality of bone
- Angulation of bone
- Location of vital structures
2
Q
Vital Structures
(3) +
A
- Nasal fossa
- Maxillary sinus
- Inferior alveolar canal
+ Nasopalatine canal
3
Q
IMAGING MODALITIES
(4)
A
- Intraoral Radiography
- Panoramic Radiography
- Computed Tomography
- Cone Beam Computed Tomography
4
Q
maginification=
A
source to film distance/ source to object distance
5
Q
Pano disadv (3)
A
Unsharpness
Shape distortion
Magnification
6
Q
COMPUTED TOMOGRAPHY
(4)
A
- Rotational movement of beam and detector
- Sequential axial slices
- Computer manipulation of data
- Multiplanar reformatting
7
Q
Computed
Advantages
(4)
A
- No superimposition of structures
- Image acquisition in multiple planes
- Hard-tissue and soft-tissue imaging
- Digital image enhancement
8
Q
CONE BEAM CT
(2)
A
Cone shaped beam
One flat panel sensor
9
Q
Advantages/Disadvantages over Medical CT
(2)
(3)
A
Less radiation
Lower cost
Image Noise
Poor soft-tissue contrast
Fixed imaging volume
