Dental Radiography Flashcards
1
Q
What is dental radiography
A
- Images of teeth, bones and surrounding soft tissues which can show cavities, cancerous or benign masses, hidden wisdom teeth or bone loss
2
Q
Why is dental radiography used?
A
- To check up on dental work or disease progression / treatment
- Evaluate trauma and fractures
- To show infections, abscess etc
- Pre op assessments and post op evaluation
3
Q
What is intra-oral radiography
A
- Performed with a small film or digital receptor placed inside the patients mouth
4
Q
What are the 2 views of Intra-oral Radiography
A
- Bitewing
- Periapical
5
Q
Describe what the “Bitewing” view shows
A
- Shows the crowns of the teeth of both jaws
6
Q
Describe what the “periapical” view shows
A
- Shows the teeth plus the bone surround the roots
7
Q
What is an OPG
A
- A two-dimensional view of a half-circle from ear to ear
- Performed using Panoramic X-rays
8
Q
Describe what an Encephalography is
A
- Profile x-ray of the skull and soft tissues used to assess the relations of the teeth in the jaws
9
Q
What parts of the tooth can be seen in the Periapical view
A
- Dentin
- Enamel
- Pulp
- Apical Foramen
- Root Canal
- Lamina Dura
- Cementum
- Periodontal Ligament
10
Q
State the anatomy which can be seen in an OPG
A
- Left Upper Premolar
- Right Upper Premolar
- Unerupted Left Lower Wisdom
- Root Canal of Right Lower Wisdom
- Pulp of Left Lower Molar
- Right Upper Canine
- Coronoid Process
- Mandibula Condyle
- Temperomandibular Joint
- Alveolar Ridge
- Angle of Mandible
11
Q
What is Intra-oral good for?
A
- Identification of periapical pathology
- Detection of Periodontal Lesions
- Provide proof of evidence for generalised oral disease or history of extensive dental treatment
12
Q
What is an OPG good for?
A
- Evident carious lesions
- Routine Screening
- Periapical Pathology
- Partially Erupted Teeth
- Presence of Crowns
- Gold Standard for Trauma
13
Q
Describe the positioning for a Midsaggital OPG
A
- Align to midsagittal plane is positioned perpendicular or at a right angle to the floor and centred through the nasion
14
Q
Describe the positioning for Occlusal Plane OPG
A
- Positioned parallel to the floor
- Superior border of the external auditory meatus to the infraorbital rim
15
Q
What does CBCT stand for?
A
- Cone Beam Computerised Tomography
