10 Questions
What is the term that refers to the tissues that invest and support the teeth?
Periodontium
Where is the normal healthy alveolar crest located?
Approximately 1.5 to 2.0 mm apical to the cementoenamel junction
What is the normal appearance of the lamina dura in a healthy radiograph?
A dense radiopaque line
What is the normal appearance of the periodontal ligament space in a healthy radiograph?
A thin radiolucent line
What is the shape of the alveolar crest in the anterior regions of the mouth?
Pointed and sharp
What is the significance of the lamina dura in radiographic interpretation of periodontal disease?
It is a normal anatomic landmark
How does the radiopacity of the alveolar crest compare between the anterior and posterior regions of the mouth?
It is less radiopaque in the posterior regions
What is the significance of the periodontal ligament space in radiographic interpretation of periodontal disease?
It is a normal anatomic landmark
How does the shape of the alveolar crest vary between the anterior and posterior regions of the mouth?
It is pointed and sharp in the anterior regions and flat and smooth in the posterior regions
What is the significance of the alveolar crest in radiographic interpretation of periodontal disease?
It is a normal anatomic landmark
This quiz covers the limitations of radiographs in dentistry, including the challenges of interpreting 2D images and the potential for certain features to obscure others. Learn about the difficulties in distinguishing between buccal and lingual crestal bone levels, and how dense tooth or restoration shadows can hide important details.
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