5 Questions
What is the thickness range of the periodontal ligament space in humans?
0.15 to 0.38 mm
What appears as a radiolucent area between the radiopaque lamina dura and the radiopaque cementum on radiographs?
Periodontal ligament
Which cells are NOT found in the periodontal ligament?
Osteoblasts
What is the PDL continuous with at the apical foramen?
Dental pulp
Which term was previously used for the periodontal ligament?
"Desmodont"
Study Notes
Periodontal Ligament Characteristics
- The thickness range of the periodontal ligament (PDL) space in humans is 0.15-0.38 mm.
- The PDL appears as a radiolucent area between the radiopaque lamina dura and the radiopaque cementum on radiographs.
Periodontal Ligament Composition
- Certain cells are not found in the periodontal ligament.
Periodontal Ligament Continuity
- The PDL is continuous with the periapical tissue at the apical foramen.
Historical Terminology
- The periodontal ligament was previously referred to as the periodontal membrane.
Test your knowledge about the periodontal ligament (PDL), its structure, and functions with this quiz.
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