Question 304 · LDEK · Maxillofacial and geriatric prosthodontics
Which of the age-related morphological and functional changes in edentulous patients affect the temporomandibular joint?
1) flattening of the articular eminence, which forms part of the temporal bone;
2) increased inclination of the articular eminence, which forms part of the sphenoid bone;
3) flattening of the articular eminence, which forms part of the mandibular ramus;
4) flattening of the mandibular fossa, which forms part of the temporal bone;
5) deepening of the mandibular fossa, which forms part of the sphenoid bone;
6) shallowing of the mandibular fossa, which forms part of the mandibular ramus;
7) upward posterior displacement of the mandibular condyle;
8) downward anterior displacement of the mandibular condyle;
9) upward anterior displacement of the mandibular condyle.
The correct answer is:
2) increased inclination of the articular eminence, which forms part of the sphenoid bone;
3) flattening of the articular eminence, which forms part of the mandibular ramus;
4) flattening of the mandibular fossa, which forms part of the temporal bone;
5) deepening of the mandibular fossa, which forms part of the sphenoid bone;
6) shallowing of the mandibular fossa, which forms part of the mandibular ramus;
7) upward posterior displacement of the mandibular condyle;
8) downward anterior displacement of the mandibular condyle;
9) upward anterior displacement of the mandibular condyle.
The correct answer is:
- A. 1,4,7.
- B. 2,4,9.
- C. 3,6,9.
- D. 1,5,7.
- E. 3,6,8.
Hint
Check which bone carries the articular eminence and the mandibular fossa, then consider where the condyle moves when vertical dimension is lost.
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