Question 142 · LDEK · Complete dentures
After a complete loss of teeth the following occurs in the mandible:
1) the mucous membrane overgrowth on the crest of the alveolar ridge;
2) substantial bone loss of the edentulous alveolar ridge;
3) shifting the neutral zone in the direction of the crest of the alveolar ridge;
4) shifting the neutral zone in the direction of the floor of the mouth;
5) tongue enlargement, a tongue loses the support from the dental arch;
6) tongue diminution, a tongue loses the support from the dental arch;
7) lingual dislocation of sublingual salivary glands;
8) sublingual salivary glands partially occupy the space required for denture placement.
The correct answer is:
2) substantial bone loss of the edentulous alveolar ridge;
3) shifting the neutral zone in the direction of the crest of the alveolar ridge;
4) shifting the neutral zone in the direction of the floor of the mouth;
5) tongue enlargement, a tongue loses the support from the dental arch;
6) tongue diminution, a tongue loses the support from the dental arch;
7) lingual dislocation of sublingual salivary glands;
8) sublingual salivary glands partially occupy the space required for denture placement.
The correct answer is:
- A. 1,2,4,6.
- B. 2,3,5,8.
- C. 1,3,6,7.
- D. 1,2,3,6,7.
- E. 2,4,6,7,8.
Hint
Picture the edentulous mandible: the ridge shrinks, so what moves towards its crest, and how does a tongue behave without teeth to confine it?
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