Question 212 (part 2) · LDEK · Complete dentures
Indicate true statements regarding the neutral zone:
1) it is a potential space for complete denture;
2) it forms after extraction of all teeth and alveolar processes atrophy;
3) it constitutes an artificially created part of stomatognathic system;
4) it was described for the first time by Fish;
5) it is limited from above by maxilla and soft palate, by mandible and oral cavity floor by below, internally by tongue, externally by lips and cheeks;
6) it is a space of oral cavity, in which the lingual forces outweigh the forces of cheeks and lips.
Correct answer is:
2) it forms after extraction of all teeth and alveolar processes atrophy;
3) it constitutes an artificially created part of stomatognathic system;
4) it was described for the first time by Fish;
5) it is limited from above by maxilla and soft palate, by mandible and oral cavity floor by below, internally by tongue, externally by lips and cheeks;
6) it is a space of oral cavity, in which the lingual forces outweigh the forces of cheeks and lips.
Correct answer is:
- A. 1,2,3,4.
- B. 2,3,4,5.
- C. 1,2,4,5.
- D. 1,4,5,6.
- E. 1,2,5,6.
Hint
The neutral zone is a natural space where opposing muscular forces are in equilibrium, not one where one side dominates.
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