Question 7 · LDEK · Etiology of malocclusion
Indicate the true statements concerning the tongue rest position in the mouth:
1) rest position of the tongue does not affect dental malocclusion formation;
2) anterior rest positioning of the tongue between the upper and lower dental arches may cause anterior or posterior open bite;
3) low tongue positioning promotes class III malocclusion;
4) low tongue positioning promotes crossbite;
5) high rest positioning of the tongue promotes scissor bite formation.
The correct answer is:
2) anterior rest positioning of the tongue between the upper and lower dental arches may cause anterior or posterior open bite;
3) low tongue positioning promotes class III malocclusion;
4) low tongue positioning promotes crossbite;
5) high rest positioning of the tongue promotes scissor bite formation.
The correct answer is:
- A. only 1.
- B. 2,3.
- C. 3,5.
- D. 3,4,5.
- E. 2,3,4,5.
Hint
Resting tongue pressure acts for many hours a day; consider how a low, high or interdental tongue reshapes the arches.
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