Question 123 · LDEK · Etiology of malocclusion
Partial open bite can result from:
1) infantile type of swallowing;
2) pacifier sucking;
3) vertical positioning of the sucked thumb;
4) nail biting;
5) habitual supporting of the chin with one's hand.
The correct answer is:
2) pacifier sucking;
3) vertical positioning of the sucked thumb;
4) nail biting;
5) habitual supporting of the chin with one's hand.
The correct answer is:
- A. 1,2,4.
- B. 2,3.
- C. 3,4,5.
- D. only 4.
- E. all the above.
Hint
Think which habits keep the tongue or an object between the incisors, and which thumb position Polish textbooks link with open bite.
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