Question 204 · LDEK · Etiology of malocclusion
Which of the below mentioned causes can lead to developing class II malocclusion?
1) finger-sucking;
2) persistent infantile type swallowing;
3) oral breathing pattern;
4) artificial feeding;
5) disfunction in lip seal, where the swallowing is performed with the tip of the tongue touching the upper lip;
6) disfunction in lip seal, where the swallowing is performed with the tip of the tongue touching the lower lip.
The correct answer is:
2) persistent infantile type swallowing;
3) oral breathing pattern;
4) artificial feeding;
5) disfunction in lip seal, where the swallowing is performed with the tip of the tongue touching the upper lip;
6) disfunction in lip seal, where the swallowing is performed with the tip of the tongue touching the lower lip.
The correct answer is:
- A. 1, 2, 3, 4, 6.
- B. 1, 2, 3, 4, 5.
- C. 1, 3, 5.
- D. 1, 3, 4, 6.
- E. 1, 2, 3, 4.
Hint
Consider which habits and dysfunctions procline the upper incisors or hold the mandible back, and where the tongue meets the lip when lip seal is incompetent.
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