Question 6 · LDEK · Extraoral appliances
Indicate the true statements concerning the headcap with chin cap:
1) it is an active extraoral apparatus;
2) it is a passive extraoral apparatus;
3) is used for treatment of mesioclusions, mandibular prognathism and open bites;
4) can be used as the only method of treatment or as a supportive treatment;
5) can be used as the only method of treatment, as a supportive treatment or in retention procedures;
6) can be used only in milk and mixed dentition.
The correct answer is:
2) it is a passive extraoral apparatus;
3) is used for treatment of mesioclusions, mandibular prognathism and open bites;
4) can be used as the only method of treatment or as a supportive treatment;
5) can be used as the only method of treatment, as a supportive treatment or in retention procedures;
6) can be used only in milk and mixed dentition.
The correct answer is:
- A. 1,3,5,6.
- B. 1,3,4,6.
- C. 2,3,5.
- D. 2,3,5,6.
- E. 1,3,5.
Hint
Decide whether elastics or the patient's own muscles generate the force, and whether the device has a role after active treatment.
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