Question 231 · LDEK · Fixed appliances
Elastomeric chains should not be used for:
- A. closing small spaces.
- B. closing large interdental spaces.
- C. teeth rotation.
- D. pulling the teeth towards the arch.
- E. preventing the opening of the arch in the final phase of the treatment.
Hint
Elastomeric chains lose much of their force within the first day; consider which task needs a steady force over a long distance.
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