California Registered Dental Assistant (RDA) Written Practice Exam

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Besides ligature ties, what can be used to hold an arch wire in place?

  1. Rubber bands

  2. Clips

  3. Elastomeric ties

  4. Glue

The correct answer is: Elastomeric ties

Elastomeric ties are small elastic bands that are used to hold the arch wire in place. Option A, rubber bands, are typically used to apply pressure on the teeth for alignment, but are not suitable for holding the arch wire in place. Option B, clips, are used to secure the arch wire to the brackets, but are not meant to hold it in place. Option D, glue, is not used in orthodontic treatment and can damage the teeth. Therefore, the most appropriate answer is C, elastomeric ties.

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