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RDA PRACTICE EXAM- WRITTEN EXAM
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RDA PRACTICE EXAM- WRITTEN EXAM
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RDA PRACTICE EXAM- WRITTEN EXAMAlginate Impression - gagging is controlled by? Correct Answer: 1. Having patient breathe through nose
2. Working as fast as possible
3. sitting in and upright position
For accuracy - Alginate impression - how long after impressions are taken should they be "poured"
Correct Answer: Within 5 minutes
Prior to cementation of bands - the elastic "orthodontic separators should be? Correct Answer:
Removed from the contact area
Orthodontic Separator - proper position is? Correct Answer: Around the "Mesial" and "Distal" contact of
the teeth
Elastic Separators - removing with instrument, it is important to do what? Correct Answer: Not impinge
on the tissue
Be careful to not allow them to go down patient's throat
Be careful that remnants of the elastic separators are not left on interproximally
Orthodontic "Intra-Oral" measurements are performed by using a? Correct Answer: Boley gauge
Flexible millimeter ruler
Adjusted Retainer Placement - the dental assistant should? Correct Answer: Make sure that no wires
impinge on tissue during seating of the retainer
Checking For loose bands - to protect gingiva the direction of pressure on the instrument is primarily
placed? Correct Answer: Occlusally
Remove ligature ties Correct Answer: Procedure performed to free arch wire from the brackets
Removal of Ligature Wires - Most important procedure is to? Correct Answer: Make sure the patient's
soft tissues are not in or near the blades of the "Ligature cutter."
Orthodontic Separators - used to? Correct Answer: Create enough space to fit an "Orthodontic Band."
The "Pigtail" of a metal "brass" wire separator must rest on the? Correct Answer: Buccal Surface
Archwire - must be seated into the bracket slot to do what? Correct Answer: Obtain full correction
effects of the wire
Ligating the arch wire into the bracket - followed by the trimmed ligature tie being directed/guided
where? Correct Answer: Gingivally
RDA - performing a mouth mirror inspection should? Correct Answer: Be able to differentiate the
abnormal condition form the normal
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