# Which of the following are typical and acceptable preventive and therapeutic measures for dealing with the periodontal problems during fixed appliance therapy?
a) Elimination of gingivitis prior to placing orthodontic appliances
b) Home care instruction regarding the use of the toothbrush and water pik during orthodontic treatment
c) Megavitamin therapy
d) Scaling and curettage immediately after appliance removal
The correct answer is A. Elimination of gingivitis prior to placing orthodontic appliances
Maintaining oral hygiene becomes more challenging once the fixed orthodontic brackets are placed. Pre-existing gingivitis should be treated and eliminated before placing the brackets.
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