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PGCEE MDS 2022: Microabrasion is a procedure in clinical orthodontics performed to:

 # Microabrasion is a procedure in clinical orthodontics performed to:
a) Clean the bracket base
b) Clean the arch wire
c) Polishing the bracket
d) Removal of white spot lesions.


The correct answer is D. Removal of white spot lesions.

Microabrasion is a method used to remove surface stains or defects. Enamel microabrasion is a minimally invasive technique for improving the appearance of teeth with superficial enamel irregularities and discoloration defects.  Tooth enamel defects amenable to microabrasion are brown or white stains or spots associated with conditions such as enamel fluorosis, hypomineralisation, decalcified areas around orthodontic brackets, or other intrinsic factors that do not respond to bleaching alone. In fact, microabrasion may be used either prior to and/or after dental bleaching to achieve uniform tooth color for these types of difficult-to-treat teeth.

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