California Registered Dental Assistant (RDA) Written Practice Exam

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Sealants are placed

  1. On the tooth's surface

  2. In cavities

  3. In pits and fissures

  4. On dental implants

The correct answer is: In pits and fissures

Sealants are typically placed in the pits and fissures (indentations) of the teeth, not on the tooth's surface or in cavities. This is because these deep grooves can be difficult to clean properly, making them more prone to decay. Dental implants, which are artificial teeth root replacements, do not typically require sealants as they are not natural teeth with pits and fissures.

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