California Registered Dental Assistant (RDA) Written Practice Exam

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A retainer on a partial is also called a what?

  1. Clasp

  2. Bracket

  3. Lock

  4. Hook

The correct answer is: Clasp

"A retainer is a device used to hold a partial denture in place. In dentistry, there are different types of retainers such as clasps, brackets, locks, and hooks. However, the specific name for a retainer on a partial denture is a clasp. A bracket is typically used to hold braces in place, a lock is used to secure something, and a hook is used as a fastener. Therefore, while all of these options may be used in dentistry, they are not interchangeable when referring to a retainer on a partial denture. Option A, clasp, is the most accurate and specific term for this type of retainer."

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