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Implants · single question

The commonly recommended MINIMUM number of implants to support a MAXILLARY implant overdenture is:

  1. Four
  2. One
  3. Two
  4. Eight
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Correct answer: A. Four

  • A. Correct. Because of poorer maxillary bone quality, a maxillary implant overdenture is generally supported by at least four implants (a mandibular overdenture can be retained by two).
  • B. Incorrect. A single implant cannot adequately retain/support a maxillary overdenture.
  • C. Incorrect. Two implants is the typical minimum for the MANDIBLE, not the maxilla.
  • D. Incorrect. Eight exceeds the usual recommended minimum, though more may be used for fixed prostheses.

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