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Implants · single question

Typical MINIMUM number of implants for a full-arch maxillary implant-supported overdenture?

  1. 6
  2. 2
  3. 4
  4. 8
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Correct answer: C. 4

Minimum 4 implants for full-arch maxillary overdenture (All-on-4 concept). Some protocols use 6 for added stability. Mandible can be rehabilitated with 2 implants (Hader bar or locator attachments). Maxilla requires more due to lower bone density.

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