How Many Implants Are Needed for Full Mouth Restoration?

The number of implants required varies based on the type of restoration. Here is a guide.

The number of implants needed depends on several factors, including bone quality, jaw size, and the type of restoration.

  • For the upper jaw (maxilla):
  • Overdenture (removable): 4–6 implants
  • All-on-4: 4 implants
  • All-on-6: 6 implants
  • Individual implants: 8–10 implants (one per missing tooth)
  • For the lower jaw (mandible):
  • Overdenture (removable): 2–4 implants (the lower jaw can often manage with fewer)
  • All-on-4: 4 implants
  • All-on-6: 6 implants
  • Individual implants: 8–10 implants
  • Why different numbers?
  • 4 implants (All-on-4) β€” uses two straight implants in the front and two angled implants in the back to maximize contact with available bone. This often avoids the need for bone grafting
  • 6 implants (All-on-6) β€” provides more support and is better for people with good bone density who want extra stability
  • Overdentures with 2–4 implants β€” sufficient to hold a removable denture securely, especially in the lower jaw

What Your Dentist Will Consider

  • Bone density and volume
  • Jaw size and shape
  • Bite forces
  • Your budget
  • Whether you prefer fixed or removable

Clinical Guidance