Learning outcomes:
At the conclusion of this session, the audience will be able to:

• Understand the backgrounds of different restorative solutions for restoring the edentulous maxilla with an implant retained overdenture
• Describe the different implant anchor possibilities.
• Explain the clinical significance for the choice of the retention anchor
• Discuss the indications for the different solutions.
• Summarize evidence-based literature on the different treatment modalities.

Scientific evidence:
Eckert SE, Carr AB, Implant-retained maxillary overdentures. Dent Clin North Am. 2004 Jul;48(3):585-601Williams BH, Ochiai KT, Hojo S, Nishimura R, Caputo AA. Retention of maxillary implant overdenture bars of different designs. J Prosthet Dent. 2001 Dec;86(6):603-7.

Närhi TO, Hevinga M, Voorsmit RA, Kalk W. Maxillary overdentures retained by splinted and unsplinted implants: a retrospective study. Int J Oral Maxillofac Implants. 2001 Mar-Apr;16(2):259-66.