Do three-dimensional finite element analysis of different implant configurations for a mandibular fixed prosthesis?
In parallel-implant configurations for fixed implant-supported mandibular prostheses, four and five implants resulted in similar stress distribution in the bone, framework, and implants. A distribution of four implants with the distal implants tilted 34 degrees (ie, the "All-on-Four" configuration) resulted in a favorable reduction of stresses in the bone, framework, and implants.
Participants appeared to become more aware of the mechanics of their actions over time. Possible explanations for this finding are discussed with reference to rehabilitation.