Immediate vs. Delayed Loading?

Dr. Cal. asks:

I have just read: Immediate versus delayed functional loading of
implants in the posterior mandible – A 2-year prospective clinical
study of 12 consecutive cases (Romanos G., Nentwig G-H. Int. J. of
Periodontics and Restorative Dentistry; 2006:26:459-469).

The bottom line here is that after 2-years in the posterior mandible, there was basically no difference between the dental implants which had a 3-month osseointegration followed by restoration versus immediate loading of the dental implants! In this study, 3 dental implants were placed in the posterior mandible and splinted together. Have any of you out there done this sort of immediate load and what were your results? Do you see a difference? Any thoughts on immediate vs delayed would be appreciated.