According to Implant Dentistry, a study by Drs. Avila, Galindo, Rios, and Wang found that dental implants "represent a turning point in dental clinical practice." They deemed that immediate load implants are reliable and have a similar success rate as traditionally placed implants. Additionally, "… a careful case selection, proper treatment plan, meticulous surgery and proper design of prosthesis are essential for optimal outcomes when this approach is adopted."
Read more online here (must register).