A Study of Osseotite Certain Prevail Implants Used to Support Short Fixed Bridges With Immediate Occlusal Loading.

Exclusion Criteria

• •patients with active infection or severe inflammation in the areas intended for implant placement
• •patients with a \>10 cigarettes / day smoking habit
• •patients with uncontrolled diabetes or metabolic bone disease
• •patients with a history of therapeutic radiation to the head
• •patients in need of bone grafting at the site of the intended study implant; if at the time of surgery some lateral voids need to be filled this is acceptable and does not exclude the patient from the analysis
• •patients who are known to be pregnant
• •patients with para-functional habits with evidence of severe bruxing or clenching
• •placement of implants into sites with less than sixteen weeks of post-extraction healing; for 3-4 unit cases one implant site may have less than sixteen weeks of healing prior to implant placement
• •type III or IV bone characteristics of the intended implant sites
• •inter-arch distance of less than 7mm (planned location of implant seating platform to the apposing occlusal landmark)