A Study of the Performance of Certain Prevail Implants Used in Short Fixed Cases (RadioCity)

Inclusion Criteria:

• patients of either sex and any race greater than 18 years of age
• patients for whom a decision has already been made to use dental implants for treating an existing dental condition specifically: a partially edentulous short fixed case of less than 4 implants in the maxilla or mandible; no cantilevers are allowed, but one interior crown may be a pontic
• patients must be physically able to tolerate conventional surgical and restorative procedures
• patients must agree to be evaluated for each study visit, especially the yearly follow-up visit

Exclusion Criteria:

• patients with active infection or severe inflammation in the areas intended for the implants
• patients with more than 10 cigarette per day smoking habit
• patients with uncontrolled diabetes mellitus
• patients with metabolic bone disease
• patients who have had treatment with therapeutic radiation to the head within the past 12 months
• patients in need of allogenic bone grafting at the site of the intended study implant
• patients who are pregnant at the screening visit
• patients with evidence of severe para-functional habits such as bruxing or clenching
• patients with cantilevers and more than one pontic per bridge