Study of Certain Prevail Implants Used to Treat All Types of Edentulism in the Maxilla and Mandible

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: 1. dental implants restored as single tooth replacements, short and long fixed bridges, overdenture, or fixed full denture. 2. a temporary healing abutment will be placed on implant during implant placement surgery (single stage procedure). * 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 implant placement * patients with a \>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 for augmentation purposes. Grafting for treatment of dehiscence or fenestration must have occurred at least 8 weeks prior to implant placement surgery * patients who are pregnant at the screening visit * patients with evidence of severe para-functional habits such as bruxing or clenching * patients with less than 6 weeks of healing time post tooth extraction at the intended treatment site