Ridge Preservation Using a Ossix™ Bone vs Bio-Oss® Collagen

Exclusion Criteria

• •Will not cooperate with the follow-up schedule. Patients will not be entered who are mentally incompetent, prisoners, or pregnant.
• •* Pregnant women or women intending to become pregnant during the study period (as confirmed verbally; an over the counter pregnancy test will be provided if pregnancy status is unknown or suspected).
• •* Patients who become pregnant during the study will be withdrawn and standard care will be delivered.
• •* Smokers who smoke \>10 cigarettes per day
• •* Clinical and/or radiographic determinations which will preclude inclusion in this study are: Active infection other than periodontitis; Inadequate bone dimensions or restorative space for a dental implant; Presence of a disease entity, condition or therapeutic regimen which decreases probability of soft tissue and bony healing, e.g., poorly controlled diabetes, chemotherapeutic and immunosuppressive agents, autoimmune diseases, history of bisphosphonate use or long-term steroid therapy; Positive medical history of endocarditis following oral or dental surgery.