Comparison of Straumann BoneCeramic vs. Allograft Bone in Extraction Sockets

Inclusion Criteria: * Subjects must have voluntarily signed the informed consent form * Subjects must be between the ages of 18 and 80 * Subjects must need a single tooth extraction in ADA sites 3-6 and 11-14 without septal bone in the maxilla and in ADA sites 19-30 without septal bone in the mandible and would benefit from prosthetic reconstruction with a dental implant * Subjects must be committed to the study and the required follow-up visits * Subjects must be in good general health as assessed by the Investigator Exclusion Criteria: * Presence of conditions requiring chronic routine prophylactic use of antibiotics * Pregnancy * Medical conditions requiring prolonged use of steroids * History of leukocyte dysfunction and deficiencies * History of bleeding disorders * History of neoplastic disease requiring the use of chemotherapy * History of radiation therapy to the head and neck * Subjects with a history of renal failure * Subjects with severe or uncontrolled metabolic bone disorders * Uncontrolled endocrine disorders * Subjects who knowingly have HIV or hepatitis * Physical handicaps that would interfere with the ability to perform adequate oral hygiene * Subjects who have undergone administration of any investigational drug or device within 30 days of enrollment in the study * Alcoholism or drug abuse * Subjects who are heavy smokers (\>10 cigarettes per day or cigar equivalents) or chew tobacco * Conditions or circumstances, in the opinion of the Investigator, which would prevent completion of study participation or interfere with analysis of study results, such as history of non-compliance or unreliability * Local inflammation including untreated periodontitis * Mucosal diseases such as erosive lichen planus * History of local radiation therapy * Presence of oral lesions (such as ulcerations or malignancy) * Bone defects that exclude implant restoration * Subjects who have a full mouth plaque level \>30% at the baseline visit * Severe bruxing or clenching habits * Persistent intra-oral infection * Subjects presenting with an acute abscess in the tooth to be extracted or in the adjacent teeth to the extraction site (sites with presence of asymptomatic chronic lesions are eligible) * Subjects with inadequate oral hygiene or unmotivated for adequate home care * At the time of tooth extraction, if any bony wall is severely damaged or completely lost (i.e., anything other than a four wall extraction socket)