{"nct_id":"NCT00728754","title":"A Study of Certain Prevail Implants Used for the Preservation of Crestal Bone in Short Fixed Bridge Cases.","status":"COMPLETED","status_verified_date":"2022-03","start_date":"2005-03","start_date_type":null,"primary_completion_date":"2007-07","primary_completion_date_type":"ACTUAL","completion_date":"2011-04","completion_date_type":"ACTUAL","phases":["NA"],"tickers":["ZIMV"]}