[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100271521":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":29,"centralContacts":33,"locations":44,"responsibleParty":61,"collaborators":38,"id":64,"slug":38,"hasResults":65,"nctId":66,"briefTitle":67,"officialTitle":68,"acronym":38,"eligibilityCriteria":69,"healthyVolunteers":65,"sex":70,"minAge":71,"maxAge":72,"enrollmentInfo":73,"targetDuration":38,"studyType":76,"phases":77,"briefSummary":79,"conditions":80,"keywords":83,"overallStatus":47,"whyStopped":38,"lastUpdateSubmitDate":88,"lastUpdatePostDateStruct":89,"startDateStruct":92,"completionDateStruct":94,"leadSponsor":96,"locationsCount":97},{"fullName":5,"class":6},"Sun Yat-sen University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Type 1 implant placement","ACTIVE_COMPARATOR","Implant is placed immediately following tooth extraction in one surgical procedure",[13],"Procedure: Type 1 implant placement",{"label":15,"type":10,"description":16,"interventionNames":17},"Type 3 implant placement","Implant is placed in the site which is left to heal for 3 months following tooth extraction",[18],"Procedure: Type 3 implant placement",[20,25],{"type":21,"name":9,"description":11,"armGroupLabels":22,"otherNames":23},"PROCEDURE",[9],[24],"Immediate implant placement",{"type":21,"name":15,"description":16,"armGroupLabels":26,"otherNames":27},[15],[28],"Delayed implant placement",[30],{"name":31,"affiliation":5,"role":32},"Zhuofan Chen","STUDY_DIRECTOR",[34,40],{"name":35,"role":36,"phone":37,"phoneExt":38,"email":39},"Xin Liu","CONTACT","+8615902064014",null,"838667172@163.com",{"name":41,"role":36,"phone":42,"phoneExt":38,"email":43},"Baoxin Huang","+8615820219260","dentisthbx@163.com",[45],{"facility":46,"status":47,"city":48,"state":49,"zip":50,"country":51,"cosmosGeoPoint":52,"geoPoint":57,"contacts":58},"Guanghua School of Stomatology Hospital of Stomatology","RECRUITING","Guangzhou","Guangdong","510000","China",{"type":53,"coordinates":54},"Point",[55,56],113.25,23.11667,{"lat":56,"lon":55},[59,60],{"name":35,"role":36,"phone":37,"phoneExt":38,"email":39},{"name":41,"role":36,"phone":42,"phoneExt":38,"email":43},{"type":62,"investigatorFullName":35,"investigatorTitle":63,"investigatorAffiliation":5,"oldNameTitle":38,"oldOrganization":38},"PRINCIPAL_INVESTIGATOR","post graduate","100271521",false,"NCT02814149","Esthetic, Clinical and Radiographic Outcomes of Immediate and Delayed Implant Placement","Esthetic, Clinical and Radiographic Outcomes of Immediate Implant Placement and Delayed Implant Placement in the Anterior Region of the Maxilla","Inclusion Criteria:\n\n* At least 18 years old and able to understand an informed consent\n* Adequate oral hygiene to allow for implant therapy consistent with standards of care.\n* Missing a single tooth in the maxillary anterior region\n* Presence of adjacent natural teeth\n\nExclusion Criteria:\n\n* Poor oral hygiene\n* Severe parafunctional habits, for example, bruxing and clenching\n* Presence of clinically active periodontal disease as expressed by probing pocket depths≥4 mm in combination with bleeding on probing.\n* Conditions that might lead to a possibly lowered regenerative capacity of the bone, for example, osteoporosis and Paget's disease\n* Pregnant or expecting to be pregnant\n* History of drug and alcohol abuse\n* History of systemic diseases that would contraindicate oral surgical treatment, for example, uncontrolled diabetes (defined as HBA1c level \\>7%)\n* Radiotherapy in the head and neck area,\n* On certain medications like bisphosphonates or steroids currently or within the past three months\n* Absence of adjacent teeth\n* Unwillingness to return for the follow-up examination\n* Smokers (more than 20 cigarettes per day). Subjects smoking \\\u003C20 cigarettes per day were requested to stop smoking before and after surgery","ALL","18 Years","80 Years",{"count":74,"type":75},40,"ESTIMATED","INTERVENTIONAL",[78],"NA","The aim of this prospective cohort study is to compare the esthetic, clinical and patient-centered outcomes following immediate and delayed implant placement protocols.",[81,82],"Jaw, Edentulous, Partially","Acquired Absence of Single Tooth",[84,85,86,87],"delayed implant","esthetics","immediate implant","bone augmentation","2019-10-31",{"date":90,"type":91},"2019-11-01","ACTUAL",{"date":93,"type":91},"2016-05",{"date":95,"type":75},"2027-06",{"name":5,"class":6},1]