[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"acquired-absence-of-single-tooth\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:acquired-absence-of-single-tooth":45},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":10,"sex":15,"minAge":16,"maxAge":17,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":28,"overallStatus":33,"whyStopped":4,"lastUpdateSubmitDate":34,"lastUpdatePostDateStruct":35,"startDateStruct":38,"completionDateStruct":40,"leadSponsor":42,"locationsCount":5},"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":19,"type":20},40,"ESTIMATED","INTERVENTIONAL",[23],"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.",[26,27],"Jaw, Edentulous, Partially","Acquired Absence of Single Tooth",[29,30,31,32],"delayed implant","esthetics","immediate implant","bone augmentation","RECRUITING","2019-10-31",{"date":36,"type":37},"2019-11-01","ACTUAL",{"date":39,"type":37},"2016-05",{"date":41,"type":20},"2027-06",{"name":43,"class":44},"Sun Yat-sen University","OTHER",""]