[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100602508":3},{"organization":4,"armGroups":7,"interventions":17,"overallOfficials":10,"centralContacts":22,"locations":28,"responsibleParty":45,"collaborators":10,"id":47,"slug":10,"hasResults":48,"nctId":49,"briefTitle":50,"officialTitle":50,"acronym":10,"eligibilityCriteria":51,"healthyVolunteers":48,"sex":52,"minAge":53,"maxAge":54,"enrollmentInfo":55,"targetDuration":10,"studyType":58,"phases":10,"briefSummary":59,"conditions":60,"keywords":10,"overallStatus":31,"whyStopped":10,"lastUpdateSubmitDate":62,"lastUpdatePostDateStruct":63,"startDateStruct":66,"completionDateStruct":68,"leadSponsor":70,"locationsCount":71},{"fullName":5,"class":6},"The Dental Hospital of Zhejiang University School of Medicine","OTHER",[8,12],{"label":9,"type":10,"description":11,"interventionNames":10},"inadequate keratinized mucosa",null,"peri-implant width of keratinized mucosa less than 2 mm",{"label":13,"type":10,"description":14,"interventionNames":15},"adequate keratinized mucosa","peri-implant width of keratinized mucosa ≥ 2 mm",[16],"Other: No intervention",[18],{"type":6,"name":19,"description":20,"armGroupLabels":21,"otherNames":10},"No intervention","No intervention: observational case-control study",[13],[23],{"name":24,"role":25,"phone":26,"phoneExt":10,"email":27},"Misi Si","CONTACT","+86 18605712858","misi_si@zju.edu.cn",[29],{"facility":30,"status":31,"city":32,"state":33,"zip":34,"country":35,"countryCode":36,"cosmosGeoPoint":37,"geoPoint":42,"contacts":43},"The Stomatology Hospital, Zhejiang University School of Medicine","RECRUITING","Hangzhou","Zhejiang","310000","China","CN",{"type":38,"coordinates":39},"Point",[40,41],120.16142,30.29365,{"lat":41,"lon":40},[44],{"name":24,"role":25,"phone":26,"phoneExt":10,"email":27},{"type":46,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100602508",false,"NCT07124416","The Impact of the Adequacy of Keratinized Mucosa on Peri-implant Tissue Health and Patient-reported Outcomes","Inclusion Criteria:\n\n* Individuals aged 18 to 70 years (inclusive of 18 and 70 years), of any gender;\n* Patients who have undergone dental implant restoration是（single crown or fixed bridge restorations） at the Stomatology Hospital, Zhejiang University School of medicine and have had their final restoration for at least 6 months;\n* Patients who voluntarily participate and sign the informed consent form after being fully informed, and who cooperate with relevant examinations.\n\nExclusion Criteria:\n\n* Patients who are unwilling to participate in the follow-up of this study for various reasons","ALL","18 Years","90 Years",{"count":56,"type":57},150,"ESTIMATED","OBSERVATIONAL","This study aims to conduct a cross-sectional study to compare the differences in clinical indices, patient-reported outcomes, and levels of inflammatory factors in peri-implant gingival crevicular fluid between sites with adequate (≥ 2 mm) and inadequate (\\\u003C 2 mm) keratinized mucosa after implant restoration, in order to explore the impact of the presence of keratinized mucosa on peri-implant soft and hard tissue health.",[61],"Edentulous Alveolar Ridge","2025-08-08",{"date":64,"type":65},"2025-08-15","ACTUAL",{"date":67,"type":65},"2025-07-10",{"date":69,"type":57},"2026-12",{"name":5,"class":6},1]