[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100640509":3},{"organization":4,"armGroups":7,"interventions":30,"overallOfficials":45,"centralContacts":49,"locations":55,"responsibleParty":74,"collaborators":76,"id":81,"slug":82,"hasResults":83,"nctId":84,"briefTitle":85,"officialTitle":86,"acronym":87,"eligibilityCriteria":88,"healthyVolunteers":83,"sex":89,"minAge":90,"maxAge":91,"enrollmentInfo":92,"targetDuration":35,"studyType":95,"phases":96,"briefSummary":98,"conditions":99,"keywords":101,"overallStatus":58,"whyStopped":35,"lastUpdateSubmitDate":106,"lastUpdatePostDateStruct":107,"startDateStruct":110,"completionDateStruct":112,"leadSponsor":114,"locationsCount":115},{"fullName":5,"class":6},"University of Ostrava","OTHER",[8,14,20,25],{"label":9,"type":10,"description":11,"interventionNames":12},"Spontaneous healing secured with a stitch (control group)","ACTIVE_COMPARATOR","Wound after the tooth extraction will be secured with a stitch without addition of any augmentation material.",[13],"Procedure: Tooth extraction left to heal spontaneously",{"label":15,"type":16,"description":17,"interventionNames":18},"Colagen sponge","EXPERIMENTAL","Wound after the tooth extraction will be filled with a collagen sponge (Parasorb Cone, Resorba, Germany) and secured with a stitch.",[19],"Procedure: Tooth extraction plus collagen sponge",{"label":21,"type":16,"description":22,"interventionNames":23},"Tricalcium phosphate xenograft","Wound after the tooth extraction will be filled with tricalcium phosphate xenograft (Poresorb TCP, Lasak, Czech Republic), covered with a collagen sponge (Parasorb Cone, Resorba, Germany), and secured with a stitch.",[24],"Procedure: Tooth extraction plus tricalcium phosphate",{"label":26,"type":16,"description":27,"interventionNames":28},"Autogenous dentin","Wound after the tooth extraction will be filled with grounded autogenous dentin, covered with a collagen sponge (Parasorb Cone, Resorba, Germany), and secured with a stitch.",[29],"Procedure: Tooth extraction plus autogenous dentin",[31,36,39,42],{"type":32,"name":33,"description":11,"armGroupLabels":34,"otherNames":35},"PROCEDURE","Tooth extraction left to heal spontaneously",[9],null,{"type":32,"name":37,"description":17,"armGroupLabels":38,"otherNames":35},"Tooth extraction plus collagen sponge",[15],{"type":32,"name":40,"description":22,"armGroupLabels":41,"otherNames":35},"Tooth extraction plus tricalcium phosphate",[21],{"type":32,"name":43,"description":27,"armGroupLabels":44,"otherNames":35},"Tooth extraction plus autogenous dentin",[26],[46],{"name":47,"affiliation":5,"role":48},"Martin Starosta, Assoc. Prof.","STUDY_CHAIR",[50],{"name":51,"role":52,"phone":53,"phoneExt":35,"email":54},"Petr Jalůvka, MDDr.","CONTACT","+420 596 623 518","petr.jaluvka@osu.cz",[56],{"facility":57,"status":58,"city":59,"state":35,"zip":60,"country":61,"countryCode":35,"cosmosGeoPoint":62,"geoPoint":67,"contacts":68},"University Hospital Ostrava","RECRUITING","Ostrava","70852","Czechia",{"type":63,"coordinates":64},"Point",[65,66],18.28204,49.83465,{"lat":66,"lon":65},[69,72],{"name":70,"role":52,"phone":35,"phoneExt":35,"email":71},"Martin Starosta, Assoc. Prof. MUDr., Ph.D.","martin.starosta@osu.cz",{"name":51,"role":73,"phone":35,"phoneExt":35,"email":35},"PRINCIPAL_INVESTIGATOR",{"type":75,"investigatorFullName":35,"investigatorTitle":35,"investigatorAffiliation":35,"oldNameTitle":35,"oldOrganization":35},"SPONSOR",[77,78],{"name":57,"class":6},{"name":79,"class":80},"Private dental practice Jalůvka","UNKNOWN","100640509","socket-preservation-using-autogenous-dentin-100640509",false,"NCT07608289","Socket Preservation Using Autogenous Dentin","Socket Preservation After Tooth Extraction Using Autogenous Dentin in Comparison With Other Techniques","SPAD","Inclusion Criteria:\n\n* 18-70 years\n* no active periodontitis\n* signed informed consent with participation in the study\n* need for extraction of teeth other than third molars\n* patients requesting only standard\u002Freimbursed care\n\nExclusion Criteria:\n\n* drug or alcohol abuse\n* ongoing chemotherapy\n* ongoing radiotherapy\n* pregnancy\n* ongoing treatment of osteoporosis or other biological treatment with MRONJ risk\n* low compliance\n* patients asking for premium care","ALL","18 Years","70 Years",{"count":93,"type":94},80,"ESTIMATED","INTERVENTIONAL",[97],"NA","Tooth extraction leads to a substantial reduction in alveolar bone volume, with up to 25% loss within the first year and up to 40-60% within three years. This prospective randomized clinical study aims to compare four commonly used methods of alveolar ridge preservation, evaluating their effectiveness in maintaining bone volume for later prosthetic or implant rehabilitation. Alveolar dimensions will be measured using calibrated CBCT imaging pre-extraction and at six months post-extraction.",[100],"Tooth Extraction Site Healing",[102,103,104,105],"Socket preservation","autogenous dentin","tooth extraction","alveolar ridge augmentation","2026-05-20",{"date":108,"type":109},"2026-05-27","ACTUAL",{"date":111,"type":109},"2025-01-01",{"date":113,"type":94},"2028-12-31",{"name":5,"class":6},1]