[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100651205":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":25,"centralContacts":29,"locations":35,"responsibleParty":51,"collaborators":25,"id":53,"slug":54,"hasResults":55,"nctId":56,"briefTitle":57,"officialTitle":58,"acronym":25,"eligibilityCriteria":59,"healthyVolunteers":60,"sex":61,"minAge":62,"maxAge":63,"enrollmentInfo":64,"targetDuration":25,"studyType":67,"phases":68,"briefSummary":70,"conditions":71,"keywords":73,"overallStatus":37,"whyStopped":25,"lastUpdateSubmitDate":77,"lastUpdatePostDateStruct":78,"startDateStruct":81,"completionDateStruct":83,"leadSponsor":85,"locationsCount":86},{"fullName":5,"class":6},"Bezmialem Vakif University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Proximal Segment Rotation","ACTIVE_COMPARATOR","Patients underwent mandibular osteotomy followed by repositioning of the proximal segment. Alignment of the inferior border of the proximal segment with the mandibular inferior border was achieved by rotating the proximal segment before fixation.",[13],"Procedure: Proximal Segment Rotation",{"label":15,"type":16,"description":17,"interventionNames":18},"Inferior Border Osteotomy Without Proximal Segment Rotation","EXPERIMENTAL","Patients underwent mandibular osteotomy with the proximal segment maintained in its preoperative position. Alignment of the mandibular inferior border was achieved by performing an additional osteotomy at the inferior border of the proximal segment without rotating the proximal segment before fixation.",[19],"Procedure: Inferior Border Osteotomy Without Proximal Segment Rotation",[21,26],{"type":22,"name":9,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","During bimaxillary orthognathic surgery, after bilateral sagittal split osteotomy (BSSO), the proximal mandibular segment is rotated to achieve alignment of the inferior border of the proximal and distal mandibular segments before rigid fixation.",[9],null,{"type":22,"name":15,"description":27,"armGroupLabels":28,"otherNames":25},"During bimaxillary orthognathic surgery, after bilateral sagittal split osteotomy (BSSO), the proximal mandibular segment is maintained in its preoperative position. Alignment of the mandibular inferior border is achieved by performing an additional osteotomy at the inferior border of the proximal segment without rotating the proximal segment before rigid fixation.",[15],[30],{"name":31,"role":32,"phone":33,"phoneExt":25,"email":34},"Taha Pergel, Asist Prof","CONTACT","+905316350088","tahapergel_05@hotmail.com",[36],{"facility":5,"status":37,"city":38,"state":39,"zip":40,"country":41,"countryCode":25,"cosmosGeoPoint":42,"geoPoint":47,"contacts":48},"RECRUITING","Istanbul","Fatih","34093","Turkey (Türkiye)",{"type":43,"coordinates":44},"Point",[45,46],28.94966,41.01384,{"lat":46,"lon":45},[49],{"name":50,"role":32,"phone":33,"phoneExt":25,"email":34},"Taha Pergel, Assit. Prof",{"type":52,"investigatorFullName":25,"investigatorTitle":25,"investigatorAffiliation":25,"oldNameTitle":25,"oldOrganization":25},"SPONSOR","100651205","effect-of-proximal-segment-positioning-on-condylar-remodeling-100651205",false,"NCT07758725","Effect of Proximal Segment Positioning on Condylar Remodeling","The Effect Of Different Proximal Segment Positioning Methods On Postoperative Condylar Remodeling in Patients Undergoing Bimaxillary Orthognathic Surgery","Inclusion Criteria:\n\n1. Patients with skeletal Class III dentofacial deformity scheduled to undergo bimaxillary orthognathic surgery.\n2. Age between 18 and 65 years.\n3. Patients who have completed preoperative orthodontic treatment.\n4. Patients in whom the mandibular distal segment demonstrates a maximum counterclockwise rotation of 4° after bilateral sagittal split osteotomy (BSSO) when positioned in the final planned occlusion.\n\nExclusion Criteria:\n\n1. History of temporomandibular joint surgery, orthognathic surgery, or tumor resection.\n2. Presence of facial asymmetry.\n3. Patients with cleft lip and\u002For palate, craniofacial syndromes, or a history of maxillofacial trauma.\n4. Patients in whom the mandibular distal segment requires more than 4° of counterclockwise rotation after BSSO to achieve the final planned position, as the amount of inferior border (basal) resection required would exceed the clinically acceptable limit.",true,"ALL","18 Years","65 Years",{"count":65,"type":66},40,"ESTIMATED","INTERVENTIONAL",[69],"NA","This study aims to evaluate postoperative condylar remodeling in patients undergoing bimaxillary orthognathic surgery by comparing two different proximal segment positioning techniques used during mandibular osteotomy. Condylar remodeling will be assessed using preoperative, immediate postoperative, and 6-month postoperative computed tomography (CT) scans together with clinical findings.",[72],"Orthognathic Surgical Procedures",[74,75,76],"Condylar Remodeling","orthognathic surgery","Proximal Segment Position","2026-08-06",{"date":79,"type":80},"2026-08-11","ACTUAL",{"date":82,"type":80},"2026-01-01",{"date":84,"type":66},"2026-12-28",{"name":5,"class":6},1]