[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100611014":3},{"organization":4,"armGroups":7,"interventions":23,"overallOfficials":11,"centralContacts":35,"locations":11,"responsibleParty":41,"collaborators":11,"id":45,"slug":46,"hasResults":47,"nctId":48,"briefTitle":49,"officialTitle":50,"acronym":11,"eligibilityCriteria":51,"healthyVolunteers":47,"sex":52,"minAge":53,"maxAge":54,"enrollmentInfo":55,"targetDuration":11,"studyType":58,"phases":59,"briefSummary":61,"conditions":62,"keywords":11,"overallStatus":64,"whyStopped":11,"lastUpdateSubmitDate":65,"lastUpdatePostDateStruct":66,"startDateStruct":69,"completionDateStruct":71,"leadSponsor":73,"locationsCount":11},{"fullName":5,"class":6},"October 6 University","OTHER",[8,14,18],{"label":9,"type":10,"description":11,"interventionNames":12},"Photogrammetry-Based Full-Arch Impression","EXPERIMENTAL",null,[13],"Device: Photogrammetry-Based Full-Arch Impression",{"label":15,"type":10,"description":11,"interventionNames":16},"Digital Impression Using Splinted Scan Bodies",[17],"Device: Digital Impression Using Splinted Scan Bodies",{"label":19,"type":20,"description":11,"interventionNames":21},"Conventional Open-Tray Implant Impression","ACTIVE_COMPARATOR",[22],"Procedure: Conventional Open-Tray Implant Impression",[24,28,31],{"type":25,"name":9,"description":26,"armGroupLabels":27,"otherNames":11},"DEVICE","Use of a photogrammetry system to capture the positions of All-on-X implants digitally without physical impression materials. The technique aims to achieve precise passive fit and reduce chairside working time. Measurements of passive fit discrepancy and total procedure time will be recorded",[9],{"type":25,"name":15,"description":29,"armGroupLabels":30,"otherNames":11},"Digital full-arch impression using splinted scan bodies connected with resin to enhance stability. An intraoral scanner captures the splinted assembly for framework fabrication. Passive fit and working time will be evaluated",[15],{"type":32,"name":19,"description":33,"armGroupLabels":34,"otherNames":11},"PROCEDURE","Traditional full-arch open-tray impression using polyether or VPS material with splinted impression copings. This serves as the standard comparator for evaluating passive fit and procedure duration",[19],[36],{"name":37,"role":38,"phone":39,"phoneExt":11,"email":40},"Mohammed Fathy Ghobashy, Bachelor of Dental Surgery","CONTACT","00201099632823","mo97.fathy@gmail.com",{"type":42,"investigatorFullName":43,"investigatorTitle":44,"investigatorAffiliation":5,"oldNameTitle":11,"oldOrganization":11},"PRINCIPAL_INVESTIGATOR","Mohammed Fathy Abdelhamid","Master's Degree Candidate , Prosthodontics Department, October 6 University","100611014","passive-fit-and-time-efficiency-in-all-on-x-implants-protocols-using-photogrammetry-splinted-scan-bodies-and-conventional-impression-technique-100611014",false,"NCT07235072","Passive Fit and Time Efficiency in All On-X Implants Protocols Using Photogrammetry, Splinted Scan Bodies, and Conventional Impression Technique","Comparative Analysis of Passive Fit and Time Efficiency in Allon-X Implants Protocols Using Photogrammetry, Splinted Scan Bodies, and Conventional Impression Technique","Inclusion Criteria:\n\nAdults aged 45-65 years.\n\nFully edentulous or partially edentulous maxilla requiring full-arch rehabilitation.\n\nSufficient maxillary bone volume to support at least four implants according to the All-on-X protocol.\n\nSystemically healthy patients with no contraindications to dental implant surgery (ASA I-II classification).\n\nDemonstrated ability to maintain adequate oral hygiene.\n\nWillingness to participate in the study and comply with follow-up visits and required maintenance protocols.\n\nPatients seeking a fixed, implant-supported prosthesis for the maxilla due to missing teeth and inability to use removable prostheses effectively.\n\nAcceptable radiographic findings with no signs of pathology, infection, or significant anatomical limitations.\n\nExclusion Criteria:\n\nUncontrolled systemic diseases (e.g., uncontrolled diabetes, osteoporosis, immunosuppressive disorders)\n\nHistory of radiation therapy to the head and neck region\n\nActive periodontal disease or untreated caries\n\nMaxillary cysts, tumors, or pathologies\n\nPoor oral hygiene or inability to maintain postoperative care\n\nInsufficient bone volume for All-on-X without extensive grafting\n\nMaxillary sinus pathology or oroantral fistula\n\nPsychiatric illness or cognitive impairment affecting compliance\n\nBruxism or parafunctional habits\n\nPregnant or lactating women\n\nHistory of implant failure or titanium allergy\n\nUse of bisphosphonates or antiresorptive medications\n\nHeavy smoking (\\>10 cigarettes\u002Fday)\n\nInability or unwillingness to attend follow-up visits\n\nDiagnosed or symptomatic temporomandibular joint disorders (pain, clicking, locking, limited opening)","ALL","45 Years","65 Years",{"count":56,"type":57},14,"ESTIMATED","INTERVENTIONAL",[60],"NA","compare the passive fit of three impression techniques: photogrammetry, intraoral digital scanning with splinted scan bodies, and the conventional open-tray impression technique, within the context of the All-on-X treatment concept. This comparison is expected to provide valuable clinical evidence to support clinicians in making informed decisions when considering the adoption of digital alternatives to conventional methods.",[63],"Passive Fit of Full-arch Implant Prostheses","NOT_YET_RECRUITING","2025-11-19",{"date":67,"type":68},"2025-11-24","ACTUAL",{"date":70,"type":57},"2026-03-01",{"date":72,"type":57},"2026-10-01",{"name":5,"class":6}]