[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100656830":3},{"organization":4,"outcomesModule":7,"designInfo":21,"detailedDescription":30,"studyPopulation":20,"armGroups":31,"interventions":43,"overallOfficials":59,"centralContacts":67,"locations":72,"responsibleParty":88,"collaborators":20,"id":91,"slug":92,"hasResults":93,"nctId":94,"briefTitle":95,"officialTitle":96,"acronym":20,"eligibilityCriteria":97,"healthyVolunteers":93,"sex":98,"minAge":99,"maxAge":100,"enrollmentInfo":101,"targetDuration":20,"studyType":104,"phases":105,"briefSummary":107,"conditions":108,"keywords":110,"overallStatus":114,"whyStopped":20,"lastUpdateSubmitDate":115,"lastUpdatePostDateStruct":116,"startDateStruct":119,"completionDateStruct":121,"leadSponsor":123,"locationsCount":124},{"fullName":5,"class":6},"Watim Medical & Dental College","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":20},[9],{"measure":10,"description":11,"timeFrame":12},"Adequate retention of maxillary denture","Kapur index score (0 nil, 1 poor, 2 fair, 3 good) assessed by a blinded examiner. A score of 2 or 3 is adequate and 0 or 1 is inadequate.","6 weeks after denture insertion",[14,17],{"measure":15,"description":16,"timeFrame":12},"Adequate retention of mandibular denture","Kapur index score assessed the same way as the maxillary denture.",{"measure":18,"description":19,"timeFrame":12},"Patient satisfaction","5-item Likert questionnaire covering retention, comfort, mastication, phonetics, and overall satisfaction, with a total score of 5 to 25. A score of 16 or above counts as satisfied.",null,{"allocation":22,"interventionModel":23,"interventionModelDescription":20,"primaryPurpose":24,"observationalModel":20,"timePerspective":20,"maskingInfo":25},"RANDOMIZED","PARALLEL","TREATMENT",{"masking":26,"maskingDescription":27,"whoMasked":28},"SINGLE","The six-week retention assessment is done by an independent examiner blinded to group allocation, and the questionnaire is given by a person not involved in denture fabrication. The operator and the participants are not blinded.",[29],"OUTCOMES_ASSESSOR","In the open mouth group, border molding and the wash impression are made with the patient's mouth open and no occlusal contact. In the closed mouth group, occlusal rims are attached to the custom trays at a predetermined occlusal vertical dimension, and the impression is made while the patient closes and performs functional movements. Jaw relations, try-in, and insertion follow the same protocol for both groups. Retention is scored separately for the maxillary and mandibular dentures, with a score of 2 or 3 counted as adequate. Satisfaction scores range from 5 to 25, and a score of 16 or above counts as satisfied.",[32,38],{"label":33,"type":34,"description":35,"interventionNames":36},"Group A: Open Mouth Technique","ACTIVE_COMPARATOR","Final impressions made in custom trays with sectional border molding using low fusing impression compound and a zinc oxide eugenol wash, with the mouth open and no occlusal contact.",[37],"Procedure: Open mouth impression technique",{"label":39,"type":34,"description":40,"interventionNames":41},"Group B: Closed Mouth Technique","Final impressions made in custom trays with attached occlusal rims set to a predetermined vertical dimension. Border molding and the wash impression are made while the patient closes into occlusion and performs functional movements.",[42],"Procedure: Closed mouth impression technique",[44,52],{"type":45,"name":46,"description":47,"armGroupLabels":48,"otherNames":49},"PROCEDURE","Open mouth impression technique","Secondary impression of the edentulous arch made in a custom acrylic tray. Border molding is done in sections with low fusing impression compound, followed by a zinc oxide eugenol wash impression. The clinician manipulates the tissues and the patient performs functional movements, with the mouth open and no occlusal contact. All steps are done by a single trained operator using the same materials and laboratory as the comparison group.",[33],[50,51],"Open mouth functional impression","Conventional border molded impression",{"type":45,"name":53,"description":54,"armGroupLabels":55,"otherNames":56},"Closed mouth impression technique","Secondary impression made in custom trays with occlusal rims attached and adjusted to a predetermined occlusal vertical dimension. Maxillary and mandibular trays are inserted together. Border molding with low fusing impression compound and a zinc oxide eugenol wash impression are made while the patient closes into occlusion and performs functional movements, recording the denture bearing areas under simulated functional load. All steps are done by a single trained operator using the same materials and laboratory as the comparison group.",[39],[57,58],"Closed mouth functional impression","Functional impression under occlusal loading",[60,64],{"name":61,"affiliation":62,"role":63},"Fatima Shakeel, BDS","Watim Medical and Dental College","PRINCIPAL_INVESTIGATOR",{"name":65,"affiliation":62,"role":66},"Zarah Afreen, BDS, FCPS","STUDY_DIRECTOR",[68],{"name":61,"role":69,"phone":70,"phoneExt":20,"email":71},"CONTACT","+92 335 8416673","fatimasmir25@gmail.com",[73],{"facility":74,"status":20,"city":75,"state":76,"zip":77,"country":78,"countryCode":79,"cosmosGeoPoint":80,"geoPoint":85,"contacts":86},"Department of Prosthodontics, Watim Medical and Dental College, Rawat, Rawalpindi, Punjab, Pakistan","Rawalpindi","Punjab Province","46000","Pakistan","PK",{"type":81,"coordinates":82},"Point",[83,84],73.0479,33.59733,{"lat":84,"lon":83},[87],{"name":61,"role":69,"phone":70,"phoneExt":20,"email":71},{"type":63,"investigatorFullName":89,"investigatorTitle":90,"investigatorAffiliation":5,"oldNameTitle":20,"oldOrganization":20},"Dr. Fatima Shakeel","Postgraduate Resident, Department of Prosthodontics","100656830","comparison-of-open-mouth-and-closed-mouth-impression-techniques-for-complete-dentures-100656830",false,"NCT07832149","Comparison of Open-Mouth and Closed-Mouth Impression Techniques for Complete Dentures","Comparison of Open Mouth Vs Closed Mouth Edentulous Impression Technique: A Hospital Based Study","Inclusion Criteria:\n\n* Adults aged 18 to 70 years\n* Completely edentulous in both maxilla and mandible for at least six months, confirmed by clinical examination and orthopantomogram\n* Well-formed ridges, ACP classification Class I or Class II\n\nExclusion Criteria:\n\n* Flabby or hypermobile ridges\n* Atrophic ridges\n* Ridges with bony exostosis\n* Active oral pathology\n* History of radiotherapy to head and neck\n* Uncontrolled systemic disease\n* Neuromuscular or neurological disorders","ALL","18 Years","70 Years",{"count":102,"type":103},88,"ESTIMATED","INTERVENTIONAL",[106],"NA","This randomized controlled trial compares two final impression techniques for complete dentures, the open mouth technique and the closed mouth technique. Completely edentulous adults with well-formed ridges will be randomly assigned 1:1 to one of the two techniques. All dentures will be made by a single operator using the same materials and laboratory. Six weeks after insertion, an examiner blinded to group allocation will assess denture retention using the Kapur index, and patient satisfaction will be recorded using a 5-item Likert questionnaire.",[109],"Edentulism",[111,46,53,112,113],"Complete denture","Denture retention","Kapur index","NOT_YET_RECRUITING","2026-09-19",{"date":117,"type":118},"2026-09-23","ACTUAL",{"date":120,"type":103},"2027-03",{"date":122,"type":103},"2027-06",{"name":5,"class":6},1]