[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"unsatisfactory-or-defective-restoration-of-tooth\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:unsatisfactory-or-defective-restoration-of-tooth":27},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":16,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":28,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":36,"lastUpdatePostDateStruct":37,"startDateStruct":40,"completionDateStruct":42,"leadSponsor":44,"locationsCount":5},"100551257","the-performance-of-posterior-partial-coverage-coronal-restorations-luted-with-two-differrent-systems-100551257",false,"NCT06457737","The Performance of Posterior Partial Coverage Coronal Restorations Luted With Two Differrent Systems.","The Performance of Posterior Partial Coverage Coronal Restorations Cemented Using Two Different Luting Systems. A Comparative Clinical Trial.","Inclusion Criteria:\n\n* Consenting participants.\n* Individuals aged 18 years and above with no systemic diseases that will affect their participation.\n* Teeth of healthy periodontium.\n* Teeth to be restored in normal occlusion with natural antagonist and adjacent teeth.\n* Acceptable oral hygiene characterized by no gingivitis, calculus deposit or active carious lesions.\n* Non-vital teeth will be included\n\nExclusion Criteria:\n\n* Heavy occlusal contacts or signs of bruxism.\n* Profound, chronic periodontitis\n* Poor oral hygiene.\n* Sustained dentin hypersensitivity.\n* Systemic disease or severe medical complications or taking anti-inflammatory, analgesic, or psychotropic drugs.",true,"ALL","18 Years",{"count":20,"type":21},70,"ESTIMATED","INTERVENTIONAL",[24],"NA","This study explores an alternative approach using a pre-heated restorative resin composite as a luting material of partial coverage restorations on upper and lower posterior teeth. It will follow a split-mouth design with 60 participants selected based on strict criteria. Assessment at 6 months and 1 year post-delivery utilizes a modified model of USPHS criteria, evaluating retention, color match, marginal discoloration, secondary caries, anatomical form, marginal adaptation, and surface roughness.\n\nThe null hypothesis:\n\nThe use of preheated resin composite for cementing partial coverage restoration will not result in significantly superior clinical performance when compared to that after using dual-cure resin cement.",[27],"Unsatisfactory or Defective Restoration of Tooth",[29,30,31,32,33,34],"Endodontically treated teeth","Partial coverage","Ceramic restorations","Luting systems","Preheated composite","Dual cure adhesive resin cement","RECRUITING","2025-03-13",{"date":38,"type":39},"2025-03-14","ACTUAL",{"date":41,"type":39},"2024-05-01",{"date":43,"type":21},"2026-02-28",{"name":45,"class":46},"King Abdullah University Hospital","OTHER"]