[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"class-ii-composite-restorations\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:class-ii-composite-restorations":26},{"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":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":27,"overallStatus":29,"whyStopped":4,"lastUpdateSubmitDate":30,"lastUpdatePostDateStruct":31,"startDateStruct":34,"completionDateStruct":36,"leadSponsor":38,"locationsCount":5},"100659275","ni-ti-shape-memory-versus-conventional-sectional-matrices-systems-in-class-ii-composite-restorations-a-randomized-clinical-trial-100659275",false,"NCT07862894","Ni-Ti Shape-Memory Versus Conventional Sectional Matrices Systems in Class II Composite Restorations: A Randomized Clinical Trial","Clinical Performance of Ni-Ti Shape-Memory Versus Conventional Sectional Matrices Systems in Class II Composite Restorations: A Randomized Clinical Trial","Inclusion Criteria:\n\n* Adult patients (≥18 years) requiring Class II composite restorations in posterior teeth.\n\n  * Good oral hygiene and periodontal health.\n  * No systemic conditions affecting oral health.\n\nExclusion Criteria:\n\n* Patients with bruxism or parafunctional habits.\n\n  * Severe malocclusion interfering with proximal contacts.\n  * Allergy to dental materials used in the study.","ALL","18 Years",{"count":19,"type":20},50,"ESTIMATED","INTERVENTIONAL",[23],"NA","The aim of this randomized controlled clinical trial is to evaluate and compare the clinical performance of a Ni-Ti shape-memory sectional matrix system versus a conventional sectional matrix system in Class II direct composite restorations.\n\nThe study will specifically assess the following clinical parameters:\n\n1. Proximal contact tightness\n2. Proximal contour quality\n3. Fracture and retention of the restoration\n4. Marginal adaptation These clinical parameters will be evaluated immediately after restoration placement and after a 1-year follow-up using standardized clinical assessment methods, including the FDI criteria, dental floss evaluation, and radiographic assessment, where applicable.\n\nFracture and retention, and marginal adaptation will be assessed according to predefined scoring criteria.",[26],"Class II Composite Restorations",[28],"Class II restorations; sectional matrix; Ni-Ti matrix; proximal contact tightness; proximal contour; randomized clinical trial","NOT_YET_RECRUITING","2026-10-02",{"date":32,"type":33},"2026-10-07","ACTUAL",{"date":35,"type":20},"2026-11-01",{"date":37,"type":20},"2028-01-01",{"name":39,"class":40},"Cairo University","OTHER"]