[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"tooyh-discoloration\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:tooyh-discoloration":45},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":14,"eligibilityCriteria":15,"healthyVolunteers":16,"sex":17,"minAge":18,"maxAge":19,"enrollmentInfo":20,"targetDuration":4,"studyType":23,"phases":24,"briefSummary":26,"conditions":27,"keywords":29,"overallStatus":33,"whyStopped":4,"lastUpdateSubmitDate":34,"lastUpdatePostDateStruct":35,"startDateStruct":38,"completionDateStruct":40,"leadSponsor":42,"locationsCount":4},"100638859",false,"NCT07624344","Impact of At-Home Dental Bleaching on Quality of Life Using OHIP-14","Clinical Evaluation of Color Changes (CIELAB),Whiteness Index (WID), and Oral Health-Related Quality of Life (OHIP-14) Following At-home Dental Bleaching: A Prospective Clinical Study","WID-OHIP","Inclusion Criteria:\n\n* Age between 20 and 40 years\n* Healthy gums and periodontal condition\n* No oral diseases\n* No previous dental bleaching treatment\n* No restorations in anterior teeth\n* Ability to attend follow-up visits\n* Willingness to follow the study instructions\n\nExclusion Criteria:\n\n* Smoking\n* Pregnancy\n* Breastfeeding\n* Medical conditions that could affect bleaching treatment\n* Use of medications that could interfere with bleaching treatment\n* Inability to comply with scheduled appointments",true,"ALL","20 Years","40 Years",{"count":21,"type":22},10,"ESTIMATED","INTERVENTIONAL",[25],"NA","This prospective clinical study aims to evaluate the clinical efficacy of an at-home dental bleaching protocol and its impact on oral health-related quality of life using objective color measurements and patient-reported outcomes. Changes in tooth color will be assessed using CIELAB parameters (L\\*, a\\*, b\\*) and the Whiteness Index for Dentistry (WID), while quality of life will be evaluated using the OHIP-14 questionnaire.",[28],"Tooyh Discoloration",[30,31,32],"Dental bleaching At-home bleaching Carbamide peroxide WID OHIP-14","CIELAB","Oral health-related quality of life","NOT_YET_RECRUITING","2026-05-31",{"date":36,"type":37},"2026-06-03","ACTUAL",{"date":39,"type":22},"2026-11-01",{"date":41,"type":22},"2027-07-31",{"name":43,"class":44},"University of Valencia","OTHER",""]