[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"zirconia-crowns\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:zirconia-crowns":30},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,3,0,[8,51,78],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":18,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":31,"overallStatus":38,"whyStopped":4,"lastUpdateSubmitDate":39,"lastUpdatePostDateStruct":40,"startDateStruct":43,"completionDateStruct":45,"leadSponsor":47,"locationsCount":50},"100614226","digital-occlusal-analysis-and-bite-force-evaluation-of-primary-molars-restored-with-zirconia-crowns-using-t-scan-100614226",false,"NCT07276841","Digital Occlusal Analysis and Bite Force Evaluation of Primary Molars Restored With Zirconia Crowns Using T-Scan","Digital Occlusal Analysis and Bite Force Evaluation of Pulp Treated Primary Molars Restored With Zirconia Crowns Using T-Scan: An Experimental Before-and-After Study","Inclusion Criteria:\n\n* Children aged 6 to 9 years.\n* Both boys and girls can participate.\n* A pulp-treated primary molar (pulpotomy) that is healthy and shows no pain, no swelling, no mobility, and no radiographic problems (such as internal resorption or infection).\n* The lower first permanent molar must be erupted.\n* The child is cooperative during dental treatment (positive behavior on the Frankl scale).\n* The child has no missing teeth.\n* The child has a normal bite (normal overjet and overbite).\n* The child is generally healthy with no systemic diseases, to ensure they can attend follow-ups.\n\nExclusion Criteria:\n\n* Children with medical conditions or who are uncooperative during dental care.\n* Children with parafunctional habits, such as teeth grinding (bruxism), thumb-sucking, or other habits that may affect bite-force measurements.\n* Teeth that are close to falling out, have severe root resorption, or need extraction.\n* Teeth with deep cavities below the gum line that prevent proper crown placement.\n* Teeth that are mobile (Miller's Grade 2 or higher).\n* Teeth that have had previous pulp therapy other than the included pulpotomy.\n* Children who are unable to attend follow-up visits or whose parents do not agree to participate.","ALL","6 Years","9 Years",{"count":20,"type":21},11,"ESTIMATED","INTERVENTIONAL",[24],"NA","The goal of this observational study is to evaluate the adaptation of occlusion and bite force after zirconia crown restoration in children with pulp-treated primary molars. The main questions it aims to answer are:\n\nHow does occlusion adapt after placement of zirconia crowns?\n\nDoes bite force change following crown restoration?\n\nParticipants will:\n\nUndergo routine pulp treatment and restoration of primary molars with zirconia crowns.\n\nHave bite force and occlusal contacts measured using the T-Scan digital occlusal analysis system before and after crown placement.",[27,28,29,30],"Dental Occlusion","Primary Teeth","Pulp-treated Primary Molars","Zirconia Crowns",[32,33,34,35,36,28,37],"Occlusion","Bite Force","Pediatric Dentistry","Zirconia Crown","T-Scan","Restorative Dentistry","NOT_YET_RECRUITING","2025-11-30",{"date":41,"type":42},"2025-12-11","ACTUAL",{"date":44,"type":21},"2026-01",{"date":46,"type":21},"2026-03",{"name":48,"class":49},"Cairo University","OTHER",1,{"id":52,"slug":53,"hasResults":11,"nctId":54,"briefTitle":55,"officialTitle":56,"acronym":4,"eligibilityCriteria":57,"healthyVolunteers":58,"sex":16,"minAge":59,"maxAge":60,"enrollmentInfo":61,"targetDuration":4,"studyType":22,"phases":63,"briefSummary":64,"conditions":65,"keywords":66,"overallStatus":38,"whyStopped":4,"lastUpdateSubmitDate":68,"lastUpdatePostDateStruct":69,"startDateStruct":71,"completionDateStruct":73,"leadSponsor":75,"locationsCount":77},"100603676","we-will-assess-zirconia-crown-restoring-endodontically-treated-posterior-teeth-with-two-finish-line-designs-and-two-occlusal-reduction-schemes-100603676","NCT07139613","We Will Assess Zirconia Crown Restoring Endodontically Treated Posterior Teeth With Two Finish Line Designs and Two Occlusal Reduction Schemes","Evaluation of Zirconia Crown Restoring Endodontically Treated Posterior Teeth With Two Finish Line Designs and Two Occlusal Reduction Schemes(a Randomized Clinical Trial)","Inclusion Criteria:\n\n* patients from both genders.\n* age range 18-65 years.\n* patients with endodontically treated posterior teeth.\n\nExclusion Criteria:\n\n* vital teeth\n* anterior teeth.\n* edentulous patient.\n* patient with history of significant systemic diseases.",true,"18 Years","65 Years",{"count":62,"type":21},66,[24],"Endodontically treated posterior teeth will be restored with zirconia crowns with two finish line designs(feather edge and rounded shoulder) and two occlusal reduction schemes(flat and planer).The crowns were designed with exocad software program .After cementation clinical performance in terms of marginal adaptation ,marginal discoloration, fracture and secondary caries was evaluated at 3 subsequent follow-up visits every 3months for 1 year.",[30],[67],"Zirconia crowns assessment with two finish line design and two occlusal reduction schemes","2025-08-22",{"date":70,"type":42},"2025-08-24",{"date":72,"type":21},"2025-08",{"date":74,"type":21},"2026-10",{"name":76,"class":49},"Armed Forces Institute of Dentistry, Pakistan",2,{"id":79,"slug":80,"hasResults":11,"nctId":81,"briefTitle":82,"officialTitle":83,"acronym":84,"eligibilityCriteria":85,"healthyVolunteers":58,"sex":16,"minAge":59,"maxAge":4,"enrollmentInfo":86,"targetDuration":4,"studyType":22,"phases":88,"briefSummary":89,"conditions":90,"keywords":4,"overallStatus":38,"whyStopped":4,"lastUpdateSubmitDate":92,"lastUpdatePostDateStruct":93,"startDateStruct":95,"completionDateStruct":96,"leadSponsor":98,"locationsCount":50},"100603917","proximal-contact-tightness-of-zirconia-crowns-digital-intraoral-scanning-vs-conventional-impressions-100603917","NCT07142746","Proximal Contact Tightness of Zirconia Crowns: Digital Intraoral Scanning vs Conventional Impressions","Comparative Evaluation of Proximal Contact Tightness in Zirconia Crowns: Direct Digital Intraoral Scanning vs. Conventional Impressions Fabrication Method, A Randomized Control Trial.","PCT","Inclusion Criteria:\n\n* Patients seeking definitive full coverage ceramic crowns for molars.\n* Patients in age group of 18- 47 years.\n* Patients with healthy adjacent and opposing teeth.\n* Patients with healthy periodontium.\n\nExclusion Criteria:\n\n* Patients with grade 1 mobility in adjacent or opposing teeth.\n* Patients with diastema in posterior teeth.\n* Patients having severe malocclusion associated with traumatic occlusion.\n* Patients with temporomandibular joint disorders.",{"count":87,"type":21},75,[24],"We will be comparing the proximal contacts of zirconia crowns and adjacent natural teeth in two groups. One receiving crowns fabricated via digital intra oral scanning means. And the other group recieving crowns fabricated via the dental impression method using trays and impression material.",[91,30],"Proximal Contacts","2025-08-19",{"date":94,"type":42},"2025-08-27",{"date":72,"type":21},{"date":97,"type":21},"2026-07",{"name":76,"class":49}]