[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100488246":3},{"organization":4,"outcomesModule":7,"designInfo":18,"detailedDescription":21,"studyPopulation":22,"armGroups":23,"interventions":39,"overallOfficials":53,"centralContacts":17,"locations":62,"responsibleParty":92,"collaborators":17,"id":94,"slug":17,"hasResults":95,"nctId":96,"briefTitle":97,"officialTitle":97,"acronym":17,"eligibilityCriteria":98,"healthyVolunteers":95,"sex":99,"minAge":100,"maxAge":17,"enrollmentInfo":101,"targetDuration":17,"studyType":104,"phases":17,"briefSummary":105,"conditions":106,"keywords":110,"overallStatus":65,"whyStopped":17,"lastUpdateSubmitDate":116,"lastUpdatePostDateStruct":117,"startDateStruct":120,"completionDateStruct":122,"leadSponsor":124,"locationsCount":125},{"fullName":5,"class":6},"Implantology Institute","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":17},[9],{"measure":10,"description":11,"timeFrame":12},"Wear of teeth and materials of restorations","Measure in different groups occlusal tooth wear from insertion (baseline) to 4, 8 and 12 months post-insertion\n\nScanned images will be compared using a metrology software to determine maximum vertical wear of teeth and root mean square wear.","at least 12 months follow-up",[14],{"measure":15,"description":16,"timeFrame":12},"Wear of different antagonists","Measure occlusal tooth wear of antagonists from insertion (baseline) to 4, 8 and 12 months post-insertion\n\nScanned images will be compared using a metrology software to determine maximum vertical wear of teeth and root mean square wear.",null,{"allocation":17,"interventionModel":17,"interventionModelDescription":17,"primaryPurpose":17,"observationalModel":19,"timePerspective":20,"maskingInfo":17},"CASE_CONTROL","PROSPECTIVE","It will be our intention to perform a prospective study and proof-of-concept to assess wear in natural dentition, Full arch implant supported rehabilitation (FAISR) and opposing arches. Wear according to type of rehabilitation and of opposing arch, technical complications, parafunction and number of placed implants will be assessed.\n\nIntra-oral digital acquisition will be performed at pre-defined intervals. Changes over time will be assessed through a previously described digital superimposition methodology volumetric changes determined.\n\nPatients will be scanned using an intraoral dental scanner (T0)\n\nPatients will be recalled at every 4-months (T1), 8-months (T2) and 12-months (T3) visits for re-scanning and from there every 6-months\n\nScanned images will be compared using a metrology software to determine maximum vertical wear of teeth and root mean square wear.","Control Group: Healthy Patients, Dentate\n\nExperimental Groups : Patients from a dental office that did a full-mouth (maxilla or mandible) implant-supported rehabilitation and made the final rehabilitation in either monolithic zirconia or hybrid-acrylic material",[24,29,34],{"label":25,"type":17,"description":26,"interventionNames":27},"Dentate Patients","Patients with natural dentition - maxilla and mandible",[28],"Behavioral: Dentate Patients",{"label":30,"type":17,"description":31,"interventionNames":32},"Zirconia","Patients that have a full-mouth (maxilla or mandible) dental implant supported rehabilitation restored with monolithic zirconia biomaterial",[33],"Device: Monolithic Zirconia",{"label":35,"type":17,"description":36,"interventionNames":37},"Hybrid Acrylic","Patients that have a full-mouth (maxilla or mandible) dental implant supported rehabilitation restored with acrylic material (hybrid acrylic)",[38],"Device: Hybrid-Acrylic",[40,45,49],{"type":41,"name":42,"description":43,"armGroupLabels":44,"otherNames":17},"DEVICE","Monolithic Zirconia","Maxillary or\u002Fand mandibular screw retained zirconia monolithic prostheses supported by at least 4 implants",[30],{"type":41,"name":46,"description":47,"armGroupLabels":48,"otherNames":17},"Hybrid-Acrylic","Maxillary or\u002Fand mandibular screw retained hybrid prostheses supported by at least 4 implants;",[35],{"type":50,"name":25,"description":51,"armGroupLabels":52,"otherNames":17},"BEHAVIORAL","Dentate Patients with natural dentition or tooth supported crowns",[25],[54,57,59],{"name":55,"affiliation":5,"role":56},"João M Caramês, Phd","STUDY_DIRECTOR",{"name":58,"affiliation":5,"role":56},"Duarte N Marques, Phd",{"name":60,"affiliation":5,"role":61},"Artur F Simões, Msc","PRINCIPAL_INVESTIGATOR",[63],{"facility":64,"status":65,"city":66,"state":17,"zip":67,"country":68,"countryCode":69,"cosmosGeoPoint":70,"geoPoint":75,"contacts":76},"Artur Simões","RECRUITING","Lisbon","1070-061","Portugal","PT",{"type":71,"coordinates":72},"Point",[73,74],-9.1498,38.72509,{"lat":74,"lon":73},[77,81,84,86,88,90],{"name":64,"role":78,"phone":79,"phoneExt":17,"email":80},"CONTACT","217210980","artursimoes@institutoimplantologia.com",{"name":82,"role":78,"phone":83,"phoneExt":17,"email":17},"Marta Nuncio","21 721 0980",{"name":85,"role":61,"phone":17,"phoneExt":17,"email":17},"Artur Simões, Msc",{"name":87,"role":61,"phone":17,"phoneExt":17,"email":17},"João Caramês, Phd",{"name":89,"role":61,"phone":17,"phoneExt":17,"email":17},"Duarte Marques, Phd",{"name":91,"role":61,"phone":17,"phoneExt":17,"email":17},"Ricardo Pinto, Msc",{"type":93,"investigatorFullName":17,"investigatorTitle":17,"investigatorAffiliation":17,"oldNameTitle":17,"oldOrganization":17},"SPONSOR","100488246",false,"NCT05637619","Natural Dentition, Prosthesis and Antagonist Wear 3D Analysis","Dentate Group :\n\nInclusion criteria\n\n* fully dentate (with at least 10 teeth ) and do not have any tooth mobility;\n* at least 12months follow up\n\nExclusion criteria\n\n\\- missing more than 4 teeth, extensive caries, bonded orthodontic brackets\n\nEdentulous Group:\n\nInclusion Criteria:\n\n* Maxilla or Mandible Implant full-mouth implant restoration\n* Monolithic ceramic or hybrid-acrylic restoration\n* at least12 months Follow-up\n\nExclusion Criteria:\n\n* Heavy bruxists\n* Patients that changed the full arch rehabilitation during the study (ex: framework fracture or lab reparation)","ALL","18 Years",{"count":102,"type":103},36,"ESTIMATED","OBSERVATIONAL","Wear resistance is one of the most important physical properties of teeth, and wear resistance of zirconia against artificial acrylic, enamel and composite resin denture teeth has not been clearly established.\n\nImplant-supported dental restorations present a higher threshold for occlusion perception when compared to natural teeth, which can occlusal overload mechanisms or lead to wear of rehabilitation materials or the antagonist arch.\n\nIn clinical conditions, however, many other factors influence the complex interaction between dental enamel and opposing substrates: patient-related factors such as dietary habits, dysfunctional occlusion, masticatory forces, and bruxism contribute to accelerated enamel loss of antagonist teeth.",[107,108,109],"Wear, Tooth","Dental Prosthesis Complication","Wear, Occlusal",[111,112,113,114,115,30,35],"Tooth wear","Full arch Implant","3D scanner","Prosthesis","Screw retained","2024-07-25",{"date":118,"type":119},"2024-07-26","ACTUAL",{"date":121,"type":119},"2022-01-01",{"date":123,"type":103},"2024-12",{"name":5,"class":6},1]