[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100603253":3},{"organization":4,"armGroups":7,"interventions":27,"overallOfficials":34,"centralContacts":39,"locations":48,"responsibleParty":65,"collaborators":33,"id":69,"slug":70,"hasResults":71,"nctId":72,"briefTitle":73,"officialTitle":74,"acronym":33,"eligibilityCriteria":75,"healthyVolunteers":76,"sex":77,"minAge":78,"maxAge":79,"enrollmentInfo":80,"targetDuration":33,"studyType":83,"phases":84,"briefSummary":86,"conditions":87,"keywords":91,"overallStatus":51,"whyStopped":33,"lastUpdateSubmitDate":95,"lastUpdatePostDateStruct":96,"startDateStruct":99,"completionDateStruct":101,"leadSponsor":103,"locationsCount":104},{"fullName":5,"class":6},"Ankara Yildirim Beyazıt University","OTHER",[8,14,19,23],{"label":9,"type":10,"description":11,"interventionNames":12},"Maxillary First Primary Molar","EXPERIMENTAL","A preformed metal crown will be placed and cemented on the carious maxillary first primary molar using the Hall Technique, without any tooth preparation or administration of local anesthesia.",[13],"Procedure: Hall Technique",{"label":15,"type":16,"description":17,"interventionNames":18},"Maxillary Second Primary Molar","ACTIVE_COMPARATOR","A preformed metal crown will be placed and cemented on the carious maxillary second primary molar using the Hall Technique, without any tooth preparation or administration of local anesthesia.",[13],{"label":20,"type":16,"description":21,"interventionNames":22},"Mandibular First Primary Molar","A preformed metal crown will be placed and cemented on the carious mandibular first primary molar using the Hall Technique, without any tooth preparation or administration of local anesthesia.",[13],{"label":24,"type":16,"description":25,"interventionNames":26},"Mandibular Second Primary Molar","A preformed metal crown will be placed and cemented on the carious mandibular second primary molar using the Hall Technique, without any tooth preparation or administration of local anesthesia.",[13],[28],{"type":29,"name":30,"description":31,"armGroupLabels":32,"otherNames":33},"PROCEDURE","Hall Technique","Procedure: Hall Technique A preformed stainless-steel crown will be placed on a primary molar using the Hall Technique. This approach does not require local anesthesia, caries removal, or tooth preparation.\n\nDigital Scan and Bite Registration Schedule:\n\n* T0 (Baseline): Immediately before crown placement\n* T1 (Immediate): Immediately after crown placement\n* T2 (Two Weeks): Two weeks after crown placement\n* T3 (One Month): One month after crown placement At each time point (T0-T3), digital scans of both the upper and lower arches will be obtained, and a bite registration will be recorded. These records will be used to generate three-dimensional digital models, which will be analyzed to assess occlusal relationships and monitor changes over time.",[20,24,9,15],null,[35],{"name":36,"affiliation":37,"role":38},"Ayşe I. Cihan, Professor","Ankara Yıldırım Beyazit University Faculty of Dentistry","STUDY_CHAIR",[40,44],{"name":36,"role":41,"phone":42,"phoneExt":33,"email":43},"CONTACT","+905325095961","isilcihan@yahoo.com",{"name":45,"role":41,"phone":46,"phoneExt":33,"email":47},"Eylül Ü. Aykan","+905342820608","eylul.11235@gmail.com",[49],{"facility":50,"status":51,"city":52,"state":53,"zip":33,"country":54,"countryCode":33,"cosmosGeoPoint":55,"geoPoint":60,"contacts":61},"Ankara Yıldırım Beyazıt University Faculty of Dentistry","RECRUITING","Ankara","Keçiören","Turkey (Türkiye)",{"type":56,"coordinates":57},"Point",[58,59],32.85427,39.91987,{"lat":59,"lon":58},[62],{"name":63,"role":41,"phone":64,"phoneExt":33,"email":43},"Ayşe Işıl Cihan, Professor","+90 532 509 59 61",{"type":66,"investigatorFullName":67,"investigatorTitle":68,"investigatorAffiliation":5,"oldNameTitle":33,"oldOrganization":33},"PRINCIPAL_INVESTIGATOR","AYŞE IŞIL CİHAN","Professor","100603253","occlusal-impact-of-hall-crowns-in-primary-molars-100603253",false,"NCT07134114","Occlusal Impact of Hall Crowns in Primary Molars","Comparative Evaluation of Occlusal Changes Following Hall Technique Crowns in Different Primary Molar Groups: A Randomized Controlled Clinical Trial","Inclusion Criteria:\n\nInclusion Criteria for Participants\n\n* No skeletal or dental anomalies,\n* ASA (American Society of Anesthesiologists) physical status classification of I or II ,\n* Frankl Behavior Rating Scale score of 3 or 4,\n* In the mixed dentition stage,\n* Fully erupted permanent first molars in occlusal contact at maximum intercuspation\n* No acute dental pain or need for emergency treatment,\n* Presence of at least two primary molars with carious lesions scored as 3, 4, or 5 according to the ICDAS (International Caries Detection and Assessment System),\n* Presence of an antagonist tooth for the molar planned to receive Hall Technique,\n* Provision of verbal and written informed consent by the participant and legal guardian after reading or listening to the consent form and fully understanding its content.\n\nInclusion Criteria for Tooth\n\nBased on Clinical Examination:\n\n* No history of prolonged pain in response to thermal or chemical stimuli, or spontaneous pain suggestive of irreversible pulpitis,\n* No sensitivity to percussion or palpation,\n* Absence of both pathological and physiological mobility,\n* No signs of swelling, fistula, or discoloration,\n* Sufficient remaining tooth structure to retain a preformed stainless steel crown.\n\nBased on Radiographic Examination:\n\n* Radiolucent lesion associated with dental caries located within the outer one-third to two-thirds of the dentin, with a visible band of normal dentin between the lesion and the pulp,\n* At least two-thirds of root length present,\n* No signs of internal or external pathological or physiological root resorption,\n* Intact lamina dura and normal periodontal ligament space,\n* No periradicular bone loss surrounding the roots,\n* No calcified masses in the pulp chamber.\n\nExclusion Criteria:\n\n* Individuals with serious systemic or psychological conditions\n* Participants who fail to attend follow-up appointments\n* Those who exhibit excessive fear or anxiety reactions and are unable to cooperate during treatment",true,"ALL","7 Years","10 Years",{"count":81,"type":82},60,"ESTIMATED","INTERVENTIONAL",[85],"NA","Hall Technique is a non-invasive restorative approach for managing carious primary molars, increasingly used in pediatric dentistry due to its simplicity and patient tolerance. This study aims to evaluate and compare the occlusal changes that occur following Hall crown placement on different primary molar groups (maxillary first molar, maxillary second molar, mandibular first molar, mandibular second molar) using digital model analysis.",[88,89,90],"Dental Caries","Dental Occlusion","Pediatric Dentistry",[92,93,94],"Hall technique","Occlusal adjustment","Intraoral scanning","2025-11-19",{"date":97,"type":98},"2025-11-20","ACTUAL",{"date":100,"type":98},"2025-09-15",{"date":102,"type":82},"2026-12-15",{"name":5,"class":6},1]