The Effectiveness of Combined Design Nance/Transpalatal Arch Appliance in Maintaining Arch Dimensions After Premature Extraction of Primary Molars
Launched by ALEXANDRIA UNIVERSITY · Aug 22, 2022
Trial Information
Current as of June 28, 2025
Completed
Keywords
ClinConnect Summary
In this randomized controlled clinical trial, 30 healthy children, 8-9 years of age with premature extraction of bilateral maxillary primary molars will be selected. Children will be randomly allocated into two equal groups of 15 children each according to the type of the appliance that will be used. Group I will receive a a Nance SM, and Group II a combined N-TPA appliance . Panoramic X-rays and study casts will be made, and baseline measurements will be recorded including arch circumference, intermolar width and arch depth. The appliances will be fabricated and cemented intra-orally.
The...
Gender
ALL
Eligibility criteria
- Inclusion Criteria:
- • Fully erupted maxillary permanent first molars.
- • Angle's class I occlusion.(31)
- • Adequate space for premolar eruption according to Moyer's arch length analysis.(31)
- • Fair to good oral hygiene according to Silness and Loe plaque index.(32)
- • No history of allergy to polymethyl methacrylate.
- Exclusion Criteria:
- • Children with congenitally absent permanent successors.
- • Children with successors not covered by bone with 2/3 of the root formed.(33)
About Alexandria University
Alexandria University, a leading academic institution in Egypt, is dedicated to advancing medical research and improving healthcare outcomes through innovative clinical trials. With a strong emphasis on collaboration and interdisciplinary approaches, the university leverages its extensive resources and expertise to conduct rigorous studies that address pressing health challenges. By fostering partnerships with healthcare professionals, industry leaders, and regulatory bodies, Alexandria University aims to contribute to the global body of medical knowledge and enhance the quality of patient care through evidence-based findings.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Alexandria, , Egypt
Patients applied
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported
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