Comparison of two screws for maxillary expansion in prepubertal children: a multicenter randomized controlled trial

eone Orthodontics and Implantology0 个研究点目标入组 56 人开始时间: 2016年11月8日最近更新: 2024年1月15日

试验速览

2020 Results article in https://pubmed.ncbi.nlm.nih.gov/33215652/ results (added 23/11/2020) 2021 Results article in https://pubmed.ncbi.nlm.nih.gov/34114608/ (added 14/06/2021) 2024 Results article in https://pubmed.ncbi.nlm.nih.gov/38168740/ (added 04/01/2024)

•1. Children in prepubertal stage (age between 6 and 14 years)
•2. Negative posterior transverse discrepancy of at least 3 mm eligible for maxillary expansion
•2. The first molars should be erupted with a mixed dentition stage in early transitional period or inter-transitional period

•1. Age older than 14 years or younger than 6 years
•2. Deciduous dentition or mixed dentition in the late transitional period or permanent dentition
•3. Maturation stage of cervical vertebrae CS3 or greater
•4. Agenesis of maxillary second premolars
•5. Periodontal disease
•6. Neurologic or systemic disease
•7. Allergy to nickel
•8. Cleft lip and/or palate
•9. Patients irradiated in the neck-head area
•10. Chemo- or immune-therapy in the previous 5 years

发起方

eone Orthodontics and Implantology