A two-year comparative assessment of retention of arch width increases between modified vacuum-formed and Hawley retainers: A multi-center randomized clinical trial

• Main Authors: Ashari, Asma, Nik Mustapha, Nik Mukhriz, Yuen, Jonathan Jun Xian, Saw, Zhi Kuan, Lau, May Nak, Xian, Lew, Syed Mohamed, Alizae Marny Fadzlin, Megat Abdul Wahab, Rohaya, Yeoh, Chiew Kit, Deva Tata, Malathi, Sinnasamy, Sindhu
• Format: Article
• Published: Springer 2022
• Subjects: R Medicine
• Online Access: http://eprints.um.edu.my/41337/
• Institution: Universiti Malaya

To compare the clinical effectiveness of Hawley retainers (HRs) and modified vacuum-formed retainers (mVFRs) with palatal coverage in maintaining transverse expansion throughout a 24-month retention period and to assess the subjects' perception toward the retainers. Materials and methods The tr...