Hawley retainer的技工操作步驟 (請點選進入原文區)
Fabrication of the Appliance
Step 1. Designing the Appliance
Step 2. Bending the Labial Bow
Step 3. Bending the Preformed Ball Clasps
Step 4. Bending Two C-clasps
Step 5. Bending the Habit Reminder
Step 6. Preparation of the Working Model and Wire Stabilization
Step 7. Application of the Acrylic Resin
环绕式保持器(wraparound retainer)的制作步骤
(from: http://tw.myblog.yahoo.com/orthodontist-yang/article?mid=1592)