Feature:1. STRUCTURE: Integral structure, prevent falling, cross trough base, reliable bond strength. Each hook comes with a crimpable design that offers a secure and reliable hold on the tooth, promoting effective tooth correction.2. FIXED: The dental lingual buttons remain fixed, and the connection position and Angle can be adjusted freely to meet the individual needs of each patient.3. EASY TO USE: Attached to braces, used to attach rubber bands or other appendages to help teeth correction. And they prevents the teeth from closing together.4. CONVENIENT: Comes in 10pcs, providing enough for multiple treatments or a replacement for damaged or lost hooks. Easy to install and remove using standard dental pliers for simple and effective use.5. MATERIAL: These lingual tongue buttons are made from sturdy stainless steel material for durability and longevity, not easy to deform and break.Specification:Item Type: Dental Lingual ButtonMaterial: Stainless steelQuantity: 5pcs left tongue hooks and 5pcs right tongue hooks.Package List:10 x Dental Lingual Button