Stage 1 braces: soft hardness. Period of use: approximately 1 month. Function: Designed for initial adaptation to braces and primary orthodontic alignment. Stage 2 braces: firm hardness. Period of use: approximately 2 to 3 months. Function: Supports continued adaptation to orthodontic treatment. Stage 3 braces: rigid hardness. Period of use: approximately 3 to 6 months. Function: Enhances orthodontic support for advanced alignment stages. Features: Three-stage orthodontic system with varying levels of firmness for progressive correction. Elastic and flexible material for comfort and fit. Suitable for use during different phases of orthodontic adjustment. Easy to carry and use as needed. Wearing instructions: Step 1: Hold the brace with the bottom slightly downward and position the top toward the tongue. Step 2: Gently insert the brace over the teeth. Step 3: Position the tongue against the upper palate. Step 4: Gently bite down and close the lips to secure the brace in place. Usage guidelines: Wear 12 hours during the day and 8 hours overnight. Designed to support tooth alignment and muscle function training during wear. As oral muscle function improves, natural muscular forces may contribute to ongoing alignment.