1Reliable material, safe and nontoxic, degradable, can last for several months. 2No tray or alginate impressions required. No special tools or equipment are required. 3Easy to operate, most customers can create a new tooth in a few minutes. 4This product is safe, nontoxic and harmless. Please feel free to use it. No special treatment is required if swallowed carelessly, this product is degradable, the degradation products can be metabolized out of the body. 5Use when there is real teeth around. Use the right temperature so that you can easily shape your teeth. If the temperature is high, the material is too soft too thin, not easy to shape; If the temperature is too low, the material is too stiff; Please try more times.