SPECIFICATIONS type1: Oral Beauty Tool type2: tooth Braces type3: Orthodontic Teeth Trainer Correction type4: Teeth Straightener type5: Teeth Care suitable for: adult or children over 9 years old type6: Dental Alignment Tool type7: Teeth Straightener type8: Silicone Mouth Guard type9: teeth Appliance type10: Silicone Orthodontic Braces Type: Denture Adhesives Choice: yes semi_Choice: yes *D1 is soft, the first stage, use 2-3months.*D2 is moderate, the second stage, use 4-5 months.*D3 is hard, the third stage, use 3-4 months.*The correction process is divided into three stages. After using D1 for 1 month, you can gradually use D2 together.Use D2 on daytime and D1 at night. When you fully adapted to D2, you can be gradually use D3 together. Use D3 on daytime and D2 at night. You must wear it every day, normally, there will be noticeable improvement in 4-6 months. Color: Blue, White,Purple Material: PP Saving time: Without repeated visits. Simple: Patients can take on and off by themselves. Efficient: Short treatment cycle and never rebounded. Convenient: Avoid the trouble and inconvenience causing by Arch wire training, especially for man who cannot achieve Arch wire training. The idea dental arch track ,moderate force. Harmless: No harm to the teeth and oral soft tissue. Usage : Wear during the day and four hours sleep wear ,day wear time is devided into 4 paragraphs, each one hour, at every half an hour before the requirements of patients with teeth and one minute, then relax one minute at each of the latter half of hour requirement inpatients with occlusal gently ,so always keep in touch on the lower lip. relax while studying at correction. Have teeth in the use of use of pre-acid, saliva and more normal situation, with the wearing this appliance extend the time, the symptoms gradually disappear. suitable for: adult or children over 9 years old