Name : LEKGAVDOrigin : CN(Origin)Size : Orthodontic BracesModel Number : Mouth GuardMaterial : TPEFeature 1 : Mouth GuardFeature 2 : Orthodontic BracesFeature 3 : Teeth RetainerFeature 4 : Oral BeautyFeature 5 : Dental Alignment StraightenerNew Teeth Orthodontic Braces Appliance Dental Braces Silicone Alignment Trainer Teeth Retainer Bruxism Mouth Guard braces newMaterial: TPEColor: transparentNotice: Please do not soak it in hot water over 70Size: 6 x 5.5 x 2.5cmSuitable for age over 12 years old x D1 is soft, the first stage, use 2-3months. x D2 is moderate, the second stage, use 4-5 months. x D3 is hard, the third stage, use 3-4 months. x 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.Package included:1 Pcs Teeth Retainer OPP Bag Package without box x Special structure:The product is made of medical plastic and there is a little plastic smell odor, please rinse with saline or toothpaste before using. x Functions:1. Lip block, slow muscle contraction, develop good habits.2. Upgraded version of the closed design to remove bad oral breathing habits3. The tip of the tongue improves the force of the tip of the tongue on the teeth and improves the dislocation of the teeth.4. Dental arch track, two-way mechanics, improved teeth, promoted neatly arranged teeth. x Appropriate rigidity:Has enough thrust force and is comfortable to wear at the same time. Suitable for even metaphase and severe symptom. x Multifunctional:Can improve bucktooth, large tooth gap, malocclusion and even your chew habits. Wearing it at night can also relief odontoprisis symptom.