No tooth digging necessary, grill fits on all teeth. Silicone layer for comfortable wearing. Gr E: 10 x 8mm. Material: Brass, set with zirconia stones, 24K gold plated / rhodium coated, U.V layer. "Smile for me" wearing instructions: If you have pain when wearing it, do not continue to wear it under any circumstances. 1. Do not wear while sleeping. 2. Do not wear during sports. 3. Not while eating o. . . (chewing gum, candy, ...). 4. Do not use as a replacement for braces. 5. If dental treatment is imminent, you should clarify the wearing process with your doctor. 6. Do not use the same grill with others. 7. Don't wear it for very long! 8. Never use people or animals with it at en. The golden care instructions: 1. After wearing, wash with clear water and store in dry areas. 2. Do not use chemical agents. 3. Do not wash directly with hot water after adjustment. 4. Do not put in the microwave. 5. Not in hot (car, balcony). 6. Keep away from children and animals. Attention: Use grillz only as jewelry for the teeth. Iced Out Biz assumes no liability about health or material damage.