To prevent tooth dislocation is to prevent dental trauma, the main measures include the following aspects: 1, for children, parents should be highly aware of prevention, first of all, should watch over their children, followed by avoiding the use of furniture with sharp edges at home, such as sofas, coffee tables should choose rounded edges, or with similar sponge-like items wrapped around the corners; 2, for active children, you can wear protective dental braces, similar to boxing If the tooth is dislocated, the affected tooth should be flushed clean and placed in saline milk or under the tongue within 30 minutes. 4.