Crooked lower incisors can be corrected by braces or orthodontic surgery. 1. Braces, if the case of crooked lower incisors is not serious, you can consult a doctor in time to wear braces, through which you can correct the direction of teeth, align the teeth, and alleviate the symptoms of crooked lower incisors. 2. Orthodontic surgery, if the case of crooked lower incisors is more serious, you may need to consult a doctor in time for orthodontic surgery, for example, you can remove the extra teeth, let the teeth inward, improve the convexity of the teeth, you can also expand the arch or move back the molar teeth. Crooked teeth may affect your personal aesthetics, so if the symptoms are serious, you may want to seek medical attention in time to avoid the impact on your later life.