To recover from nail deformation caused by finger biting, first of all, stop the behavior of finger biting; then diet can be supplemented with more vitamins, minerals and other nutrients, so that the nails can grow more healthily and quickly; finally, to keep the nails clean and dry, to prevent the possibility of infection.
Nail biting is usually an obsessive-compulsive mental illness, which is very much related to anxiety and stress. It is recommended to find other ways to relieve stress, such as listening to music, exercising, and other activities to relieve stress, and to take your attention away from your nails.
Other ways to help with recovery can be to apply some cool oil or bright colored nail polish on the nails, or even wear rubber finger cots to remind yourself not to continue chewing on your nails, once you stop this behavior, the nails will slowly grow back again, be patient during the process.
If the patient frequently bites his/her fingers due to a serious psychological disorder, such as obsessive-compulsive disorder or anxiety disorder, he/she is advised to go to a psychiatry department or a mental health center for diagnosis and treatment of the original disease, and to standardize the treatment under the guidance of the doctor.