bells palsy may be treated only with ejercices an soft tissue massage, but the early the treatment start the better in order to prevent changes in the muscle lenght. In the worse cases it is necessary the use of mouth splints that may be done by a physio or a occupational therapist. A few sessions at the beggining and then just a check up during the next few months would be enough. One year follw up would be to long . The key it is the patient education regarthing the exercices