The LANAP procedure is carried out under local anesthesia. This allows the dentist to precisely direct the laser, and post-procedure discomfort is typically minimal and does not last long. The startling increase in patient comfort makes the LANAP surgery procedure very attractive.Every patient, and every case, is different. The length and complexity of your treatment will depend on the severity of your periodontal disease, as well as the degree of treatment your particular case of gum disease requires. As a general rule, successful treatment of your gum disease generally takes one or more visits to the office for treatment.