The following information may help to address your question:
Further information about the diagnosis of Sutton disease 2 can be accessed through Medscape Reference.
Treatment may not be necessary for minor canker sores which tend to clear on their own over the course of a week or two. Large, persistent or unusually painful sores may require medical care. The goals of treatment are to decrease pain, speed healing and avoid recurrence. While no one therapy meets all of these goals, many do offer some benefit. Treatment may include mouth rinses, topical ointments or systemic corticosteroids.
More detailed information about treatment options can be accessed through the Treatment and Medication sections of Medscape Reference and through the American Academy of Oral Medicine.