Objective: This is the first description of long-term follow-up of a c
ase of Freeman-Sheldon syndrome, Microstomia was treated with a mouth
expander for 2 to 3 hours per day before active orthodontic treatment,
Separate impressions were necessary in each quadrant of both upper an
d lower jaws because of limited mouth opening. Conclusion: Orthodontic
treatment improved the patient's Class II malocclusion, which was acc
ompanied by crowding and a deep bite.