Modified Haas Expander for the Treatment of Anterior Openbite and Posterior Crossbite Associated with Thumb Sucking-A Case Report: 3-Years Follow-Up

Özet

Thumb sucking is an abnormal habit that occurs in childhood and can cause several malocclusions if it persists for a long time. Malocclusions caused by oral habits require proper treatment timing to maintain a normal growth and should be treated at an early age.This case report shows the management of thumb sucking and early correction of anterior open bite and posterior crossbite by amodified Haas expander. Three-year follow-up results showed the effectiveness of this special designed appliance.