What is Crossbite: Symptoms, Diagnosis and Treatment
2020-5-21u2002·u2002Elizabeth, 18 years old, Crossbite (upper left lateral incisor) correction in 9 months with Invisailgn. Expanders. Expanders are an orthodontic tool used in children to expand the upper arch. The expander appliance is used to the correct a developing posterior crossbite and facilitate healthy, proper growth of the teeth.
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