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Lower Anterior Crowding

Case Study - Mikela

Starting age 7 years



• Crowding caused by underdevelopment of anterior mandibular arch.


• Overactive mentalis from reverse swallow is the cause.


• Mouth breathing reduces arch development.



After 13 months treatment



• Arch length gained by reducing the effect of the overactive mentalis muscle.


• Facial improvement by changing mode of breathing.


• Passive arch expansion from change in tounge position.

Daily use of Trainer - 1 hour plus overnight