patient with palatal expansion frame of upper teeth.

anatomy arch articulation baby birth caries cavity children correct crossbite decay defect dental dentist deviation expander expansion forces function hyrax injury jaw larynx lower mandibular masticatory mechanical molded mouth oral orthodontic orthodontics orthopedics painless palatal patient pharynx plastic popular posterior preliminary procedure pronunciation rapid rectification relationship removable retainer roof skeletal solution technique teeth tissue tongue tooth translucent treatment twinblock uncomfortable wet wire