The aim of this study was to detect possible differences in the EMG (electromiography) activity. chewing rate (CR). cycle duration (CD) and preferred chewing side (PCS) between children with and without unilateral posterior crossbite. Thirty-seven children aged from 7 to 10 years were selected from the clinic of the Department of Pediatric Dentistry. https://pipingrockers.shop/product-category/st-johns-wort/