Unilateral posterior crossbite is a problem often seen in orthodontic practice, and properly understanding chewing patterns will lead to the most effective treatment program. Drawing on their research and available literature, Drs. Piancino and Kyrkanides present a fascinating look at chewing cycles and their role in the functional treatment of unilateral posterior crossbite. Describes the physiology and pathology of chewing patterns and muscular activation in humansExplains chewing patterns and muscular coordination, and their influence on the growth and harmony of the stomatognathic systemClinical instruction for checking and correcting masticatory function and functional asymmetry in order to prevent the relapse of the malocclusionClinical cases walk readers through the treatment of seven crossbites