Planas Direct Tracks for Early Crossbite Correction Facebook Youtube Linkedin By Dr. German Ramirez-Yañez, DDS, MDSC This article describes the use of composite inclined planes called Planas Direct Tracks(PDTs) to correct more complex cases of crossbite in the deciduous dentition.Prof. Pedro Planas of Spain initially developed PDTs,1 and Simoes11 adapted them for early prevention of anterior or posterior crossbite.PDTs should be used in the deciduous […]