1Beautiful design, elegant and compact. 2It can be used with oral cavity combined therapy desks, convenient to use. 3Stable and even dust removal, can clean the dirt attached to the teeth, restore the natural white teeth and luster. 4Good cleaning effect, carefully design of the length, Angle and curve of nozzle, easily for dentist to effectively remove all parts of the dental plaque. 5Spray polishing heads are easy to replace and can be sterilized in a 121-degree vacuum.