Three advantages of FRESHCARE 1) Easy to use and maintain 2) FRESHCARE is very economical FRESHCARE is very economical since it requires only a small amount of oil * for thorough cleaning and lubrication. *Amount can be reduced to 1/4 of oil required for manual cleaning and lubrication by spray to get the same result. (YOSHIDA research) 3) Head caps prevent oil dispersing Head caps prevent oil dispersing during lubrication, and keep the exterior of the handpieces and area around device clean.