Dental trolley useable as secondary or main unit, in which the number of modules can be increased. Its pleasant appearance reduces the instrument stress of the patient. One of the outstanding features is the hanging hose system, which permits smooth movement without instrument tension, allowing for long hours of work without fatigue. The absence of edges and the smooth surface allow for easy cleaning. Capacity for 5 instruments, with the appropriate internal components for the regulation of pressure, water flow, etc. And anti-retraction system to prevent cross-contamination.