A-Dec is highly favored in the Dental Texhnician world, but even they need some maintenance here and there. These bottles will get really hard to put on, but a little o-ring lubricant goes a long way! Mo more fiighting every time you put a bottle on. However, pleasemake sure you’re using a product made for dental use! #dentist #dentalassistant #dentaltechnicians #dentalwaterbottle