My back and neck used to ache from straining to see while using my ultrasonic. Now I sit up straight and use a mirror to see those difficult spots. Annette V., RDH When I substitute for hygienists in other offices, the first thing I tell them is, “You’ve got to get a Boa!” Linda M., RDH Finally! I can see the lingual of those lower anteriors while I’m using my ultrasonic. I use to guess where my tip was and hope I got most of the calculus (always having to go back with a scaler). Now I can see exactly what I’m doing! Kelly H., RDH Blue Boa far outweighed my expectations. Ann P., RDH I used to pause before I used my ultrasonic…such a pain to use. With Blue Boa, I’m using my ultrasonic more than ever. Kadell E., RDH