I mean in the context of this prescribed toothbrush - was the intention of the doctor to track and improve OPs oral hygiene with this app or app happened to be

I mean in the context of this prescribed toothbrush - was the intention of the doctor to track and improve OPs oral hygiene with this app or app happened to be included by accident, while main idea was to maneuver OP into buying the device and give dentist a cut from some Philips affiliate sales program.