warning about oral-b toothbrush rr's

do not use the $4.50 rr from the crest pro health rinse when buying the oral-b crossaction toothbrush.
if you do, your rr's will not may not print for the toothbrush!
(some people have commented that they have, in fact, used the crest rr's on the oral-b toothbrush, and still received a new rr. ymmv?)