Yeh, I know dentals are expensive! Oh, but they feel good when they're over! Will Prissy let you put your fingers in her mouth (I know, stooopid questions with some doxies!). If she will then you could rub the doggie toothpaste on her gums.
Well, Lynyrd here has about 10 teeth left and does the lick and swallow routine for eating. Had 17 taken out last dental....and that was with intermittent tooth brushing a year after his last dental. Baby food. Snort. Sniff. He'd be insulted. Here's a picture of him taken right after he discovered -- and had eaten -- one of my beautiful kohlrabi.