Publix has Pedigree Dentastix on sale for $3.59 BOGO. There is a $2/1 coupon in the Return The Love booklet, use two of those.
If you can't find the booklet, you can print this coupon from the weekly ad on the Publix's webpage.
Stack with the $1/2 Pedigree Dog Treats coupon from the 4/29 Redplum. After all coupons there is $1.41 overage on two bags. Keep in mind that you will have to pay around $0.20 in tax.