Jenny is 11 yrs. old and spet her first 5 yrs. in a puppy mill. She now has a grade 5 heart murmor. She also has a couple of bad teeth. She cannot have anethesia to have them pulled. I am looking for something to rid the infection. And if possible something to improve her heart problem. any advice would be appreciated. She is on Wellness dry food. She weighs 7 lbs. And takes a half a Clavamox tablet twice a day.