PleaseHelpPeriwinkle

A friend who helps maintain rural, feral clowders, found Periwinkle in the middle of a dirt road miles from nowhere. Completely flea-ridden, she was small, maybe 6 pounds, and starving. The crusty face, missing incisors, and hard round belly sticking out of her bony frame told an ugly story of parasites and garbage gut. 
Cats are typically picky eaters, but hungry cats will eat anything they can find, including moldy food, waste like eggshells or peelings, and wrappers ... paper wrappers doused in fast food grease are hard to pass up if you are starving. Not only lacking real nutrition, these things cause blockages, and inflammation in the stomach lining and intestines. This inflammation eventually affects the mucous membranes in the mouth and combined with the bad teeth often found in cats with bad diets, you have a perfect storm of pain and infection. 
My friend refused to leave Peri to die a slow painful death, so with the distraction of tasty wet catfood, she scooped Peri into a carrier and brought her home. 
Periwinkle is doing well now ... the parasites are gone, the inflammation in her gut has receded, her eyes are clearing and her coat is beginning to shine ... but for her to fully recover the bad teeth need to go! Otherwise the bacteria in her mouth will keep her immune system in overdrive, which could eventually lead to a reinfected gut as well as bone loss in her jaw. We can't put her up for adoption without a dental and we are not a rescue, just some chicks who help homeless cats out of our own pockets. She's only 2-to-3 yrs old, with another possible 12-15 years of love to give. Can you help us make her new life healthy & pain free?