Maybe you could perhaps consider soaking the food in water to soften it as no doubt the chewing hard food with an infected nerve in the tooth and tissues around it isn't likely all that comfortable. Many dogs will eat whatever they are fed even when they are in very serious medical straits.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |