[ad_1] Penny, a 3-year-old chestnut mare with a white blaze, had been drooling over her food and struggling with her teeth, signs of a likely toothache. An examination confirmed that she had to have two wolf teeth extracted and the sharp edges of some molars ground down, procedures that required opening her jaws with a speculum. To protect Penny from pain and to protect himself from being kicked by a horse that weighed him ten times, Boyd Spratling, Penny’s veterinarian, […]