When my dentist gave me the bad news, I was naturally distraught over the possibility of losing half of my teeth. Even after years of religiously brushing, flossing and wrestling with my Waterpik, the entire lower left-hand quadrant as well as a few other strategically located molars had succumbed to periodontal disease, so eating anything denser than applesauce started to become a challenge. The one redeeming factor was that I’d be partially reimbursed by the Tooth Fairy. I was introduced to the practice of exchanging my lost baby teeth for money when I was 5 years old. My mother told me if I put a tooth under my pillow, the…