A Cavity, An Astronaut's Mask, and a Date at McDonald's

It's been almost two years since I last attempted to take my son William to the dentist. Until then, I had no idea a kid could clench his jaws shut with such steely determination. On the second and last try, the dentist managed to count his teeth - but she lost a pair of plastic sunglasses in the deal and William left with teeth no cleaner than they'd been when we arrived. William's four now, and what a difference a year or two can make! I knew we'd turned a corner when he let me brush his teeth with the Rota-dent