For those on both sides of the dreaded dentist's chair, James Wynbrandt has written a witty, colorful, and richly informative history of the art and science of dentistry. To all of those dental patients whose whine rises in tandem with that of the drill, take note: You would do well to stifle your terror and instead offer thanks to Apollonia, the patron saint of toothache sufferers, that you face only fleeting discomfort rather than the disfiguring...