If you get up close, does it smell like you're down-wind of a herd of cows which have been grazing for weeks on a diet of rotting cabbage? Does the tooth, the whole tooth and nothing but the tooth make you feel guilty? Fear not. It's not unusual to feel this way because all parents face a daily battle to get their children to brush their teeth properly and to stop them eating too many sweets. Black-toothed Ruth Black is a story which tells of the...