Nicely balanced! However what's this about disposable income for toothpaste? A tube can last a long time; most people use far more than the pea-sized amount recommended by dentists. And what's the balance between using toothpaste (even bicarbonate + salt works well, if pushed) and the cost of visiting a dentist? Of course you can skip the latter and unless you're very lucky, enjoy a shorter lifespan. Recently we've become much more aware of the definitive link between rotten oral health and vascular (heart) disease.