This applies not only to teeth but also to life.
When we become stagnant, we lose what we have once gained and cease to gain any more. This is exactly why we should seek out hard things and embrace them because there is no comfort in growth and no growth in comfort.
It’s amazing what happens when we strive for just 1% improvement each day. What’s even more transformative is what happens when we help others improve just 1% each day.
And, since we’re talking about daily improvement through helping others, here’s another tag-line to keep in mind throughout the day: “give extra, get extra.”