Orthodontists sometimes talk about springs. But what are they?

When the gap between the jaws is too large, elastic bands alone cannot correct the problem.

The orthodontist then resorts to more radical means, such as springs or rods. For the first few days, this device is rather unpleasant, but you soon get used to it. What's more, it's extremely effective:

In just 6 months, significant results can already be achieved.