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Orthodontics

Correcting a deep bite — causes, consequences & treatment

The deep bite is the “vertical overbite”: the upper front teeth cover the lower ones too much when biting down. We explain how to recognise it, what consequences it can have and how it can be corrected gently today.

Dr. Nazanin Böhle · HOS Editorial
6 min read19 June 2026

What is a deep bite?

With a deep bite, the upper incisors cover the lower ones too much when biting down — the vertical overbite is too large. A certain amount of overlap is normal; it becomes a problem when the lower front teeth are barely visible any more or even touch the palate.

Animation: with a deep bite, the upper incisors cover the lower ones too much.

Deep bite or overbite? The difference

Colloquially, both are often called an “overbite”. Technically, however, a distinction is made: with an overbite, the horizontal gap is enlarged (the upper teeth protrude). With a deep bite, the vertical overlap is too large. Read more about the horizontal form in the article correcting an overbite.

What consequences can a deep bite have?

A pronounced deep bite is not only aesthetically noticeable — it can have functional consequences:

  • Wear of the front teeth — the strong overlap leads to increased wear.
  • Palate contact — the lower incisors can touch the palate and irritate the gums.
  • Jaw joint problems over time — the incorrect loading can strain the jaw joint.

How is a deep bite corrected?

In many cases a deep bite can be corrected with clear aligners: the individually made trays move the teeth in a controlled way and reduce the vertical overlap. For more pronounced malocclusions, additional aids such as elastics are used for bite correction. Planning is done with AI support based on a 3D scan.

2 – 10
months (depending on severity)
ab CHF 4'500.–
aligners, one jaw
3D + KI
planned bite correction

When should a deep bite be treated?

In children and adolescents, jaw growth can often be used deliberately, which is why an early assessment makes sense (see orthodontics for children). But a deep bite is also treatable in adults — teeth can be moved at any age.

Treating a deep bite in Zurich

Do you suspect a deep bite in yourself or your child? You'll find more about our orthodontics in Zurich and the aligner treatment on our treatment pages — or arrange a no-obligation consultation directly at our practice at Löwenplatz in Zurich. We assess the bite and show you the possible result as a 3D preview.

This article is for general information only and does not replace individual dental advice. Whether and which treatment is right for you is something we determine in a personal consultation based on your individual situation.

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