Apgujeong Orthodontic Clinic / Deep Bite Correction, Invisalign Lite Crowding Correction

Hello

This is Apgujeong Orthodontic Clinic.

Today, let’s talk about deep bite correction.

What is a deep bite? It is a condition in which the front teeth tip backward.

The teeth appear shadowed, and the smile can look somehow tight or constricted.

Take a look at how deep bite treatment is carried out with Invisalign Lite, a short-term Invisalign program.

24.02

This patient visited for orthodontic treatment in February.

The part the patient wanted to correct was the alignment of the front teeth.

The patient had already been to consultations at five orthodontic clinics.

They came after being told that the treatment plan would involve extracting the wisdom teeth and moving the molars backward.

The upper and lower midlines differed by about 2 mm, and crowding was visible in the lateral incisors and canines.

24.02

From the side, you can see that the three central incisors are tilted backward.

On the right side, the bite relationship is Class II.

24.02

The three front teeth are positioned toward the palate.

When the front teeth are tilted backward while smiling, they look shadowed and less attractive.

Since the right molar bite showed a Class II relationship, the standard approach would likely require Invisalign Comprehensive for more than 18 months to move all the molars, just as diagnosed at the other clinic.

However, the patient considered treatment duration and simplicity more important, so treatment was carried out with Invisalign Lite, targeting about 9 months.

Instead of perfect midline correction and exact bite correction, the approach was to reduce cost and treatment time while allowing a small amount of midline discrepancy and bite error.

On the right side, which showed a Class II bite relationship, elastics were used to guide the bite as close as possible to Class I.

The appliance order was placed in February 2024, and the aligners were received and started in March.

Invisalign Lite comes with up to 14 aligners, and the patient wore them for 4 months from March to June.

24.06

The alignment and crowding improved.

The midline improvement is still minimal.

The Class II elastic on the right side was worn diligently, and the bite relationship improved somewhat.

24.06

Improved alignment and deep bite

The right molar bite relationship was improved a bit more with elastics, and the front teeth angle was also planned to be made more upright.

Additional aligners were made.

The additional aligners were used from June to November 2024.

The patient also wore the elastics diligently.

In November 2024, the treatment was finally completed.

November 2024

A tight bite is visible.

For the last 1–2 weeks, the aligners were trimmed so that only the front teeth portion remained, leaving out the molar portion to promote natural bite stabilization.

I keep posting about this in order to break the prejudice that Invisalign ends with a poor bite.

Now, let’s compare before and after.

24.02~24.11

The problematic Class II bite relationship on the right improved to almost Class I.

This was thanks to diligent elastic wear.

24.02~24.11

The left bite was originally Class I, and the upper and lower molar bite became more tightly interlocked.

24.02~24.11

As the front teeth that had been tilted backward moved forward, the arch shape changed from a square form to a rounder form.

24.02~24.11

The lower arch shape also improved.

24.02~24.11

The midline still differs by about 1 mm, but it improved compared with the beginning.

24.02~24.11

24.02~24.11

With the deep bite and crowding resolved, the smile looks much cleaner and brighter.

Invisalign tends to allow fine adjustment of front tooth torque quite well, in a way that suits each person’s bone condition.

In fact, it can do this even better than bracket-and-wire orthodontic treatment.

I hope this post is helpful for those concerned about deep bite.