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Gap/Space Under My Dental Implant Bridge

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monitoring the jawbone

Gap Under All on 4 Hybrid

A gap or space can form under a dental implant bridge, or even a bridge with natural teeth.

The focus of this post is to take a look at implant bridges, especially immediate or all on four/ all on 6 dental procedures for full arch dental implant replacements.

The most common gaps seem to occur on all-on-four or a full mouth of zirconia or acyclic bridges usually within the first month after immediate temporaries are placed.

Why is there a gap under my bridge?

Let’s assume that you have had your teeth extracted and then an implant placed and a bridge made on the same day.

With this procedure, which we often carry out in our practice, once the bridge is inserted, some swelling of the gums can be seen which makes the space really tight.

Then, typically, following a few weeks after the procedure (between 2-8), we see this swelling calm down around the gums, where they shrink back to their normal size, which then leaves a gap.

A common complaint with this is that it can be difficult to speak. It’s found that with this space under the dental implant full arm bridge, it can be difficult to pronounce certain words, most of which start with “S” or “H” because of too much airflow.

With this treatment, a small gap would be considered normal, and it’s often best to just allow the treatment to heal otherwise it might likely increase.

Space underneath dental bridges affecting speech

In the upper jaw, this causes more of a problem because the space affects your speech.

On the lower jaws, we tend to adopt somewhat of a “high water” design so that the teeth are easy to clean.

A gap here does not usually create any speech issues at all, as long as the tissue surface of the bridge is convex rather than concave.

A short-term solution to this would be the place orthodontic wax into the space during the healing period.

In our practice, we convert the patient over to a prototype PMMA provisional temporary, which is closed up so that we can best work out all the little details before we finalise the bridge on the implants.

Cleaning under the bridge for all-on-4 dental implant procedures are relatively similar.

Water picks and toothbrushes make it possible to be cleaned easily – depending on if the bridge is designed well.

One of the biggest issues with these type of bridges tend to develop over time and honestly, is often down to what has happened with surgery and what was done as well as whether or not multiunit abutments were used within their proper margin height.

implant success

Beyond the technical

This might sound a bit technical and that’s why choosing the right implantologists and professionals will make all the difference when correcting any implant issues.

The bottom line is that this space can be closed quite easily in temporary settings, however, if you have undergone your final bridge fitting, it can be extremely difficult to close the space (although it is possible).

It’s more simple to do this procedure with acrylic types of bridges compared to zirconia as the plastic can often be bonded with additional acrylic.

What to do if you have a complex case?

No matter how many gaps you have in your smile or any complications you might be experiencing with your implants, the Gentle Dental is here to help.

Whereas some dentists might turn certain cases down due to inexperience or expertise, you can rest assured that implant dentistry is often at the forefront of all of our work and we have great experience in the field.

Whatever your problem, let’s see how we can fix it.

Call 020 8224 7562 to review your options now.


Dr Ali Rifai

BDS (London) PgCert MClinDent (Implantology)


GDC No. 154456

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