In this lecture we will go through what we are looking for

in a radiograph of an implant,

Prevention of complications or detection at an early stage

is very much depending on our ability

to correctly interpret radiographs on implants correctly.

What are we looking for in a radiograph of an implant?

In the biological part, we are looking for bone loss,

disintegration and apical peri-implantitis.

While on the technical side we are looking for

if the abutment screw is in place, if it's loose;

gaps, fractures in screws and frameworks; in implants, cracks;

and sometimes even cement excess.

So let's go through a couple of radiographs

and see what we can find.

In this one, we have three implants.

The first implant is perfectly fine.

The second one we can see irregulars and

see around the implant suggesting we have

a loose, disintegrated implant.

On the last implant is a typical saucer defect

that looks like a typical peri-implantitis.

In this radiograph, we can see

a typical apical peri-implantitis.

Sometimes when taking radiographs with impression copings

it is essential to see if the impression copings

are in place.

In this image you can see that we have used

the wrong size of the impression copings

revealing a gap in the radiograph.

In this radiograph, which is the same

in all of these radiographs, we can see that

one screw in the middle of the bridge

has unscrewed itself.

In this radiograph we can see that one abutment screw

actually has fractured.

This is the same radiograph showing the same situation.

This radiograph, we can see two things.

One is that the abutment screw on the left is fractured.

On the right image, we can see it is

actually a wrong size of the abutment.

In this picture we can see if we magnify it

that on the first implant on the left side

we have a broken, fractured screw.

In the middle one the abutment screw is in place.

And on the third one we can see

the abutment screw has unscrewed itself.

In this set of images we can see a fractured abutment screw

to the left and we can see a crack in the framework.

There's a bridge with a gap, with a misfit.

And here is a picture with a cement excess.

Another picture with both cement excess and a gap.

Another picture with a lot of cement excess.

Here's another picture with a misfit with a gap.

Here we can see that there's both a gap and a misfit

in the same picture.

And in this case the whole framework has to be changed.

Sometimes you can even find situations

where the abutment screw is missing totally.

These pictures you can see cracks in the implants

and these can sometimes be really hard to find.

You have to be careful and look for them carefully.

This is a clinical situation of the same radiograph.

如何给种植牙做影像学检查 2

口腔种植学（Implant Dentistry）

Rencontrer les enseignants

如何给种植牙做影像学检查 2

口腔种植学 （Implant Dentistry）

Rencontrer les enseignants

口腔种植学（Implant Dentistry）