THE reference in terms of crown and bridge removal !

Why take risks?

1. WAMkey is a simple to use solution.
2. It will not cause any pain to your patients.
3. It's quick (usually less than 2 minutes per crown).
4. In most situations, you can reuse the crown provisionally, Thus, you cansave a lot of time. In few cases, you can even reuse them permanently.

This kit has everything you need:

  • 3 sizes of WAMkeys No1, No2, No3
  • 3 CMV (Ceramometalivore) autoclavable burs for effortless, vibration free cutting of metal and porcelain
  • Easy to follow, complete instruction CDRom
All components in this kit are fully autoclavable (130°C/275°F)


So why take risks ?

Outdated, traditional style crown pullers exert dangerous, heavy tensile loads on the ligament, and waste much of the removal force stretching the ligament and causing unnecessary patient trauma, and regularly damage or even extract the preparation....got your lawyers number handy?
WAMkey is totally risk free !

WAMkey's patented unique, gentle separating action allows the crown to follow the path of least resistance. In fact, it will look for the weakest point and gently de-bond the cement. Without pain to your patient, and with no risk of damage.
WAMkey disassociates the crown from its abutment without applying ANY traction or tensile forces, or sideways movement. Wamkey doesn't pull the crown off, it actually PUSHES it off from underneath! PERFECT! Thus, there is no risk to fracture the tooth or to remove the build-up underneath.  
WAMkey exerts only a natural compressive pressure on the supporting tooth, which gradually increases until the crown is easily removed - without impact, damage or discomfort.  
WAMkey preserve's the crown or the bridge to allow temporary or permanent re-use.

The main parts of the crown (margins, occlusal face and contact points) are preserved undamaged.
Additionaly, in many situations, the initial window can be cut with the CMV bur on the lingual face. Why is this important ?

Because after its removal, the prosthesis retains all its mechanical and aesthetic properties. You can now either make a small instant composite repair, or refer to the technician. Thus, a provisional or permanent reset is possible.
The pressure on the filling is particularly low, so that you can dismiss any risk of leakage.
Why waste money ?

With outdated traditional methods, the removal process can be time consuming and expensive, and the result uncertain. With WAMkey, your precious time is saved, because the entry window made in the crown is very small. By avoiding cutting the whole crown off, you also save your rotative materials (contra-angles, hand-pieces and drills...). And don't forget that in many situations you can also reset the crown provisionally or permanently. Bonus !


Firstly, locate the most accessible spot on the crown. The goal is to estimate the cement layer level between the occlusal surface of the abutment and the inner side of the crown itself.  
Secondly, drill a thin horizontal window in the crown.  
Enlarge this window until you can see the cement layer through the window.  
Then, after having checked that the slot is at the cement level, deepen the holeuntil it reaches the centre of the tooth preparation.  
Slightly extend the hole to form an horizontal rectangle.  
Finally, introduce the key down to the bottom of the slot and make a simple rotation on the handle.The crown is removed!
In many cases, you'll be fooled into thinking that the WAMkey is meeting no resistance; even the patient may feel nothing at all. So watch attentively and ask your patient to listen carefully...
It usually takes between 1 and 3 minutes to remove each crown. In specific cases (for example when removing ceramics or crowns on posts), the process may take a bit longer ( 4 to 8 minutes at the most).

WAMkey, remove your crown before root canal treatment!


Stop doing your root canal through the crown. WAMkey allows you to remove the crown in 1 or 2 minutes and in some cases, less than a minute. Once the crown removed, you have a easier access to the root canal, you can make an easier repair of the crown, and above all, you have an opportunity to make a far better diagnosis because you can visualize everything under the crown.

Clinical Cases/Videos

Crown removal? CHILD'S PLAY!

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Wamkey Clinical case 02

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Wamkey Clinical case 03

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Wamkey Clinical case 04

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Wamkey Clinical case 05

Click on play

Wamkey Clinical case 06

Dr William MULLER's Clinical Case - France

This 34/36 (US: 19/21) bridge is about 10 years-old . The dentist has decided to remove it to treat the seriously infected 36. The root canals are closed with silver cones and a screw-post blocks the distal canal.
Because of the screw post, the bridge must be removed (to enable the dentist to reach the root canal)

The presence of the silver cones (old root-fillings) will force the dentist to question the efficiency of the procedure he is about to undertake. Making a new bridge is therefore excluded.

On the other hand, placing a temporary bridge raises the problem of fragility in the long term and the risk of infiltrations .
Re-setting the bridge is highly recommended in this situation. 

After having made an incision in each crown, the dentist introduces the working portion/head of the smallest WAMkey® (n°1) successively into each hole to remove both crowns.

If the smallest key is effectively too small, he uses the medium-sized one (n°2) or the biggest one (n°3).
In this case, the hole is drilled in the vestibular face, but it could have been drilled into the lingual one.
Note that the ceramic is not damaged in any way thanks to the minimal force used during this operation, and that the removal took no more than 4 or 5 minutes..
After the crown has been removed, the 36 (#21 US) can be treated. This task is facilitated by the apparent accessibility and visibility. bridge2.jpg
After the root has been treated, the dentist cements the bridge back. The goal is to leave the bridge in place several months, even years, until satisfied as to the quality of the endondontical treatment.

Any excess cement is removed and the holes are filled with a composite.
There should be no risk of infiltration thanks to the quality of brushing and minimum promptings at that location. If necessary the practitioner can carry out periodical check-ups. Where the re-evaluation of a case requires a lengthy wait, the cosmetic aspect of the restoration is completely satisfactory.

If the treatment proves to be a success, within a few years, the practitioner could think about making a new bridge. However, if this endodontical treatment is a failure, the extraction of 36 might be forced, though the practitioner will have avoided the making of a brand new bridge with a limited life expectancy.
Would you like to share your clinical cases related to our products? Please send us your videos and photos.It would be our pleasure to post them on our web site. Write to us by clicking on the "contact us" or "make a suggestion" links below and we will inform you on how to send us your files.


Isn't it faster to cut the crown, and then make a new crown ?

No problem. But, even if you make a new prosthesis, isn't it better to use the old one as a temporary one, especially if it is a wide bridge? Isn't it better to avoid using lots of burs and wearing contra-angle hand-pieces to remove it?

But the hole damages the crown, and so can I use the prosthesis again?

Since the dentist no longer needs to alter or even perforate its essential areas, the crown is not irreparably damaged (see explanations). Once the small entry window is filled, the prosthesis can fullfill all it's essential functions:
  • occlusion
  • contact with adjacent teeth
  • waterproof
  • cosmetic
In many cases, a simple repair is enough, and it can be made right after the removal with composite. Generally, the whole operation lasts less than half an hour, the ease of repair being comparable to the lingual filling/covering of a screw through crowns on an implant.

Does it work on Porcelain Fused to Metal?

Our technique is quick and easy to manage. After a few training removals, it is possible to save more than 80% of PFMs. It's merely a question of habit, skill and patience. Follow the instructions for use you will receive with your instruments, and you'll make it !

Is WAMkey® under guarantee?

Of course, WAMkey® is guaranteed as long as it has been used according to its protocol of use. The guarantee covers manufacturing defects and the non-conformity of raw materials. It is not guaranteed for ANY mishandle fracture that does not correspond to a defect. You will quickly discover that thanks to the reduced friction during crown removal, there is no need to force the instruments. Many skilful users (especially endodontists) have been using WAMkey® for years without any problems or incidents of breakage.

Why do I need 3 instruments?

wk_petit_grand_instrument.gif As illustrated by these animations, you should always start working with the smallest instrument in order to get as close as possible to the tooth's vertical axis. But if this instrument is too small, it will spin inside the cavity. This will especially happen if you face a thick cement layer, some decay or a build-up in amalgam. Then, the bigger instruments will certainly be useful. These 2 first instruments should always be used with no more than 2 fingers.

In some situations, especially big molars, you might need more strength if the crown is tightly adjusted. You will then enlarge the cavity to insert the 3rd instrument that is 40 times stronger than the other ones.

In fact, with only one WAMkey®, You would not be able to remove every crown.

Nevertheless, instruments are sold individually for eventual replacements.

Does WAMkey work with all kind of cements and resin cements?

As most dental devices, WAMkey can't guarantee a 100% success. But practionners using the WAMkey usually report an over 90% success rate. In 2012, an evaluation conducted by Dental Advisor in USA resulted in a 92% success rate over 320 crowns. And for sure, some of the 92% crowns removed with WAMkey were bonded and not cemented.

WAMkey applys a couple of forces at the right spot (between the 2 elements we want to separate) in the right direction (along the axis of the prep). So we can assert that if you fail in removing a crown with WAMkey, there's absolutely no chance to remove it without destroying it completely.


Absolutely brilliant product ! ...

Absolutely brilliant product ! Has saved my life !

Dr Jerry WATSON - STANFORD (United Kingdom)

Fantastic product !...

Fantastic product !
Very predictable. Had no problems with taking off crowns neatly since WAMkey !

Dr ODEYEMI - London (United-Kingdom) 2008

" WAMkey® really disappointed me! ...

" WAMkey® really disappointed me! I was ready to have fun while removing an old bridge...but I did not have enough time, because the "thing" removed it as if it was a temporary bridge. Boo hoo! The thing jumps the gun. Even the patient noticed it: " Was it ready to come out, good heavens! It was high time to change it..."

Rafaël SOBIESKI ( Heyrieux, FRANCE)

I have been using the WAMkey crown remover for about 3 years now...

I have been using the WAMkey® crown remover for about 3 years now. It's one of the best buys I ever made. I tried a lot of other instruments and techniques, but they are all less effective and less timesaving. The most important thing to me, is that the stress for the tooth is reduced to a minimum. I can recommend the WAMkey® to any dentist.
p.s. I ordered the WAM'X® ® post remover and am looking forward to having another great instrument that will help me in my daily practice

Dr Roger Zemp, Freiburg, SWITZERLAND 2008

Absolutely the most....

Now I have used the Wamkey.

Now I have used the Wamkey. The patient was an old gentleman of 75 with a pfm-bridge from 14 to 25 with abutments on 13, 23, 24 and 25. From the beginning the bridge had an abutment even on 14 and a pontic on 15. Due to caries 14 had to be extracted a year ago. At the same time I removed the pontic on 15 and made 14 to a pontic. A couple of weeks ago the crown on 13 became loose. I have thought a lot about to solve this problem because the patient was not interested in making a new bridge or implant treatment.

I tried it first on an extracted tooth (ordinary gold crown) and it went very well. I realized that my case would be a lot more difficult due to the fact that there were 3 adjacent teeth.

The loosening of 24 and 25 went without problems. The bridge is now re-cemented and I have put composite in the drilled windows.I think the result is pretty good and I do not think that any other method would have worked at all.

So thank you for 3 good instruments. I will strongly recommend the method to other colleagues! Dr Thomas Alvner SWEDEN

Ist ein sehr gut Instrument,...

Very fast...

Utilisateur depuis de nombreuses années de WAMkey,...

" I am still so amazed...

" I am still so amazed by the speed of the operation and by the fact that that the patient does not feel anything at all... the more I use WAMkey®, the less I can do without it..."

Robert Eskenazi (Marseille, FRANCE)

"Only this morning, I had to deal with a bridge ...

"Only this morning, I had to deal with a bridge where the anterior crown had loosened, but the posterior ones were literally "IRREMOVABLE"(a shaft had been made in the post-crown). One stroke of a drill, one rotation with WAMkey®, a little bit of cleaning, cement, and it was done within 10 minutes ! "

François Moineau (Chartres, FRANCE)

" We can do without WAMkey® ...>

" We can do without WAMkey® but WAMkey® does a good job and above all saves so much time, that's why it's such a profitable investment! "

Fredéric SACCENTI (La Loupe, FRANCE)

" I am always surprised by how easy it is to use...

" I am always surprised by how easy it is to use. O)))))))) Once the 2 crowns were removed, the patient told me that he felt that it had come loose. Meanwhile, I was on the verge of introducing the larger instrument into the hole, because I was under the impression that the smaller WAMkey was not gripping, but in fact, the patient was right, the crown had already been loosened. O)))))) "

Bernard DUFFAU (Bergerac, FRANCE)

" That's right, it is almost disappointing, because....

" That's right, it is almost disappointing, because it works fast when the incision is well placed.

Example : crowns 45,46 (29,30 : US) cemented on post-crowns, 5 minutes exactly by the clock, my patient was really impressed and so was I. "

Thierry Couturier ( Reims, FRANCE)

Quando empiezas a utilizar el WAMkey...

Comme promis, je vous envoie...

Fan de WAM depuis ardent.com...

Ein sehr guttes Produkt...

La valoración del sistema es muy favorable...

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"Ausgezeichnetes Produkt. Einfach zu handhaben. Zuverlässig..."

"Ausgezeichnetes Produkt. Einfach zu handhaben. Zuverlässig. Ich bin sehr zufrieden mit dem Kauf dieses Produktes. Mit freundlichen Grüssen"

L. Sigrist, Dr. med. dent., Ostermundigen, Switzerland