Dentalnews (en)

A crown/inlay is broken – what needs to be done?

If a crown or an inlay-we are talking about a technical work (because it is made by a technician), brakes it is no longer available for a long term recement.

–

Friction loss between work and tooth/tooth stump is the reason of a loss of technical work.
Friction loss can have many reasons:

1.) Bad polishing
2.) Secondary cavity leads to a crash of walls/tooth stump
3.) Fissures which are innately large-cementfissure due to bad fitting crowns/inlays and thus elution of cement
4.) Root/tooth stump fracture
5.) Combinations of all factors

–

Further cementation can stabilize the crown, but only for a short time:

1.) If a tooth stump is polished badly the cement gup will be overloaded and this will result in a loss of the technical work.

2.) Cavity will not be removed by cementing. Cavity grows steadily until the tooth will rot out.

3.) Cement gets lost on a wrong dimensioned crow.

That´s why a lost crown/inlay must not be re-inserted but re-done. Or..

1.)    It must be re-polished for a better fit

2.)    The cavity has to be removed

3.)   The crown have to be tight

and then a new crown/inlay has to be made!

Make sure you are being informed of all the pros and cons so, please, feel free to ask questions!

Crown materials, crown costs, crown pain-a common topic!Does the material play a role in pricing?
No! Are there differences in materials regarding longevity?
No!

 Do crowns cause allergies?
No!
–
Cost of a dental crown

The price area of the material is minor, as well as the consumption; only few grams are needed per crown. Consequently, differences between prices up to 100 € are not explicable. Everybody who is asking more money is trying to take advantage of you! Differences between prices play a role when it comes to aesthetic. It makes a difference if the technician is making 10 crowns or just one crown per hour!

–

Crown materials
A crown´s lifetime doesn´t depend on the material, but the fringe-tightness and thus the precise work of the dentist. Every material used in the dental industry has a shelf period, which is much longer than a human life. More on this in the video tangent cut, step cut and crown. Each material used in Europe is inspected precisely, otherwise they must not be manufactured.

–

Crown pain

The crown is isolated from the tooth stump by a thin cement shift. Usually the ceramic is oral. Only immunocompetent cells cause allergic reactions! Neither in the tooth stump nor in the cementfissure are immunocompetent cells, so no allergic reaction is possible! Bleeding gums, a cauterisation in the mouth, or recession of the gums are not an indication of an allergy, but usually an indication of leaking crown edges, or consequent periodontitis.

There are still dental professionals who use the old and wrong name for a periodontal disease – parodontosis. The correct name is periodontitis.

–
In former times bacteria couldn´t be proven because of wrong techniques-this was called parodontosis. In the last 25 years it is known that inflammation of the periodontum is caused by bacteria, and the proper name is periodontitis.
–
–
Periodontitis therapy starts with the right diagnosis: periodontitis is not treatable! It doesn´t matter whether it is an agressive or chronic periodontitis.
–
First the dentist collects all the data, then an initial therapy takes place. After 8 weeks new results will be ascertained and the final thearpy will be set. More on this in the video periodontitis!
–
It is wrong to choose one of the following for an initial therapy; however they might be beneficial in the later maintenance phase.

• laser
• saliva test
• antibiotics