GETTING A UNIFORM SMILE IN SIZE AND COLOUR IS OUR SPECIALITY
Metal-free crowns and bridges are ideal solutions when the teeth suffer significant damage or fracture and cannot be solved with a veneer.
Unlike veneers, crowns only cover a part of the tooth, they can be placed over the entire piece, correcting aesthetic effects.
Metal-free porcelains reflect light in a similar way to natural teeth, so the appearance is totally the same, and the difference between them is not noticeable.
In this way, the grayish edges, close to the gum, so characteristic of crowns that have metal, are eliminated.
Years ago, metal crowns and bridges were used, but they caused side effects such as allergic reactions.
In our dental clinic in Tarragona we are committed to porcelain crowns and bridges without metal components.
Successful stories
“I have a very old prosthesis and I would like to change it because you can see the metal”
A 48-year-old patient comes to Clínica Curull because she was wearing very old ceramic-metal prostheses. With the passage of time, the gingiva had retracted and the metal of the prosthesis began to appear at the gingival margin, revealing a dark halo that was quite unsightly and unfit, favouring the formation of cavities and inflammation of the gingiva. This gingival inflammation and the anatomy of the denture teeth, along with the colour of the ceramic …
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Frequent Questions
When is a metal-free prosthesis indicated?
At Clínica Curull we try to ensure that all of our prostheses do not have metal, whether we have to change old prosthesesor make new prostheses for very deteriorated teeth. In any case, rather than placing a crown, we prefer to place an inlay, be it ceramic or composite, because it allows us to preserve healthier tooth structure. And rather than placing a bridge to replace missing teeth, we prefer to place an implant, which does not need to touch any neighbouring teeth.
Why do some crowns or bridges show a dark line in the area that touches the gum?
This only happens in prostheses that have metal under the ceramic. They are usually prostheses of an exaggerated thickness that, with the passage of time, cause a retraction of the gum and the unsightly metallic profile is exposed. In addition, the fact that it is made of metal means that the ceramic does not reflect light and its appearance is unnatural, sometimes similar to a piano key.
Are the prostheses that do not have metal as resistant as those that do?
Currently, we have materials such as zirconia and last generation ceramics that have great resistance to masticatory and occlusion forces. They are materials that are unlikely to fracture. This makes the thickness of this type of prosthesis much thinner and thus we do not have to excessively touch the teeth, as happened in the old prostheses that had metal.
