Amalgam restorations Amalgam is an excellent material for dental restorations. It is a non-color tooth material with a silver-black color, which is an alloy made of a combination of mercury, silver, tin, copper and zinc, which are combined with different percentages. It has been used by dentists around the world for more than a hundred years. Before the discovery of amalgam, materials such as wood chips, stone and tree gum, lead, gold and silver were used to fill teeth.
To make and fill teeth with amalgam, the dentist uses a device called an amalgamator. The job of the device is to mix liquid mercury with other constituents of amalgam, which is placed inside a capsule. Be.
Is amalgam toxic?
There has always been much debate about the toxicity or non-toxicity of amalgam due to the presence of mercury in it. It does not affect public health. However, the use of amalgamation is limited in some European countries, including Sweden, Finland and Norway.
Advantages of using amalgam:
The biggest advantage of amalgam is its strength and durability for a long time. For this reason, dentists use amalgam to fill Asian teeth, wide fillings or in people with bruxism who have severe tooth wear. Amalgam has a minimum lifespan of ten years. Some cases can last for decades. Due to its properties, amalgam also fills all the fine seams of the tooth and prevents the penetration of bacteria and germs into the tooth.
Disadvantages of using amalgam:
The most important disadvantage of amalgam is that it is not the same color as the tooth and its unpleasant appearance for patients. Some patients, although the dentist emphasizes that depending on the condition of the tooth must be Repair With amalgam, they refuse it simply because of cosmetic problems, and prefer composite restorations.
Due to its conductive properties, amalgam transmits cold and heat better, and rarely in some patients, more sensitivity is reported when consuming cold foods and drinks, which, of course, disappears after a while.
Due to all the above, the disadvantages and advantages of amalgam and composite The final decision on choosing the type of material is the responsibility of the dentist.
Many amalgam repairs are a matter of taste and replacement is a wrong choice, and since replacing amalgam repairs requires cost and time, it is not morally correct if it is not necessary.