Üvegionomer

Üvegionomer, also known as glass ionomer cement, is a type of dental restorative material that has been used in dentistry for over four decades. It is composed of a mixture of powder and liquid, which react with each other to form a solid material. The powder typically contains a glass-forming oxide, such as fluorosilicate or fluoroaluminate, and the liquid contains a polyacid, such as itaconic acid. When the powder and liquid are mixed, the polyacid reacts with the glass-forming oxide to form a solid material that is both strong and biocompatible.

Üvegionomer has several advantages over other dental restorative materials. It has a high compressive strength, which makes it suitable for use in posterior teeth. It also has a low solubility, which means it is less likely to be dissolved by saliva. Additionally, üvegionomer has a high fluoride release, which can help to prevent tooth decay.

However, üvegionomer also has some disadvantages. It has a lower flexural strength than other dental restorative materials, which makes it less suitable for use in anterior teeth. It also has a lower wear resistance, which means it may wear down more quickly than other materials. Additionally, üvegionomer can be more sensitive to temperature changes than other materials, which can cause it to expand or contract.

Üvegionomer is typically used in dentistry for the restoration of posterior teeth, such as molars and premolars. It can be used to fill cavities, to repair cracked teeth, or to bond teeth together. It can also be used to seal teeth that have been prepared for crowns or bridges. Üvegionomer is available in a variety of shades, which allows it to be matched to the natural color of the tooth.