Dental cavities are breakdowns in the tooth structure caused by the common occurance of tooth decay. Dental cavities can be prevented. (See also Preventive Care and Baby Bottle Tooth Decay.
Most dental cavities are discovered in the early stages during routine checkups. The surface of the tooth may be soft when probed with a sharp instrument. Pain may not be present until the advanced stages of tooth decay. Dental x-rays may show some cavities before they are visible to the eye.
Destroyed tooth structures (dental cavities) do not regenerate. However, the progression of dental cavities can be stopped by treatment. The goal is to preserve the tooth and prevent complications.
In filling teeth, the decayed material is removed and replaced with a restorative material. Porcelain and composite resin more closely match the natural tooth appearance, and may be preferred for this reason. Modern composite resins are both strong, durable and make a more attractive filling material.
Dental crowns are used if decay is extensive and there is limited tooth structure, which may cause weakened teeth. Large fillings and weak teeth increase the risk of the tooth breaking. The decayed or weakened area is removed and repaired. A covering jacket or "cap" (dental crown) is fitted over the remainder of the tooth.
