All the parents know that the constant teeth will replace the primary teeth of their children. However, very often the constant teeth start growing before the loss of the primary ones. The teeth start growing in two rows and it forms the abnormal bite. The so-called shark teeth kids can be seen here and there. Why does it happen so?
Normally, the germs of the constant teeth perform a pressing action upon the roots of the primary teeth. Their roots start dissolving under this pressure and become movable. Finally, they fall out themselves or the doctor removes them easily. But sometimes it happens so that they are located in the parallel planes. In this case, during the dentition of the constant tooth the pressure it occurs on the root of the primary tooth is not enough. In such cases, it grows near or above the primary one.
Dental retainer is the means of special correction treatment that help achieve the final result of the orthodontic treatment. Let us see why it is necessary and why braces are not enough. We all know that a tooth has a crown and a root. We can see the crown, but we normally cannot see the root if it is not baring because of some disease. The jaw is the bone, so naturally the tooth root is surrounded by the bone tissue. But the tooth has no hard fixation on it. There is a little space between the tooth and the bone, the so-called periodontal hole. It contains the ligaments that hold the tooth on its place, and also nerves and vessels that provide it with nutritive elements.
Veneers are the ceramic or composite micro prostheses that are set on the front surface of teeth. Usually they are used to improve the aesthetic look of the smile. Thus, they are applied on teeth that are visible in process of smiling. They make front teeth look straight, white and have correct shape. They do not cover the whole tooth surface, only front side and cutting part. Modern dentistry makes them look exactly as natural teeth. Still they have their pros and cons, so let us observe them all.