Consider the following examples of two different types of statistical investigations. Example 1 Radio rating services sometimes collect data on listenership by asking participants to record the date, time, and station each time they listen to the radio.
Popular types of invisible braces include ceramic brackets, inside braces and clear aligners. Ceramic braces are just like metal braces, except that they use tooth-colored brackets (and sometimes tooth-colored wires) rather than metal to straighten teeth.
Rubber Bands for Braces. Rubber bands, or elastics, are generally used to help improve how teeth fit together. They are also often used to help close spaces, or make sure spaces are closing in the right direction, and improve cross-bites and midlines. They are simply small rubber bands that are attached to the braces. They are attached by the patient to little hooks that are a part of the braces.