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.
Parts of Braces / Glossary. Anything that is attached to your teeth that moves your teeth or corrects your bite. The main wire that is attached to your brackets and runs from bracket to bracket. A thin metal ring, usually stainless steel, which serves to secure orthodontic attachments to a tooth.