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.
From the beginning, rubber bands were used in orthodontics to transmit force from the upper arch to the lower. These are termed inter-arch elastics. Dental braces work well with rubber bands as rubber bands help with making sure that a bite can be corrected and the jaw can be put into its right place.ther than inter-arch elastics, small rubber bands that are used to surround your braces are called elastic ligatures. These replace wire ligature ties to hold arch wires in the brackets in many applications, and can also be used to apply a force to close spaces within the arches. There are 2 types of elastic ligatures: