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.
Schedule an Appointment (800) 579-3783. Braces are orthodontic devices that straighten teeth and correct improper bites. Braces work by gently applying continuous pressure to your teeth over a period of time (typically 6 to 30 months) to gradually move them into their ideal positions.