Fast facts about braces

Millions of Americans are currently wearing orthodontic braces. Braces position teeth correctly for comfort and functionality, and a well-aligned smile can improve self-esteem and confidence. Braces are so commonplace that people may not think twice about them. But the field of orthodontics and the effectiveness of braces merits more attention.

· Braces use a biomechanical process called "bone remodeling" to move teeth. Gentle, constant pressure is placed on teeth, which causes them to shift in the periodontal ligament that holds the teeth to the sockets in the jaw.

· Pierre Fauchard is known as the father of modern dentistry. He made the first set of braces in 1728, which were comprised of a flat piece of metal connected to the patient's teeth with thread. Brackets were first introduced in 1915 by dentist Edward Angle. The first brackets were made from gold.

· Thank the scientists at NASA for helping to innovate braces further. The heat-resistant metal alloy nickel that they developed for shuttles proved perfect for making flexible wires for braces.

· Depending on where you live, the average cost for braces, according to the oral health company Oral B, is anywhere from $3,000 to $10,000. The price hinges on various factors, including which type of braces patients choose. Traditional braces, ceramic braces, lingual braces, or Invisalign® systems are among the options patients can choose from.

· Archaeologists have discovered that Ancient Egyptians had interest in straightening teeth. Makeshift "braces" using animal intestines wrapped around the teeth have been found on ancient mummies.

· Orthodontists are dentists who specialize in orthodontic work. That requires an additional two to three years in an orthodontic residency program after dental school.

· The American Association of Orthodontics recommends children visit an orthodontist for a consultation as early as age seven. Certain orthodontic care at a young age can ensure children will not have to wear braces as adolescents or adults.

· Despite what has been portrayed on television, it is impossible to "lock" braces while kissing another person with braces. Rest assured that braces also will not set off metal detectors or interfere with radio signals.

· Approximately 25 percent of people who have previously worn braces will have to get them again due to failure to wear a retainer, advises Burrow, Welchel & Culp Orthodontics in South Carolina. Retainer usage is vital to keeping teeth straight.