I had a great doctor who was my Orthodontics when I was a child. 
I would like to think so, after all Orthodontics have been around for more than 2000 year!
Yes, and they have made great advancements in the technology of orthodontics. 
That is correct, since Orthodontics is directly involved with it's origins in medicine there have been enormous advancements in the century.
As a child I can remember how much pain I was in the tightening process of Orthodontics with rubber bands.
Dental braces
Dental braces (also known as braces, orthodontic cases, or cases) are devices used in orthodontics that align and straighten teeth and help position them with regard to a person's bite, while also aiming to improve dental health. Braces also fix gaps. They are often used to correct underbites, as well as malocclusions, overbites, open bites, deep bites, cross bites, crooked teeth, and various other flaws of the teeth and jaw. Braces can be either cosmetic or structural. Dental braces are
Orthodontics
Etymology.
"Orthodontics" is derived from the Greek "orthos" ("correct", "straight") and "-odont" ("tooth").
History.
The history of orthodontics has been intimately linked with the history of dentistry for more than 2,000 years. Dentistry had its origins as a part of medicine. According to the American Association of Orthodontists, archaeologists have discovered mummified ancients with metal bands wrapped around individual teeth.
Malocclusion is not a disease, but abnormal alignment of