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As I hope you know, our office is strongly focused on achieving proper function of the chewing system, as well as straight, beautiful teeth. You may ask, "So what? Isn't that to be expected, after all, I've heard that orthodontics is supposed to correct the bite?" I'd like to clarify this, but first I need to define the components of the chewing system, and describe how they function when healthy.

The chewing system consists of the teeth, the two temporomandibular joints (just in front of each ear), and the muscles surrounding the teeth and joints.

Ideally, the muscles will position the ball of the temporomandibular joint all the way up into the socket of the joint. This is the healthiest and most stable joint position. Oftentimes however, the teeth are improperly positioned and get in the way, preventing this from occurring. This " interference" to normal function can cause breakdown and instability of the system, especially in the long run. It is possible, indeed common; to have straight teeth and a beautiful smile without having a properly functioning chewing system.

The teeth are dominant over the joints. The main goal of the brain is to chew food and nourish the body regardless of ill affects to components of the chewing system. So the nerves and muscles are profoundly programmed to direct the jaw to the best tooth fit, making it extremely difficult (often impossible) to identify any tooth-joint discrepancy by just looking at the bite. Thus, certain instruments and precautions must be used to truly identify (diagnose) and treat the problem.

If chewing system problems are not diagnosed and treated, over time they can cause many problems and injury to the components. However, with few exceptions, orthodontic schools focus solely on cosmetics and do not teach the principles of chewing system function - much less how to recognize and treat dysfunction. Many leaders in orthodontics do not believe function is important, for example a well known department chairman at a major U.S. university has said, "Orthodontics is purely a cosmetic service."

For an orthodontist to learn the function of the system, and how to deal with it in clinical work, he/she must take a special, post-graduate course. Though many have attended this course, most in the profession have not.

I wanted to explain this so you might better understand why we do some things that your friend's orthodontist may not do. For example, we mount study molds on an instrument called an articulator that is a critical tool in identifying the relationship between the teeth and jaw joints, and we may take joint x-rays (tomograms) so I can study joint health and integrity. Indeed, the entire practice of orthodontics is different if one is treating for function as well as cosmetics.

As you've no doubt surmised, I feel very strongly that orthodontics is both a cosmetic and a health service.
tooth esthetics:  
tooth shape, height to width proportions, color, size and contours.
smile esthetics:  
width of smile, fullness of smile, proper amount of gum tissue as well as position of gum tissue when smiling, curve of upper teeth with lower lip.
facial esthetics:  
facial harmony created by optimal positioning of the lips, upper and lower jaws and chin.
health of chewing system:  
developed by optimal position of the jaw joint in relation to the position of the teeth to each other when biting. This promotes stability in the jaw joint, supporting chewing muscles, and long term health of tooth structure and periodontal tissues.
long term stability:  
for all the above key factors. when these 5 key factors have been utilized in the development of an optimal comprehensive treatment plan for my patients, success is predictable and my team and I can be proud to have created a healthy and happy smile that will last a lifetime.

If you have questions regarding what I have said here, please don't hesitate to ask myself, or any of my staff members.

Thanks for being part of our "orthodontic family",

-Dr. Bryon Kozak
Kozak Orthodontics. 2011