What is the role of arch

Sept. 28, 2011 - PRLog -- Red meat on the gums, teeth, arranged in order along the alveolar arch, which is called the arch. In the arch, the tongue was sufficient space, free to play their mix of food to help swallowing function, also play an important role in supporting pronunciation.

Various types of teeth, arranged in strict order on the arch above the battle under the clamp bite, guard the entrance digestive tract. Incisors at the front entrance of the food was first cut into sections; canine dental arch is located in the corner, tore the toughness of the food; premolar in the canine, which continues to tear and mashed food; defensive front teeth arch end, and makes a grinding has been mashed food.

Were closely spaced teeth, an integral whole arch like a "long chain." A tooth chewing force may be due to close contact between the teeth, in turn passed to the pressure adjacent teeth, and instantly disappeared into the arch, so that any tooth arch can withstand several times beyond its own heavy loads. If the lack of teeth, the arch will feature a 22% reduction; missing two teeth, dental arch function reduced by nearly half; if the lack of three teeth, the dental arch features only 37%, almost "across the board collapse. " Dental arch and teeth is an important factor in the formation of voice and facial expression. An intact arch, hold up the cheeks and lips, so that the child's plump little cheeks look delicious profit. If the arch incomplete, it will collapse cheeks, chin, taper, showing an emaciated appearance of premature aging. Arch shape is usually coordinated with the person's face shape. Circular arch side who face shape adult large; round by a narrow arch, face long and narrow. Course, this phenomenon is not absolute, in the developing dental arch affected by the environment will change.
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Cause of tooth development disorder:http://dentalcare365.blogspot.com/2011/09/cause-of-tooth-...