The human jaw is a precision instrument

The jaw consists of the upper jaw and the lower jaw. It is operated mainly by six different muscles. It allows hard foods like apples to be chewed and cracker to be crushed.

The precision of the alignment is such that 97% of all people’s top and bottom teeth are within 0.5mm of each other when their mouths are closed. Subsequently, their jaw joints are within 0.2-0.3mm of alignment. Their teeth can feel even items as thin as 0.1mm being slid between the upper and lower teeth.

Thus, because of this exactness, should a minor disruption in the alignment of the jaw (teeth, jaw joints, muscles) occur, as in an incorrect bite, the system will be thrown off balance.

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