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How Orthotics Are Made

While orthotics can be made in several different ways, most physicians prefer to make a plaster cast of the patient's foot. This is called a negative impression. The cast is sent to a laboratory with a prescription for recommended modifications. At the lab, a positive cast is made by pouring plaster into the negative cast. When this dries and is removed, it forms a perfect reproduction of the bottom of the foot.

Using the physician's recommendations for corrections,...Read the full article