| 摘要 |
Methods and related apparatus for positioning and aligning any portion of the dento-facial region of a person. In one embodiment the method includes (a) providing or measuring any aspect of one or more alignment appliances to a person; (b) casting a shadow or making a mark on one or more areas of the dento-facial region of the person or the one or more alignment appliances in close proximity to one or more areas of the dento-facial region of the person with one or more light sources or marking devices; (c) measuring and analyzing data regarding one or more of the size, shape, length, and position of the one or more shadows or marks relative to other shadows or marks, one or more areas of the dento-facial region of the person or the one or more alignment appliances to obtain data; and (e) adjusting or replacing the alignment appliance or modifying the dento-facial alignment treatment plan of the person to align one or more areas of the dento-facial region of the person.
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