A reproduction of the opposite arch is necessary because occlusion should be considered when designing an indirect restoration
Dental restoration involves using dental implants, bridges, crowns, etc. to replace any damaged tooth or improve the state of a remaining tooth. This restoration is indirect when the pieces required are made outside the mouth and are later placed in the patient.
Indirect restoration implies using impressions of the mouth and teeth because these are used to create each of the pieces for the restoration. Moreover, it is necessary to make a reproduction or impression of the opposite arch that is the teeth and gum of the opposite side.
This is essential because of dental closing or the way each tooth in the superior jaw fits with its opposite in the inferior jaw. Making an impression of the arch will guarantee there is not any negative change in the dental closing.
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