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Etymology: OFr, bloc + AS, ūt
in dentistry, elimination in a cast of undesirable undercut areas by filling them in with a suitable material, usually wax; this includes all areas that would offer interference to placement or removal of the denture framework and those not crossed by a rigid part of the denture. A blockout creates a common path of insertion.
n the elimination of undesirable undercut areas on a cast to be used in the fabrication of a removable denture. Also known as