Retentive mechanism that employs a frictional fit between the matrix and patrix components. External surface of the patrix mirrors the internal surface of the matrix and fits within the confines of the matrix for a frictional, passive fit.
Retentive mechanism that employs a frictional fit between the matrix and patrix components. External surface of the patrix mirrors the internal surface of the matrix and fits within the confines of the matrix for a frictional, passive fit.
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