Crowns, Temporary
Maker
3M
Date
1960
Description
Polycarbonate temporary crowns. An elaborate plastic moulded box with white lid and black base. Lettering in top left read 'Dental Products 3M, overnight 10MR'. The box contains approximately 61 partitions, each of the smaller - 2.0 x 2.0 cm - containing hollow carbonate crown shells. The larger crowns on moulded strips are each stamped with a number. Boxes are also numbered. Crowns have a detachable numbered tag. There are an estimated 250-300 crowns.
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