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. 2012 Jul 8;13(1):36–42. doi: 10.1007/s13191-012-0140-y

Table 1.

Gingival retraction systems tested

Retraction systems Composition Manufacturer
Stay-put Copper-wire reinforced retraction cord Roeko, Coltene/Whaledent Inc, Cuyahoga Falls, Ohio
Expasyl Aluminum Chloride retraction paste Kerr corporation, Orange, California
Magic foam cord Expanding type of Polyvinyl Siloxane Coltene/Whaledent Inc, Cuyahoga Falls, Ohio