SAVE $69.95. Manufacturer Promotion: Purchase a Deep Margin Elevation Kit and Receive a Free Pack of 6.5 mm Dead Soft Matrices. Fax a copy of your invoice dated 1/10/23 - 31/12/23 to: Garrison Dental Solutions, Attn: Liz Kammers, 1-616-842-2430; or email a scanned copy of the invoice to ekammers@garrisondental.com with PMCA 1023OH in the subject line.