Recovery of contact point using various proximal restoration system

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  • 各種隣接面修復システムによる接触点回復状態

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Four proximal restoration systems (NEW: a system using a prefabricated composite resin inserter for proximal plane, CON: a conventional method using a plastic matrix and wedge (CON), VRS: V-shaped ring system (GC), OPT: a modified metal matrix with the Tofflemire retainer (Ivoclar Vivadent)) were evaluated using a contact recovery evaluation device which could monitor the pressure to the proximal plane. The pressure during a 50 μm contact gage insertion (PR) was evaluated. The PR of NEW and VRS were significantly greater than those of CON and OPT. These results suggest that the contact recovery situations are different among these systems.

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