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The linear shrinkage and microhardness of packable composites polymerized by QTH or PAC unit.

• Sung-Ho Park, Byng-Duk Noh, Yong-Sik Cho, Su-Sun Kim
• Operative dentistry
• 2006

This study evaluated the effectiveness of a plasma arc curing (PAC) unit for packable resin composite curing. The amount and speed of polymerization shrinkage and the microhardness of packable… (More)

Curing units' ability to cure restorative composites and dual-cured composite cements under composite overlay.

• Sung-Ho Park, Su-Sun Kim, Yong-Sik Cho, Chang-kyu Lee, Byng-Duk Noh
• Operative dentistry
• 2004

This study compared the efficacy of using conventional low-power density QTH (LQTH) units, high-power density QTH (HQTH) units, argon (Ar) laser and Plasma arc curing (PAC) units for curing… (More)

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