A STUDY ON COMPARISON OF STAINLESS STEEL, NICKEL-TITANIUM HAND, NICKEL-TITANIUM ENGINE-DRIVEN FILE INSTRUMENTATION USING COMPUTED TOMOGRAPHY (수동형 Stainless Steel, Nickel-Titanium 및 엔진 구동형 Nickel-Titanium File의 근관형성 능력에 관한 비교 연구)
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- Restorative Dentistry and Endodontics
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- v.23 no.1
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- pp.391-400
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- 1998