陳錦松蔡光雄GIIN-SONG CHENGUANG-SHYONG TSAI2026-06-052026-06-051988https://203.71.86.71/handle/123456789/47387en-US北醫出版品北醫學報Retrograde Canal Preparation and Sealer Placement with Ultrasonics利用超音波器械做逆向根管修形與充填journal article