Effect of repetitive up-and-down movements on torque/force generation, surface defects and shaping ability of nickel-titanium rotary instruments: an ex vivo study

• Glavni autori: Moe Sandar Kyaw (Autor), Arata Ebihara (Autor), Yoshiko Iino (Autor), Myint Thu (Autor), Keiichiro Maki (Autor), Shunsuke Kimura (Autor), Pyae Hein Htun (Autor), Takashi Okiji (Autor)
• Format: Knjiga
• Izdano: BMC, 2024-08-01T00:00:00Z.
• Teme: article
• Online pristup: Connect to this object online.

Abstract Background The screw-in effect is a tendency of a nickel-titanium (NiTi) rotary endodontic file to be pulled into the canal, which can result in a sudden increase in stress leading to instrument fracture, and over-instrumentation beyond the apex. To reduce screw-in force, repeated up-and-do...