title: The ProFile system.
abstract: The ProFile instruments were among the first nickel-titanium (NiTi) instruments to be marketed. This article describes the unique file design, clinical performance, safety concerns, and clinical applications of this system. Guidelines for NiTi rotary instrument usage need to be followed to minimize complications and maximize benefits.
authors.affiliation: Private Practice, 11F, No. 9, Lane 81, Chung-shan N. Road, Sec. 7 Shihlin District, Taipei 111, Taiwan. yyhsutw@yahoo.com.tw
authors.forename: Yeung-Yi
authors.initials: YY
authors.lastname: Hsu
authors.forename: Syngcuk
authors.initials: S
authors.lastname: Kim
mesh_terms: D003722:Dental Alloys / Q000737:chemistry; D003786:Dental Pulp Cavity / Q000473:pathology; D004867:Equipment Design; D006801:Humans; D009532:Nickel / Q000737:chemistry; D018915:Root Canal Preparation / Q000295:instrumentation* / Q000379:methods; D014025:Titanium / Q000737:chemistry
chemical_list: D003722:Dental Alloys; C040654:titanium nickelide; D009532:Nickel; D014025:Titanium