title: An anti-zipping preparation system (method and instrument) for curved root canals: a preliminary report.
abstract: A new instrument and method of preparation of curved canals, with which preparation effects such as "zips" and "elbowing" at the apical third can be easily eliminated, is described. The new system was designed to incorporate requirements previously established during clinical and laboratory experiments.
authors.affiliation: Department of Conservative Dentistry, Johannes Gutenberg University, Mainz, Germany.
authors.forename: B B
authors.initials: BB
authors.lastname: Marroquin
mesh_terms: D003786:Dental Pulp Cavity / Q000033:anatomy & histology; D006801:Humans; D008953:Models, Anatomic; D018915:Root Canal Preparation / Q000295:instrumentation / Q000379:methods*