title: Simulated root resorption: a new study model.
abstract: BACKGROUND
  The aim of this innovative study was to regenerate a condition that makes it possible to carry out researches in the field on a variety of resorption.
  
  
  METHODS
  In order to develop apical resorption, the root canals of selected teeth were instrumented and then drilled with #4 Gates Glidden drills. In the next stage, the teeth were submerged in melted rose wax up to 3 mm to the apex. The waxed teeth were submerged in 20% sulfuric acid for 4 days. After that, all samples were evaluated under stereomicroscope and also the SEM.
  
  
  RESULTS
  Images showed areas with different pattern of resorption in root apex and entire root canals in all samples.
  
  
  CONCLUSIONS
  Simulation of the root resorption can be helpful in many experimental studies.
authors.affiliation: Department of Endodontics, Dental Research Center, Faculty of Dentistry, Mashad University of Medical Sciences, Mashad, Iran.
authors.forename: Jamileh
authors.initials: J
authors.lastname: Ghoddusi
authors.forename: Saeed
authors.initials: S
authors.lastname: Asgary
authors.forename: Masoud
authors.initials: M
authors.lastname: Parirokh
authors.forename: Mohammad Jafar
authors.initials: MJ
authors.lastname: Eghbal
authors.forename: Mahdi
authors.initials: M
authors.lastname: Vatanpour
authors.forename: Fatemeh
authors.initials: F
authors.lastname: Shahrami
keywords: Dental Model; Root Resorption; Simulation