- RC-Prep’s unique formulation of glycol, urea peroxide and EDTA in a special water-soluble base helps remove calcifications and lubricates the canal to permit more efficient instrumentation. - Whether you prefer finger or engine-driven instruments, RC-prep allows reamers and files to move easily without binding. - RC-Prep is also excellent for use with apex locators as it permits consistently reliable readings. **For further product information , please contact Chat Support**