Apex Locator Flashcards
How apex locator use to locate
the Apical foramen?
by determining the
Apical constriction AC or
Cementodentinal junction
Components of Electronic Apex Locators
A- Lip clip B- File clip C- Electronic device• D- Cord which connects above three parts
Resistance Apex locators are what generations and they are called what?
First, and they are called Sonoexplorer
When first generation apex locators give false readings?
in the presence of Blood, pus, chelating agents, irrigants in the root canal.
Which generation works on the principle of impedance?
2nd generation
A major disadvantage of second generation apex locator is what ?
that root canal has to be free of
electro-conductive materials to obtain accurate readings.
What are Frequency dependent
apex locators ?
They are 3rd generations
Examples on third generation?
Endex ⦿ Root ZX ⦿ Neosono Ultima ⦿ Mark V plus ⦿ Justwo or Justy II ⦿ Apex finder A.F.A
