INBDE (Integrated National Board Dental Examination) Practice Exam

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What material dissolves inorganic material during cleaning canal?

chloroform
bleach
EDTA
eugenol

The correct answer is: EDTA

When using a chlorine bleach for cleaning, the chlorine may be corrosive when reacted or mixed with other materials including EDTA. Eugenol, an oil extracted from cloves, is often used in dentistry but is not effective for dissolving inorganic material. Chloroform is a solvent that can dissolve organic materials but is not typically used for cleaning canals. Therefore, the best choice for dissolving inorganic material during cleaning canal is C EDTA.