INBDE (Integrated National Board Dental Examination) Practice Exam

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EDTA dissolves what type of matter?

Organic
Inorganic
Metallic
Fibrous

The correct answer is: Inorganic

EDTA (Ethylenediaminetetraacetic acid) is a chelating agent commonly used in dentistry to remove inorganic substances such as calcium and magnesium from the surfaces of the teeth. It is particularly effective in removing inorganic matter like calcium oxalate crystals and calcified tissue debris. Therefore, the correct answer is B: Inorganic. Organic matter, metallic substances, and fibrous materials are not specifically targeted by EDTA for dissolution, making them the incorrect choices in this question.