Dental The Canary System is able to measure defects in the tooth crystal structure with the effective probing volume of an area of: A 1.5 mm in diameter and up to 5 mm below the tooth surface B 2 mm in diameter and up to 5 mm below the tooth surface C 1.5 mm in diameter and up to 4 mm below the tooth surface D 2 mm in diameter and up to 4 mm below the tooth surface 💡 Explanation The Canary System is able to measure defects in the tooth crystal structure with the effective probing volume of an area of: ✓ Correct Answer: A. 1.5 mm in diameter and up to 5 mm below the tooth surface