EFDA Practice Questions with correct answers

EFDA Practice Questions with correct answers In the Federation Dentaire International System for numbering, the first number represents a _________, while the second number represents a _________. -Correct Answer-quadrant, tooth What is the visible portion of the anatomical crown known as? -Correct Answer-the clinical crown The area where the roots divide -Correct Answer-furcation The point or area where approximating teeth in the same arch touch or meet each other is referred to as the ________. -Correct Answer-contact area Where are the TWO purposes of contact areas? -Correct Answer--to keep food from packing between the teeth -help stabilize the dental arches Coronal to the actual division into two or more roots is a concavity that extends to or nearly to the CEJ. This concavity is called -Correct Answer-the furrow What is the HARDEST tissue in the body? -Correct Answer-enamel What cells form enamel? -Correct Answer-ameloblasts The bulk of the tooth is made up of -Correct Answer-dentin In permanent teeth, the process of enamel formation is completed about ___ years before eruption. -Correct Answer-3 What is the composition of enamel? -Correct Answer-95% inorganic matter, 5% organic matter and water What is the SECOND hardest material in the body? -Correct Answer-dentin