Question

What are the percentages of inorganic and organic matter in enamel and dentin?

a) 95% inorganic, 5% organic
b) 70% inorganic, 30% organic
c) 50% inorganic, 50% organic
d) 30% inorganic, 70% organic

Answer 1

Enamel and dentin have different percentages of inorganic and organic matter.

Step-by-step explanation:

The percentages of inorganic and organic matter in enamel and dentin are:

• a) 95% inorganic, 5% organic

Enamel is the outer layer of the tooth and is made up of about 95% inorganic mineral matter and 5% organic matter. Dentin is the layer underneath the enamel and is also composed of about 70% inorganic and 30% organic matter.