Tour results indicate that the difference between enamel and dentin hardness has. nothing to do with the content of Na, Cl and Mg, but the percentage of organic and inorganic. materials in enamel and dentin. Keywords: microhardness, chemical composition, human tooth, enamel, dentin. 1. Introduction.
Medical Definition of metastatic. 1  1: of, relating to, or caused by metastasis cutaneous metastatic disease as the first sign of lung cancer metastatic carcinoma metastatic spread. 2  2: tending to metastasize metastatic cancer cells metastatic prostate cancer.
What is metastasis? Metastasis is a word used to describe the spread of cancer. Unlike normal cells, cancer cells have the ability to grow outside of the place in the body where they originated. When this happens, it is called metastatic cancer.