[vc_row css_animation="" row_type="row" use_row_as_full_screen_section="no" type="grid" angled_section="no" text_align="left" background_image_as_pattern="without_pattern" z_index=""][vc_column width="1/6"][/vc_column][vc_column width="2/3"][vc_column_text] Tooth decay was low in pre-agricultural societies, but the advent of farming society about 10,000 years ago correlated with an increase in tooth decay (cavities). An infected tooth from Italy partially cleaned with flint tools,...