Drag the dentition features to show which ones are similar between humans and nonhuman primates and which ones are different. different: thickness of enamel - Nonhuman apes have thin enamel to help with processing soft fruits and plants. In contrast, humans have thick enamel for crushing a variety of foods. shape of canines - Humans do not hone their canines, while nonhuman apes have a honing complex that produces sharp, shearing canines. similar: molar morphology - Apes and humans have the same number of premolar and molar cusps to crush and slice food.