In the late 1970s in northwestern Bulgaria, paleontologists found two obsidian-black teeth, one curved upper canine, and one upper pre-molar. Throughout the 1980s, paleontologist Ivan Nikolov ...
Most adults have 32 teeth. Different groups of teeth are used to process food in various ways. For instance, molars are used to grind food, while incisors are used to bite it. Your teeth are also ...
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