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Why don't teeth count as bones?

The major resemblance between teeth and bones is what they're made of: hard tissue composed of minerals, such as calcium, ...
Fixing traumatic injuries to the skin and bones of the face and skull is difficult because of the many layers of different types of tissues involved, but now, researchers have repaired such defects in ...
MIDDLE EAST - DECEMBER 18: This skull, excavated from Jericho in Palestine, shows four trepanned holes. Trepanning was the ancient practice of cutting holes in the skull, probably with the intention ...
Researchers at Pennsylvania State University have developed a method to patch up injuries by 3D printing both hard and soft tissues at the same time, using two different “bioinks.” In tests on rats, ...