The periodontium is the specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones. The word comes from the Greek terms περί peri-, meaning "around" and -odont, meaning "tooth". ... Alveolar bone proper. The answer is C
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You have to be nice and do whatever it takes.
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Kidneys couldn't work without the bladder because water couldn't leave the body
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