tianasmith tianasmith

05-12-2018
Health

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Which of the following describes the periodontium? A. The roof of the mouth, divided into a soft and a hard portion B. The portion of teeth visible above the gum line. C. The bone and tissue structures that protect teeth. D. The outer covering of teeth, the hardest substance in the human body.

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JJDUCOTE JJDUCOTE

05-12-2018

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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