• 2022-06-15 问题

    The ( ) keeps the tooth in<br/>place by securing it to the bone. A: crown B: bone C: periodontal ligament

    The ( ) keeps the tooth in<br/>place by securing it to the bone. A: crown B: bone C: periodontal ligament

  • 2022-06-15 问题

    The ( <br/>) keeps the tooth in<br/>place by securing it to the bone. A: crown B: periodontal ligament C: bone

    The ( <br/>) keeps the tooth in<br/>place by securing it to the bone. A: crown B: periodontal ligament C: bone

  • 2022-06-15 问题

    The<br/>( <br/>) keeps the tooth in place by securing it to the bone. A: crown B: periodontal ligament C: bone

    The<br/>( <br/>) keeps the tooth in place by securing it to the bone. A: crown B: periodontal ligament C: bone

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