How long should reimplantation be attempted for a knocked-out tooth if possible?

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Multiple Choice

How long should reimplantation be attempted for a knocked-out tooth if possible?

Explanation:
When a tooth is knocked out, the chance of saving it depends on keeping the root’s periodontal ligament cells alive. Those cells stay viable for about 60 minutes after the tooth comes out, especially if the tooth is kept moist. Reimplanting within an hour gives the best chance for the tooth to reattach and heal. Beyond that window, the cells die off, and the likelihood of successful reattachment drops significantly. So the correct timing is within 60 minutes. If you can’t reinsert immediately, store the tooth in a suitable liquid (like milk or saline) and seek urgent dental care.

When a tooth is knocked out, the chance of saving it depends on keeping the root’s periodontal ligament cells alive. Those cells stay viable for about 60 minutes after the tooth comes out, especially if the tooth is kept moist. Reimplanting within an hour gives the best chance for the tooth to reattach and heal. Beyond that window, the cells die off, and the likelihood of successful reattachment drops significantly. So the correct timing is within 60 minutes. If you can’t reinsert immediately, store the tooth in a suitable liquid (like milk or saline) and seek urgent dental care.

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