Acute Management of an Avulsed Permanent Tooth

Board takeaway

For an avulsed permanent tooth, screen for major medical injury, handle the crown, replant promptly when feasible, and obtain immediate dental care.

• If immediate replantation is not feasible, protect the tooth in a suitable storage medium.

After replantation, root maturity changes the endodontic plan: closed apex → begin root canal treatment within two weeks; open apex → monitor for revascularization and treat definite pathology promptly.

• Both need stabilization, home care, and follow-up.
• Use the full avulsion guideline for dry-time prognosis and the more detailed recall schedules.

Decision map: act first, refine the plan next

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• Act first: do not delay immediate care to record dry time and storage; gather the history while arranging care.
• Storage: milk, HBSS, saliva collected in a container, or saline when immediate replantation is not possible.
• Prognosis: prolonged dry time worsens the outlook but does not automatically rule out replantation.
• Suitability: assess medical status, cooperation, and local factors.

Use the permanent avulsion guideline for the full treatment and follow-up pathways, and the primary-trauma guideline for the primary-tooth exclusion.

At the injury site

1. Loss of consciousness, neurologic impairment, or another major medical concern warrants medical attention.
2. Gently rinse the avulsed tooth with milk, saline, or saliva; avoid touching the root with fingers.
3. Replant the tooth if possible.
4. If replantation cannot be performed, place the tooth in a physiologic medium: milk, Hank's Balanced Salt Solution (HBSS), saliva, or saline.
5. Seek dental treatment immediately, including when the tooth has already been replanted.

Dental arrival: assessment and documentation

• Perform a general neurologic assessment; the chart points to AAPD's separate traumatic-injury assessment/documentation resource.
• Review the medical history, tetanus immunization status, and injury circumstances.
• Complete clinical and radiographic examinations; consider photographs.
• Evaluate for possible abuse.
• For a tooth that has neither been replanted nor kept in physiologic medium: gently remove visible contamination with saline, milk, or HBSS, then keep it in physiologic medium.
• Establish whether replantation has already occurred. This determines the next procedural branch.

Replantation and position

Already replanted before arrival

• Confirm tooth position clinically and radiographically.
• Reposition when necessary, then proceed to stabilization.

Not yet replanted

• Provide local anesthesia, considering a block technique and an anesthetic without vasoconstrictor. The chart presents these as considerations.
• Gently irrigate the socket with sterile saline to remove the clot.
• Replant slowly and gently, then proceed to stabilization.
• Explain that prior storage affects prognosis; do not promise equivalent outcomes after dry and physiologic storage.

Stabilization and shared postoperative care

• Use a passive, flexible wire or nylon fishing line bonded with composite.
• Arrange the splint so the area remains accessible for cleaning.
• Fracture exception: an alveolar or jaw fracture requires a more rigid splint.
• Prescribe a seven-day antibiotic course. The chart gives amoxicillin or penicillin as examples and calls for an alternative with penicillin allergy.
• Doxycycline is described as having antibacterial, anti-inflammatory, antiresorptive, and anti-osteoclastic effects. This statement is not a complete patient-selection or dosing protocol.
• Prescribe chlorhexidine rinse twice daily for two weeks.
• Refer to a medical professional for a tetanus booster when needed.
• At two weeks, remove the splint unless a bony fracture changes the plan, and verify stability.

Open apex: >1 mm

• At the two-week visit, assess clinically and radiographically for pulpal revascularization, infection, pulp necrosis, and root resorption.
• Begin pulpal revascularization treatment, apexification, or root canal treatment as soon as definite clinical and/or radiographic pathology appears.
• Do not apply the closed-apex automatic two-week root canal deadline to this branch.
• Arrange frequent early reassessment; every four weeks is the chart's example, rather than its only permitted interval.
• The open-apex page does not provide a complete long-term follow-up schedule or criteria for choosing among the three endodontic options.

Closed apex: < 1 mm

• Initiate root canal treatment within two weeks after replantation; calcium hydroxide is given as an example within the endodontic management instruction.
• Remove the splint at two weeks and confirm stability unless there is a bony fracture.
• A rigid splint for bony fracture remains for four weeks, explicitly stated in this pathway.
• Follow up at one, three, six, and twelve months, then annually for five years.

Common board traps

Answer aloud

A caregiver calls with an avulsed permanent tooth. What do you say first?

Screen for major medical injury, then replant promptly if safe and feasible and obtain immediate dental care.

• Handle the crown; gently rinse with milk, saline, or saliva without touching the root.
• If replantation is not feasible, use milk, HBSS, saliva in a container, or saline; do not let the root dry.
• Medical concerns such as loss of consciousness take priority.
• Never replant a primary tooth; immediate dental review is needed even after successful replantation.

How does root maturity change endodontics after permanent-tooth avulsion?

Closed-apex teeth need root canal treatment within two weeks; open-apex teeth are monitored for revascularization and treated promptly when definite pathology develops.

• Both pathways require stabilization, home care, and follow-up.
• The resource labels open >1 mm and closed < 1 mm; exactly 1 mm is unclassified. Resolve root maturity rather than invent a boundary rule.

What changes when an alveolar fracture accompanies permanent-tooth avulsion?

Use a more rigid splint and retain it beyond the routine two-week removal visit.

• The closed-apex chart specifies four weeks for a bony-fracture splint.
• Without fracture, use passive flexible stabilization and remove at two weeks after confirming stability.
• Keep the splint area accessible for cleaning.

What shared postoperative care does the AAPD avulsion chart specify?

Provide antibiotics, chlorhexidine, tetanus assessment, and scheduled clinical/radiographic follow-up.

• Seven-day antibiotic course; amoxicillin or penicillin are examples, with an alternative for allergy. The chart does not supply doses.
• Chlorhexidine rinse twice daily for two weeks; the full guideline specifies 0.12%.
• Refer for tetanus booster assessment when needed.
• Open-apex early review is frequent, with every four weeks an example; use the full guideline for detailed long-term schedules.