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The Complete Guide to Dental Emergencies: What to Do When

This is the canonical Glisten Dental guide to dental emergencies, written for patients in Gilbert, Mesa, Glendale, and the Phoenix metro. Every kind of dental emergency you’re likely to encounter — what to do in the first 30 minutes, when to go to an ER instead of a dentist, what treatment looks like, and how to think about cost. Bookmark this page. Last updated 2026.

Table of contents

  1. First: is it an emergency room situation?
  2. The three urgency levels
  3. Knocked-out tooth — the most time-sensitive emergency
  4. Severe toothache
  5. Dental abscess
  6. Chipped, cracked, or fractured tooth
  7. Lost filling or crown
  8. Wisdom tooth pain
  9. Bleeding gums and gum emergencies
  10. Jaw pain and trauma
  11. Post-operative emergencies
  12. Pediatric emergencies — what’s different
  13. First-aid kit for home and car
  14. Cost of emergency dental care
  15. Frequently asked questions

1. First: is it an emergency room situation?

Before anything else, rule out the scenarios where a dental office cannot help you and an ER can. Go to a hospital ER now — not a dentist, not urgent care — if you have:

  • Difficulty breathing or swallowing from facial or throat swelling
  • Swelling spreading down the neck or up toward the eye — signs of deep-space infection
  • Fever over 101°F combined with dental infection
  • Uncontrolled bleeding that won’t stop after 20-30 minutes of continuous firm pressure, especially if you’re on blood thinners
  • Suspected jaw or facial fracture — inability to close teeth together, visible asymmetry, severe pain with jaw movement
  • Head injury alongside dental trauma, with loss of consciousness or altered mental state
  • Chest pain with jaw pain — possible cardiac event, especially in adults, especially on the left side
  • Signs of sepsis — rapid heartbeat, confusion, extreme fatigue alongside infection

ERs stabilize you with IV antibiotics, airway management, and pain control. They can’t perform dental procedures. Once the systemic emergency is resolved, see us for definitive dental treatment — typically the next morning with ER discharge paperwork.

2. The three urgency levels

Everything else falls into three categories:

Level 1 — Immediate same-day

Call us now. Most emergencies below. Time matters clinically.

  • Knocked-out permanent tooth (30-60 min reimplantation window)
  • Severe throbbing toothache
  • Localized abscess with swelling, pus, or pain
  • Fractured tooth with pulp exposure (pink dot visible)
  • Uncontrolled bleeding (short of ER-level)
  • Traumatic tooth displacement
  • Severe post-extraction pain (possible dry socket)

Level 2 — Within 24-48 hours

Schedule promptly but can safely wait overnight with self-care.

  • Chipped tooth without pulp exposure or severe pain
  • Lost filling or crown without pain
  • Sensitivity to hot, cold, or sweet
  • Minor gum irritation
  • Loose crown
  • Mild chronic jaw pain

Level 3 — Standard appointment

Not an emergency. Schedule within a week or at next regular opportunity.

  • Cosmetic concerns
  • Mildly rough edges
  • Routine follow-up questions
  • New pain that resolved quickly and hasn’t returned

3. Knocked-out tooth — the most time-sensitive emergency

A knocked-out permanent tooth has a 30-60 minute reimplantation window. Success rate drops sharply after 60 minutes. This is genuinely the fastest-moving emergency in dentistry.

Immediate steps:

  1. Pick up the tooth by the crown (the visible part), not the root. Touching the root damages the cells needed for successful reimplantation.
  2. Rinse gently if dirty. Cold water or milk, for no more than 10 seconds. Do NOT scrub the root surface, do NOT use soap or chemicals, do NOT dry it with a towel.
  3. Store the tooth in milk (best) or saliva (keep under your tongue) or a tooth-preservation solution if you have one. Never let the root dry out. Plain water is worse than milk but better than dry.
  4. Call our office immediately at 480-331-4955 (Gilbert), 602-932-2555 (Mesa), or 480-630-4446 (Glendale). Drive directly.
  5. If you can reinsert the tooth yourself — many patients can, especially if the tooth came out cleanly — gently press it back into the socket and hold in place. This is the best storage environment. Bite down on clean gauze to stabilize.

Baby teeth are not typically reimplanted — they’re supposed to exfoliate eventually, and reimplantation can damage the developing permanent tooth beneath. But do see us so we can evaluate for damage to the underlying permanent tooth.

See our detailed emergency page: Knocked-Out Tooth Emergency (Gilbert), with parallel pages in Mesa and Glendale.

4. Severe toothache

Toothache severity and pattern determine urgency:

  • Sharp pain to cold or sweet, resolves within seconds: likely a sensitive tooth or small cavity. Not an emergency. Schedule within a week.
  • Lingering pain to temperature (30+ seconds after stimulus removed): probably irreversible pulpitis — the tooth nerve is inflamed. Root canal or extraction likely. Schedule urgently.
  • Spontaneous throbbing pain with no clear trigger: pulp necrosis or abscess forming. Same-day treatment needed.
  • Severe pain that wakes you at night or worsens lying down: pulp involvement confirmed. Same-day, no waiting.
  • Pain plus swelling plus bad taste: active infection. Same-day, possibly ER if red flags present.

Home management while you wait for your appointment: ibuprofen 400-600mg plus acetaminophen 500-1000mg together every 6 hours (more effective than either alone for dental pain, per current pain research). Cold compress on outside of face. Head elevated when sleeping. No heat on the face. Avoid chewing on the affected side.

See our canonical page: Severe Toothache Emergency (Gilbert).

5. Dental abscess

A dental abscess is a localized infection either at the tooth root tip (periapical abscess, from pulp necrosis) or in the gum pocket (periodontal abscess, from gum disease). Signs: localized swelling near a specific tooth, pus drainage or a visible gum bump, bad taste, sometimes throbbing pain, sometimes fever.

Same-day treatment is required. At our office: clinical exam, X-ray, drainage of the abscess (either through the tooth via access preparation or through the gum), antibiotic prescription (usually amoxicillin 500mg three times daily for 7 days, or clindamycin 300mg four times daily for penicillin-allergic patients), pain management plan, and definitive follow-up (root canal, extraction, or periodontal therapy depending on the source).

Critical: antibiotics alone do not resolve an abscess. The source — dead pulp tissue, infected gum pocket, or failed prior dental work — must be addressed. Patients who take antibiotics without definitive treatment feel better for weeks, then the infection returns.

Red flags that mean ER rather than dental office: fever over 101°F, spreading swelling, difficulty breathing or swallowing, rapid worsening over hours.

See our canonical page: Tooth Abscess Emergency (Gilbert).

6. Chipped, cracked, or fractured tooth

Severity spectrum:

  • Minor enamel chip: rough edge, no pain, no visible dentin. Composite bonding in a single 30-minute visit. $150-$400. Schedule within a week.
  • Larger chip into dentin: cold sensitivity likely. Larger composite or onlay. $300-$1,200. Schedule within 24-48 hours.
  • Crack extending downward from chewing surface: classic cracked tooth — painful on biting, often intermittent. Crown required to prevent propagation. $900-$1,800. Urgent.
  • Crack extending into pulp: root canal plus crown needed. $1,500-$3,000. Urgent.
  • Split tooth (vertical root fracture): unsalvageable. Extraction plus implant or bridge. $2,000-$6,000. Same-day evaluation.
  • Visible pulp exposure: pink tissue visible at fracture. Same-day, no waiting.

Save any broken fragments — rinse, store in milk or saliva, bring to the appointment. For front teeth, we can sometimes bond the original fragment back for superior cosmetic result. For all fractures: ibuprofen for pain, orthodontic wax or sugarless gum over sharp edges if they’re cutting your tongue, avoid chewing on that side, no superglue attempts.

See our canonical page: Chipped or Cracked Tooth Emergency (Gilbert) for chipped teeth, and Fractured Tooth Emergency for more severe cases.

7. Lost filling or crown

Not usually an emergency unless there’s pain or sharp edges. Schedule within 24-48 hours. If there’s pain or sensitivity, it’s more urgent.

Home measures: OTC temporary filling material (Dentemp, Refilit) for 24-48 hours maximum. Do not use superglue — it’s cytotoxic and damages the pulp. Orthodontic wax smooths sharp edges. Avoid chewing on that tooth. Rinse with warm salt water after meals.

For a lost crown with the crown itself intact, bring it in — we can often recement the same crown. Cost: $75-$200 for a recement, vs $900-$1,800 for a new crown if the original is lost or broken.

See: Lost Filling Emergency (Gilbert).

8. Wisdom tooth pain

Wisdom tooth pain has distinct patterns requiring different responses:

  • Pericoronitis — infection around a partially erupted wisdom tooth with a gum flap. Most common and most dangerous. Treatment: same-day irrigation + antibiotics, extraction scheduled once infection clears. Can escalate rapidly — red flags requiring ER: fever over 101°F, difficulty swallowing or breathing, inability to open mouth, spreading neck swelling.
  • Decay in or around wisdom tooth: filling or extraction depending on extent.
  • Pressure from impacted wisdom tooth on adjacent second molar: extraction, sometimes with second molar repair.
  • Cyst around impacted wisdom tooth: rare but serious; requires surgical removal of cyst and tooth. Referral to oral surgeon.

See our canonical page: Wisdom Tooth Pain Emergency (Gilbert).

9. Bleeding gums and gum emergencies

Most bleeding gums are not emergencies — they’re gingivitis signaling the need for better oral hygiene and a cleaning. True gum emergencies:

  • Uncontrolled bleeding from trauma — bite on gauze for 20-30 minutes continuous pressure; if still bleeding, call or go to ER
  • Bleeding in patients on blood thinners — call immediately, don’t self-manage
  • Localized gum swelling with bleeding and pus — gum abscess, same-day treatment
  • Sudden new gum bleeding without trauma or dental trigger — rule out bleeding disorders, leukemia, severe vitamin deficiency; mention to both dentist and physician

Chronic low-grade bleeding: not emergency, but don’t ignore. Reflects gum disease progression and gets worse with time. Schedule an evaluation.

See: Bleeding Gums Emergency (Gilbert).

10. Jaw pain and trauma

Jaw pain has multiple causes, not all dental. Before dental treatment, rule out:

  • Cardiac event — new jaw pain with chest pain, shortness of breath, nausea, or sweating: call 911
  • Jaw fracture — after trauma with inability to close teeth together, crepitus on jaw movement, significant asymmetry: ER
  • Sinus infection — pressure-type upper jaw pain with congestion and head-position changes: medical, not dental

Once those are excluded: dental causes include TMD, bruxism, dental infection referred to jaw, or trigeminal neuralgia. See our Jaw Pain Emergency page for detail, and our TMJ Treatment page for chronic management.

11. Post-operative emergencies

After dental procedures, some post-op issues are normal and some need immediate attention.

Normal: mild pain for 24-72 hours, mild swelling peaking at 48-72 hours then resolving, minor bleeding oozing for up to 24 hours, sensitivity to hot/cold for 1-2 weeks after fillings.

Call us: severe pain that starts 3-5 days after an extraction (probable dry socket — treatable with medicated dressing), fever, spreading swelling, increasing rather than decreasing pain over days, prolonged bleeding, crown that debonded, filling that fell out.

Go to ER: signs of systemic infection, airway swelling, uncontrolled bleeding.

12. Pediatric emergencies — what’s different

Children’s dental emergencies overlap with adult emergencies but with some key differences:

  • Knocked-out baby teeth typically not reimplanted — can damage the permanent tooth bud. See us for evaluation of the permanent tooth but don’t attempt reimplantation yourself.
  • Knocked-out permanent teeth in children over 6-7 — same protocol as adults. 60-minute reimplantation window. Immediate emergency.
  • Chipped front teeth from falls or sports — very common in 7-10 year olds when permanent front teeth are newly erupted. Bring fragments if possible.
  • Trauma to teeth plus facial injury — head injury screen first, then dental. Signs of concussion take priority.
  • Severe toothache in children — often a baby tooth with pulp involvement. Same-day treatment.

See our blog post: What to Do if Your Child Chips a Tooth — A Gilbert Parent’s Guide.

13. First-aid kit for home and car

What to have on hand for dental emergencies:

  • Ibuprofen 200mg tablets (for adult dosing 400-600mg)
  • Acetaminophen 325mg or 500mg tablets
  • Clean gauze pads (2×2 or 3×3)
  • Small sealable container for broken tooth fragments
  • Travel-size milk packets (for tooth preservation — though any milk works) OR a tooth preservation solution like Save-A-Tooth (HBSS-based)
  • Orthodontic wax (pharmacy, near toothpaste)
  • OTC temporary filling material (Dentemp, Refilit)
  • Salt packets for salt water rinses
  • Your dentist’s phone number saved in your phone and written down

14. Cost of emergency dental care

Emergency exam with X-ray at Glisten Dental: $150-$250. Treatment varies by diagnosis:

  • Filling: $200-$500
  • Root canal: $1,000-$1,800
  • Crown: $900-$1,800
  • Extraction: $200-$500 (simple), $400-$1,100 (surgical)
  • Abscess drainage with antibiotics: $200-$500
  • Implant (for lost/unsavable tooth): $4,000-$6,500

Most dental PPO plans cover emergency exams at 80-100% and treatment at 50-80% after deductible. Uninsured patients can access our membership plan for discounted rates on emergency and routine care.

15. Frequently asked questions

Should I go to an urgent care clinic for dental pain? Generally no. Urgent care can prescribe antibiotics and pain medication but has no dental equipment. You’ll leave with a prescription and still need to see a dentist. Save the visit — call us first.

Can I get emergency dental care without insurance? Yes. First-time patients are welcome. Emergency exam $150-$250. Treatment quoted before starting. CareCredit and payment plans available.

Will the ER pull my tooth? Almost never. ERs don’t perform dental extractions except in extraordinary circumstances. They’ll stabilize you with antibiotics and pain medication, then refer to a dentist.

How fast can you see me? Most same-day Level 1 emergencies are seen within 2-4 hours of the call. Some within 60-90 minutes. We hold emergency slots in every business day’s schedule specifically for acute cases.

What if my emergency is at 3 AM? Call us. Our after-hours voicemail provides triage guidance by symptom, identifies ER red flags, and captures your message for priority morning scheduling. See our after-hours page.

Can I avoid emergencies? Mostly yes. Twice-yearly cleanings catch problems at 2mm rather than 6mm — a filling vs a root canal. A night guard prevents most cracked-tooth emergencies in bruxism patients. Mouthguards for sports reduce pediatric trauma substantially. Prevention is radically less expensive than reaction.

For any dental emergency, call Glisten Dental at the location nearest you: Gilbert 480-331-4955, Mesa 602-932-2555, or Glendale 480-630-4446. Same-day emergency slots are held daily. First-time patients welcome.