John E. Sullivan DDS

(630) 665-7350

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    • Home
    • About Us
      • Meet Our Team
      • Tour Our Office
    • Services
    • Patient Resources
      • Insurance Information
      • Financial Information
      • Dental Membership Plan
      • FAQ
      • Post Op Instructions
      • Blog & News
    • Testimonials
    • Contact Us

(630) 665-7350

John E. Sullivan DDS
  • Home
  • About Us
    • Meet Our Team
    • Tour Our Office
  • Services
  • Patient Resources
    • Insurance Information
    • Financial Information
    • Dental Membership Plan
    • FAQ
    • Post Op Instructions
    • Blog & News
  • Testimonials
  • Contact Us
Illustration of a root canal treatment procedure.

Post-Operative Root Canal Care

What to Expect After Treatment

Root canal treatment may require one or more appointments depending on the tooth and the condition being treated.

  • If local anesthetic was used, your lips, tongue, cheek, teeth, or surrounding tissues may remain numb for several hours.
  • Avoid chewing while numb to prevent accidentally biting your cheek, lip, or tongue.
  • Mild to moderate tenderness is common for several days following root canal treatment.
  • The treated tooth may feel sore when biting or chewing.
  • Some patients notice a dull ache after treatment even if the tooth was not painful beforehand.
  • This discomfort should gradually improve as the surrounding tissues heal.


Temporary Filling or Crown

A temporary filling or temporary crown may be placed to protect the tooth between appointments or until the final restoration is completed.

  • A small amount of temporary filling material may wear down or chip.
  • If the entire temporary filling comes out or a temporary crown comes off, contact our office.
  • Avoid sticky or chewy foods that could dislodge the temporary restoration.
  • Avoid biting extremely hard foods or objects such as ice, pens, pencils, or fingernails.
  • When possible, chew on the opposite side until the tooth has received its final restoration.


Pain Control & Medications

  • Take any prescribed or recommended medication exactly as directed.
  • Over-the-counter pain medications such as ibuprofen or acetaminophen may be recommended when appropriate for you.
  • Do not exceed the recommended dosage.
  • Do not combine different NSAID medications, such as ibuprofen and naproxen, unless specifically instructed to do so.
  • If antibiotics were prescribed, take them exactly as directed.
  • Do not change the dose or discontinue a prescribed medication unless instructed by our office or another healthcare professional.
  • Contact our office if pain becomes severe, progressively worsens, or cannot be adequately controlled with the recommended medication.


Oral Hygiene & Rinsing

  • Continue brushing and flossing normally unless you were given different instructions.
  • Be gentle around a temporary restoration.
  • Warm salt-water rinses may help soothe irritated gum tissue.
  • To make a salt-water rinse:
    • Dissolve approximately 1 teaspoon of salt in a cup of warm water.
    • Gently rinse and spit.
  • Do not aggressively rinse if the surrounding tissues are particularly tender.


Bite & Tooth Sensation

  • The treated tooth may initially feel slightly different from the surrounding teeth.
  • Mild tenderness when biting can occur following root canal treatment.
  • If the tooth feels noticeably high or your bite feels uneven, contact our office.
  • A bite adjustment may occasionally be needed.


Final Restoration & Long-Term Care

A tooth that has undergone root canal treatment often requires a permanent restoration to protect it and restore normal function.

  • Complete the final restoration within the timeframe recommended by your dentist.
  • Posterior teeth frequently require a crown or other cuspal-coverage restoration because they may be more susceptible to fracture after root canal treatment.
  • Some teeth, particularly certain anterior teeth, may not require a crown depending on the amount of remaining tooth structure and the clinical situation.
  • Avoid excessive chewing on the treated tooth until the permanent restoration has been completed.
  • Delaying the final restoration may increase the risk of fracture, leakage, or reinfection.
  • Follow-up examinations and radiographs may be recommended to evaluate healing around the root of the tooth.
  • The timing of follow-up imaging will depend on the individual tooth and your dentist’s recommendation.


IMPORTANT — DO NOT:

  • DO NOT chew while your mouth is numb.
  • DO NOT chew extremely hard or sticky foods on a tooth with a temporary restoration.
  • DO NOT bite ice, fingernails, pens, pencils, or other hard objects.
  • DO NOT ignore a lost or broken temporary filling or crown.
  • DO NOT exceed the recommended dose of pain medication.
  • DO NOT combine ibuprofen and naproxen unless specifically instructed.
  • DO NOT delay your final restoration beyond the timeframe recommended by your dentist.
  • DO NOT ignore significant swelling, severe pain, or a bite that feels noticeably uneven.


When to Call Our Office

Please contact our office if you experience:

  • Severe or progressively worsening pain.
  • Significant swelling.
  • Pain that does not gradually improve.
  • A lost, loose, or broken temporary filling or crown.
  • A bite that feels high or uneven.
  • Fever, drainage, or other signs of possible infection.
  • A significant reaction to any prescribed medication.
  • Any other concerns about your tooth or healing.


© 2026 John E. Sullivan DDS, P.C.

This document is the property of John E. Sullivan DDS, P.C. and is intended for use within this practice only.


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