Does tooth pain always mean I need a root canal?
No. Tooth pain has several possible causes. An examination, testing and imaging when indicated help determine whether the pulp is involved or another condition better explains the symptoms.
Diagnosis and tooth-preserving care
Root Canal Treatment in Pomona, Brea and Newport Beach
Reviewed by Dr. Ahmed Soboh, DDS, FAGD, LVIF, MBALast reviewed
Root canal treatment removes inflamed or infected tissue from inside a tooth, then cleans, fills and seals the space so the tooth may be retained. Whether it is appropriate depends on the diagnosis, the amount of healthy tooth structure that remains, the condition of the root and surrounding tissues, and whether the tooth can be predictably restored. An examination and dental imaging when indicated help determine whether root canal treatment, another procedure or referral is appropriate. Advanced Dentistry & Orthodontics provides root-canal evaluation and treatment at all three offices; this page was reviewed by Dr. Ahmed Soboh.
Key takeaways
- Tooth pain alone does not establish that a root canal is needed. The diagnosis may require an examination, testing and dental imaging.
- Root canal treatment addresses tissue inside the tooth. A filling, crown or other restoration may still be needed afterward.
- Not every tooth can or should be saved. A severe fracture, inadequate remaining tooth structure or another problem may make extraction or referral appropriate.
- Treatment can require more than one visit, and no individual result or treatment timeline should be promised before evaluation.
- New or rapidly increasing facial swelling, difficulty breathing or difficulty swallowing requires urgent medical attention.
What is root canal treatment?
Root canal treatment, also called endodontic treatment, treats inflammation or infection involving the pulp inside a tooth. The pulp contains nerves, blood vessels and connective tissue. Deep decay, cracks, trauma, repeated dental procedures or a problem beneath an existing restoration can affect this tissue.
During treatment, the clinician removes the inflamed or infected pulp, cleans and disinfects the root-canal system, then fills and seals the space. The treated tooth still needs enough sound structure and an appropriate restoration to function. The American Association of Endodontists explains that the final restoration may be a filling or crown depending on the tooth and its condition.
Which symptoms should prompt an evaluation?
Symptoms that may justify a dental evaluation include lingering sensitivity to hot or cold, pain when biting or chewing, spontaneous or persistent pain, a chipped or deeply decayed tooth, swelling or tenderness, a pimple-like area on the gum, or discoloration after an injury.
These symptoms are not specific to one diagnosis. A cracked tooth, gum problem, bite problem, sinus condition or another source can produce similar discomfort. The tooth must be examined before a treatment can be recommended.
When is the problem a medical emergency?
Call 911 or seek emergency medical care for difficulty breathing or swallowing, rapidly spreading facial or neck swelling, uncontrolled bleeding, loss of consciousness or severe facial trauma. Patients with urgent dental symptoms should call the office first to confirm current availability.
How does the dentist decide whether the tooth can be saved?
The decision begins with the diagnosis, not with a promise of a procedure. The clinician may review medical and dental history, ask about symptoms, examine the tooth and surrounding tissues, test the tooth and bite, and obtain dental imaging when indicated.
- Is the pulp inflamed or infected?
- Is the tooth cracked, and where does the crack extend?
- How much healthy tooth structure remains?
- Are the root and surrounding support adequate?
- Can the tooth be restored after treatment?
- Would evaluation by an endodontist be appropriate?
Advanced Dentistry & Orthodontics evaluates most root-canal cases, including complex presentations. Selected cases may be referred to an endodontist when specialty evaluation or treatment is clinically appropriate.
What happens during root canal treatment?
Diagnosis and planning
The clinician evaluates the tooth, discusses reasonable alternatives and confirms whether treatment or referral is appropriate.
Local anesthesia and isolation
The area is numbed. The tooth is isolated to help keep the treatment field clean and protect the patient.
Access and cleaning
The clinician creates an opening, removes affected tissue, and cleans and shapes the canal space.
Filling and sealing
The cleaned canal system is filled and sealed. A temporary or permanent restoration may be placed depending on the sequence.
Final restoration and follow-up
A filling, crown or other restoration may be needed. The clinician explains follow-up, warning signs and how to protect the tooth.
Treatment may occur in one or more visits. Complexity, infection, tooth anatomy, restoration planning and referral can affect the sequence.
Will I need a crown afterward?
Some root-canal-treated teeth need a crown, while others may be restored differently. The decision depends on the tooth's location, how much structure remains, existing restorations, cracks, bite forces and other clinical factors. Ask whether the estimate includes the final restoration, who will place it, when it should be completed and how to protect the tooth meanwhile.
How do root canal treatment, extraction and referral compare?
| Consideration | When it may be discussed | Important limitation |
|---|---|---|
| Root canal treatment and restoration | The pulp is inflamed or infected and the tooth may be predictably retained and restored | The tooth must still be restorable and may need a separate filling, crown and follow-up |
| Extraction and replacement planning | The tooth cannot reasonably be retained or the patient selects removal after informed discussion | Replacement may involve an implant, bridge or removable option, each with separate risks and stages |
| Monitoring or another treatment | Testing does not support immediate root canal treatment or another diagnosis better explains symptoms | Symptoms can change, so follow-up and escalation instructions are needed |
| Endodontic referral | Diagnosis or treatment complexity would benefit from specialty evaluation | Referral adds an evaluation and does not guarantee that the tooth can be saved |
Read Root Canal or Extraction: How Dentists Decide for a fuller comparison.
What are the risks and limitations?
No dental procedure has a guaranteed outcome. Possible limitations include persistent symptoms or incomplete healing, complex canal anatomy, procedural complications, new decay or restoration leakage, cracking or fracture, and the need for retreatment, endodontic surgery, referral or extraction. A final filling, crown or another restoration may also be needed.
What should I expect after treatment?
Temporary tenderness or a different sensation may occur as surrounding tissues settle. Follow the clinician's instructions and avoid heavy chewing on a tooth that has not received its final restoration. Contact the office if pain or swelling is severe, persists or worsens, if a temporary restoration comes out, if the bite feels uneven, or if prior symptoms return. Review the American Association of Endodontists' post-treatment guidance for additional general information.
What should I ask before treatment?
- What diagnosis and findings explain my symptoms?
- Can this tooth be predictably restored?
- What are the alternatives?
- Who will perform the root canal and final restoration?
- Should an endodontist evaluate this case?
- Is a crown expected, and is it included in the estimate?
- What could change the treatment plan?
- What follow-up and maintenance will be needed?
Where is root-canal treatment available?
Root-canal evaluation and treatment are available through Pomona, Newport Beach, and Brea. Dr. Ahmed Soboh primarily provides root-canal care. Dr. Saif Liswi, Dr. Ziad Tedini and Dr. Khalid Khoudari also provide root-canal treatment across the practice.
Financing options include Cherry, CareCredit and in-house financing. Approval, rates, fees and total repayment vary, so review the applicable terms in writing.
Offices, clinicians and financing
This treatment is offered at all three Advanced Dentistry & Orthodontics offices. Dr. Ahmed Soboh primarily provides root-canal care. Dr. Saif Liswi, Dr. Ziad Tedini and Dr. Khalid Khoudari also provide root-canal treatment across the practice. Selected cases may be referred when specialty care is appropriate.
Advanced Dentistry & Orthodontics – Newport Beach
20072 SW Birch Street, Ste 150, Newport Beach, CA 92660
Request an appointment in Newport BeachAdvanced Dentistry & Orthodontics – Pomona
101 West Mission Blvd., #221, Pomona, CA 91766
Request an appointment in PomonaAdvanced Dentistry & Orthodontics – Brea
1800 E Lambert Rd # 160, Brea, CA 92821
Request an appointment in BreaClinicians who provide this care
- Dr. Ahmed Soboh, DDS, FAGD, LVIF, MBA
Neuromuscular and aesthetic dentistry
- Dr. Saif Liswi, DDS
Restorative and cosmetic dentistry
- Dr. Ziad Tedini, DDS
Cosmetic and restorative dentistry
- Dr. Khalid Khoudari, DDS
Minimally invasive, restorative, and aesthetic dentistry
Financing options include Cherry, CareCredit, and in-house financing. Review the interest rate, promotional-period rules, fees, and total repayment in writing before choosing one. See the financing and insurance page. Dental benefits vary by plan; ask the office for a written estimate and verify benefits directly with your insurer.
Dentist-reviewed guides
Read before your consultation. Each guide names its reviewing dentist and lists its sources.
- Root canal or extraction?
How diagnosis, restorability and the complete treatment sequence guide the decision.
- Filling, crown or root canal?
How dentists distinguish common restorative options.
- Deep cleaning vs regular cleaning
How preventive and periodontal care differ.
- Emergency dental care
When symptoms need urgent dental or medical attention.
Frequently Asked Questions
Can every tooth be saved with root canal treatment?
No. The tooth must have enough remaining structure and support to be restored. Severe fractures, extensive damage or other clinical problems may make extraction appropriate.
Is the crown part of the root canal?
Not necessarily. Root canal treatment addresses tissue inside the tooth. A filling, crown or another restoration may be a separate stage and may have a separate fee.
How many visits will treatment take?
It depends on the tooth, infection, anatomy, treatment complexity, restoration plan and whether referral is appropriate. The expected sequence is discussed after evaluation.
What happens if symptoms return later?
Contact a dentist or endodontist for evaluation. Retreatment, endodontic surgery, another restorative procedure or extraction may be considered depending on the cause.
When should swelling go to an emergency department?
Seek emergency medical care for difficulty breathing or swallowing, rapidly spreading facial or neck swelling, loss of consciousness, uncontrolled bleeding or severe facial trauma.
Sources
These sources support general patient education. Individual diagnosis, treatment options, timing, and risks require an examination by a qualified dental professional.
- Root Canal TreatmentAmerican Association of Endodontists. Accessed 2026-09-15.
- What Is a Root Canal?American Association of Endodontists. Accessed 2026-09-15.
- Root Canal Post-Treatment CareAmerican Association of Endodontists. Accessed 2026-09-15.
- Treatment Options for the Diseased ToothAmerican Association of Endodontists. Accessed 2026-09-15.
- Tooth DecayNational Institute of Dental and Craniofacial Research. Accessed 2026-09-04.
Request an evaluation
An evaluation establishes a diagnosis and the options that apply to you. It is not a promise that a particular treatment is indicated.