A tooth can stop hurting even while an infection remains around its root. That makes a fading toothache a poor way to judge whether a dental problem has healed. So, what does an endodontist do, and when should you see one? This dental specialist investigates problems inside teeth and provides treatments that can save a tooth that might otherwise need removal.
Root canal treatment is the best-known part of the job, but it is not the whole story. An endodontist may also find the source of confusing tooth pain, repair a previously treated tooth, or help a child after a sports injury. This guide explains the specialist’s training, procedures, equipment, costs, and recovery advice, along with the limits of tooth-saving treatment. It also shows how an endodontist works with your regular dentist so you understand both the immediate treatment and the care that comes afterward.
The Specialist Who Treats the Inside of Your Tooth
An endodontist is a dentist with advanced training in diagnosing and treating diseases and injuries of the dental pulp and tissues around tooth roots. Their main goal is to relieve symptoms, control infection, and preserve natural teeth when keeping them makes clinical sense. For example, they may save a deeply decayed molar by treating its damaged inner tissue rather than removing the whole tooth. The specialty is called endodontics, a name that refers to the inside of the tooth.
Pulp, Root Canals, and Tooth Pain
A tooth has 3 main tissue layers: enamel, dentin, and pulp. Enamel forms the hard outer covering of the crown, while dentin sits beneath it and surrounds the pulp space. The pulp contains nerves, blood vessels, and connective tissue that help a tooth develop. Its central chamber connects to narrow passages called root canals, which extend through the roots. A mature tooth can continue to function after pulp removal because the tissues around its roots still support it.
Deep decay, a crack, or a blow to the mouth can inflame or infect the pulp. A tooth that aches long after a sip of cold water offers one example of a problem that deserves testing. Some inflamed pulps can recover after treatment of the cause, while others need pulp therapy or root canal treatment. If the pulp dies, bacteria may spread through the root canal system and cause inflammation or an abscess near a root tip. Pain can increase, fade, or disappear during this process, so symptoms alone cannot establish the diagnosis.
Training, History, and Scope of Care
In the United States, an endodontist completes dental school and then usually spends another 2 to 3 years in advanced specialty training. That training focuses on tooth pain, root canal anatomy, infection control, trauma, and related surgery. The American Dental Association recognized endodontics as a dental specialty in 1963. Since then, improved instruments, magnification, and imaging have expanded the ways specialists can treat difficult teeth. However, their central task remains the same: determine what is wrong and whether treatment can preserve a useful tooth.
Endodontists generally spend much more of their clinical time on root-related problems than general dentists do. For example, a specialist may evaluate a tooth with a calcified canal, meaning mineral deposits have narrowed the passage. They also assess problems such as root resorption, in which the body breaks down part of a tooth’s hard tissue. Their work does not automatically include the final crown, routine cleaning, or every other part of dental care. Most coordinate those services with your general dentist or another specialist.
- Diagnose pain that may come from the pulp or tissues around a root.
- Perform initial root canal treatment and treat selected pulp injuries.
- Redo previous root canal treatment when a treatable problem remains.
- Perform root-end surgery when appropriate.
- Manage selected cracked teeth, traumatic injuries, and resorption cases.
When You Need an Endodontist and Who Else Can Help
A referral often follows a toothache, a suspicious X-ray, or a root canal that looks unusually difficult. However, you do not need severe pain to benefit from an evaluation. For example, a dentist may discover a dark area near the root of a tooth that feels completely normal. Your dentist can explain whether they can manage the problem or whether a specialist’s experience would help.
Symptoms, Referrals, and Dental Emergencies
Common reasons for evaluation include lingering temperature sensitivity, pain when biting, unexplained tooth discoloration, and swelling near a tooth. A small gum bump that drains can also signal an infection, even when it causes little discomfort. For example, a front tooth that darkens months after a bicycle accident may have suffered pulp damage. Still, these signs can have more than one cause, and a sensitive tooth does not always need a root canal. A dental examination should come before a treatment decision.
Some symptoms require faster action than a routine referral. Facial swelling with fever needs urgent, same-day assessment, while trouble breathing or swallowing requires emergency medical care immediately. Swelling that spreads toward the eye or neck also raises concern about a spreading infection. For example, someone whose cheek swelling grows quickly overnight should not wait several days for a specialist appointment. Contact an available dentist or emergency service rather than delaying care while searching for a particular clinician.
Endodontists vs Other Dental Specialists
A general dentist can perform many root canals, especially when the anatomy and diagnosis are straightforward. An endodontist often adds value when a molar has narrow or sharply curved canals, previous treatment, or hard-to-explain symptoms. An upper first molar, for example, commonly has anatomy that requires a careful search for an additional canal. Referral does not mean your dentist lacks basic skill; it may reflect a sensible decision about complexity. The important question is who has the training, equipment, and experience to manage your particular tooth.
Other specialists address different parts of the same treatment plan. A periodontist treats gum disease and the bone that supports teeth, while an oral and maxillofacial surgeon handles procedures such as difficult extractions and many surgical problems. A prosthodontist focuses on complex tooth restoration and replacement, and a pediatric dentist specializes in children’s dental needs. For example, a badly broken tooth with deep decay and weak gum support may need input from more than one clinician. An endodontist can treat the canal system, but that alone cannot make an unrestorable tooth worth keeping.
| Provider | Main Role | Example of When They Help |
|---|---|---|
| General dentist | Broad dental care, diagnosis, fillings, crowns, and selected root canals | A straightforward root canal followed by a crown |
| Endodontist | Pulp disease, complex root canals, retreatment, and related surgery | A painful molar with a missed canal after earlier treatment |
| Periodontist | Gum disease and tooth-supporting tissues | A tooth with deep gum pockets and bone loss |
| Oral and maxillofacial surgeon | Extractions and surgery involving the mouth, jaws, and face | Removal of a tooth that cannot support a lasting restoration |
| Prosthodontist | Complex restoration and tooth replacement | Planning several crowns, bridges, or implant restorations |
What Happens During Diagnosis and Root Canal Treatment
An endodontic appointment begins with questions, not drilling. The clinician asks where you feel pain, what triggers it, how long it lasts, and whether previous treatment or an injury could explain it. For example, pain that appears only when you release a bite can suggest a different problem from pain that lingers after heat. Your medical history, medications, allergies, and dental records also help shape a safe treatment plan.
Finding the Right Tooth and the Right Diagnosis
The endodontist may use cold testing, an electric pulp test, gentle tapping, pressure, and a bite test. They often compare the suspected tooth with nearby teeth rather than interpreting one response in isolation. Cold and electric tests mainly assess nerve responses, not blood flow, so no single result proves whether the pulp is healthy. For example, a tooth that recently suffered trauma may respond poorly even though some living tissue remains. Gum probing and a search for cracks add information that pulp tests cannot provide.
Dental X-rays help the clinician assess root shape, previous fillings, decay, and changes in surrounding bone. A cone-beam computed tomography scan can provide a three-dimensional view when that extra information is likely to change care. For example, a limited scan may help locate a hidden canal or clarify a resorption defect that ordinary images cannot show well. However, early pulp inflammation may cause severe pain without an obvious X-ray change. If the findings do not fit a tooth problem, the specialist may investigate sinus disease, jaw muscle pain, nerve pain, or another source instead of performing an unnecessary root canal.
Cleaning, Sealing, and Restoring the Tooth
For root canal treatment, the clinician numbs the area with local anesthesia and places a rubber dam around the tooth. This protective sheet keeps saliva away and helps prevent swallowing or inhaling small instruments and treatment liquids. The endodontist creates an opening, removes damaged pulp tissue, and uses fine instruments and disinfecting solutions to clean the canals. An electronic apex locator, often combined with X-rays, helps measure canal length. They then fill the prepared spaces with a material such as gutta-percha and a sealer to help close the canal system.
Many root canals take 1 or 2 appointments, and an individual treatment visit may last roughly 60 to 120 minutes. A difficult retreatment, ongoing drainage, or unusual anatomy may require a different schedule. Between visits, the clinician may place medicine inside the tooth and close it with a temporary filling. After treatment, the tooth needs a well-sealed final restoration from the treating office or your regular dentist. A back tooth with substantial damage often needs a crown or another restoration that covers and protects its chewing cusps.
- Confirm the diagnosis and discuss whether the tooth can support a lasting restoration.
- Review the benefits, risks, alternatives, and planned fees.
- Numb and isolate the tooth.
- Locate, clean, disinfect, and shape the canals.
- Fill the canals and seal the access opening.
- Complete the final restoration and arrange healing checks.
Treatments Beyond a First Root Canal
Not every endodontic problem calls for a standard first-time root canal. A previously treated tooth, an injured developing tooth, and a tooth with living but inflamed pulp may need very different approaches. For example, a teenager’s immature front tooth may benefit from treatment that supports further root development. The specialist chooses a procedure based on the diagnosis, root maturity, remaining tooth structure, and realistic chances of success.
Retreatment and Endodontic Surgery
Nonsurgical retreatment means reopening a tooth and addressing problems inside a previously treated canal system. The endodontist may remove old filling material, search for missed anatomy, and clean areas that still contain infection. A leaking crown or new decay can also allow bacteria to enter a tooth years after its original root canal. For example, treating a missed canal will not solve the whole problem if an open crown margin continues to leak. Some cases require removal of a crown or post, which adds time, cost, and risks that belong in the discussion before treatment.
When conventional retreatment is unsuitable or has not resolved a problem, root-end surgery may offer another route. During an apicoectomy, the clinician reaches the root tip through the gum and bone, removes inflamed tissue and a small root-end portion, and places a root-end filling when indicated. For example, surgery may help when a difficult post blocks safe access through the crown. It does not rescue every tooth, especially when a vertical root fracture or severe loss of support makes the outlook poor. The endodontist may also send unusual tissue to a laboratory to confirm what caused a persistent lesion.
Trauma Care and Pulp-Preserving Treatments
Dental trauma can involve a broken crown, a displaced tooth, or a tooth knocked completely out of its socket. A knocked-out permanent tooth needs emergency dental care immediately, ideally with action within minutes. Handle it by the crown rather than the root, avoid scrubbing it, and reinsert it only if it goes in easily and the person can safely hold it in place. Otherwise, keep it moist in milk or an appropriate tooth-preservation solution while seeking urgent help. Never reinsert a knocked-out baby tooth. The International Association of Dental Traumatology’s 2020 guidelines emphasize prompt management and follow-up because complications can appear after the initial injury.
When enough healthy pulp remains, an endodontist may consider vital pulp therapy instead of removing all the pulp. Direct pulp capping protects a selected exposure, while a pulpotomy removes part or all of the pulp in the crown and preserves suitable tissue in the roots. For example, a recently fractured permanent tooth in a child may qualify for a partial pulpotomy after careful assessment. An immature permanent tooth with dead pulp may instead qualify for regenerative endodontic treatment or apexification. Regenerative treatment aims to promote healing and sometimes further root development, while apexification creates a barrier at an open root end. Neither approach guarantees a return to a completely normal pulp, and both require follow-up.
Comfort, Recovery, Risks, and Follow-Up
The purpose of endodontic treatment is to relieve a dental problem, not create a new one. With effective local anesthesia, many patients describe the procedure as manageable and similar in comfort to other longer dental appointments. However, a severely inflamed lower molar may need additional numbing techniques, and soreness afterward can occur. A useful treatment discussion separates discomfort during the procedure from the normal healing symptoms and complications that may follow it.
Pain Control and the First Few Days
Local anesthesia blocks pain signals from the treatment area, but it does not necessarily eliminate every sensation of pressure or movement. Tell the clinician if you feel sharp pain rather than trying to tolerate it silently. For example, someone with a very painful tooth may need extra anesthesia before the endodontist can work comfortably. Some offices offer nitrous oxide, oral sedation, or other sedation options for anxiety, depending on training and patient needs. Sedation does not replace local anesthesia, and certain methods require an escort and restrictions on driving.
Mild tenderness when biting can occur during the first few days, especially if the tissues around the root were already inflamed. The American Dental Association’s 2024 acute dental pain guideline supports nonopioid medicines as first-line options for many dental pain situations. A clinician may recommend an anti-inflammatory medicine such as ibuprofen, acetaminophen, or an appropriate combination based on your health history. Kidney disease, stomach ulcers, liver disease, pregnancy, and some medicines can change what is safe, so follow individualized advice and label limits. For example, a cold-and-flu product may already contain acetaminophen, making accidental duplicate dosing possible.
Complications, Healing, and Lasting Protection
Root canal treatment has limits and risks even when a skilled clinician follows careful techniques. Possible problems include a missed canal, persistent infection, a separated instrument, an accidental opening through the root, or tooth fracture. For example, a tiny instrument fragment in a sharply curved canal does not automatically mean the tooth will fail, but it requires assessment and an explanation. The location of the problem and the ability to control infection matter more than the name of the complication alone. Rare nerve injuries and other case-specific risks deserve discussion when nearby anatomy makes them relevant.
Bone around an infected root usually heals more slowly than symptoms improve. The endodontist may schedule an X-ray review around 6 to 12 months after treatment, with timing and further checks based on the case. A remaining dark area on an early image does not by itself prove treatment failure, because the clinician must compare changes over time. Meanwhile, a loose temporary filling, a bite that feels too high, renewed swelling, or worsening pain deserves prompt contact with the office. Daily brushing, interdental cleaning, and a durable final restoration protect the tooth from the new decay and leakage that can threaten long-term results.
- Avoid chewing until numbness wears off so you do not bite your cheek or tongue.
- Follow the office’s instructions about chewing on a temporarily restored tooth.
- Do not test the tooth with ice, hard candy, or other hard foods.
- Contact the treating office if pain worsens, swelling develops, or the temporary filling comes out.
- Keep the final restoration appointment even if the tooth already feels normal.
Saving a Tooth vs Extracting and Replacing It
Saving a natural tooth can preserve chewing function and avoid the steps involved in extraction and replacement. Still, a root canal is worthwhile only when the whole tooth has a reasonable future. For example, cleaning infected canals offers limited benefit if decay leaves too little solid tooth for a lasting crown. A responsible endodontist considers restorability and support, not simply whether instruments can reach the root tips.
How Specialists Judge Whether a Tooth Can Last
The clinician checks the amount of healthy tooth above the gum, the depth of decay, crack patterns, gum support, and the forces the tooth must handle. A crack in the crown can have a different outlook from a vertical fracture extending along the root. For example, a cracked molar with enough remaining structure and healthy support may remain treatable, while a tooth split into separate segments often will not. Root canal treatment can address pulp disease, but it cannot fuse a fracture back together. The final restoration and the patient’s ability to maintain it belong in the prognosis from the start.
It also helps to separate treatment success from tooth survival. Survival means the tooth remains in the mouth, while success may require additional findings such as comfort, function, and evidence of healing around the roots. A tooth still present at 5 years might need further care, so those outcomes do not mean the same thing. Initial treatment, retreatment, and surgery also involve different patient groups and different challenges. When someone quotes a success percentage, ask which procedure, follow-up period, and definition the number describes.
Root Canals, Implants, and Bridges Compared
Extraction removes the tooth, but it may begin a separate course of treatment rather than finish the problem. A single-tooth implant can replace a missing tooth without preparing its neighbors, although it involves surgery, healing, and ongoing maintenance. A conventional bridge usually relies on adjacent teeth, which may need substantial preparation. For example, removing one molar could lead to appointments for extraction, possible bone grafting, implant placement, and a final crown over several months. Not every missing tooth needs the same replacement, and some situations call for a removable option or no replacement after careful planning.
No replacement option offers a lifetime guarantee or eliminates the need for hygiene. Implants can develop inflammation and bone loss, bridges can develop decay around supporting teeth, and treated natural teeth can fracture. Smoking, gum disease, uncontrolled diabetes, and heavy grinding may affect treatment planning and the outlook for different options. For example, a patient with active gum disease may need that condition under control before either tooth-saving restoration or implant treatment can have a sound foundation. Shared decision-making should weigh likely durability, treatment burden, cost, appearance, and the patient’s priorities rather than assume one approach always wins.
| Option | Main Benefit | Main Trade-Off |
|---|---|---|
| Root canal plus appropriate restoration | Keeps the natural tooth and its supporting structures | Requires a restorable tooth and does not eliminate fracture or reinfection risk |
| Extraction and implant | Replaces a tooth without relying on neighboring teeth for support | Requires surgery, sufficient support, healing time, and maintenance |
| Extraction and conventional bridge | Provides a fixed replacement without placing an implant at the missing-tooth site | Usually requires preparation of neighboring teeth |
| Removable partial denture | Can replace several teeth with one appliance | Requires adaptation and may offer less stability than fixed options |
Costs, Insurance, and Choosing an Endodontist
Endodontic costs vary by location, tooth type, case difficulty, and the services included in the estimate. A front tooth with a single accessible canal usually involves a different workload from a molar retreatment with a post. Your total expense may include diagnosis, imaging, root canal treatment, a core buildup, and a crown rather than one bundled charge. Ask for a written plan that separates the specialist’s fees from the restorative dentist’s fees before comparing options.
Understanding Fees and Insurance Limits
A national average can be misleading when offices include different services or operate in different markets. For a clearly hypothetical example, a $1,400 root canal and a $1,200 crown total $2,600 before any separate examination, imaging, or buildup fees. Those figures illustrate how charges add up; they are not a local price quote or a promise of what treatment should cost. Retreatment and surgery may involve different fees because they can require more time, equipment, or visits. If cost is a barrier, ask about payment arrangements, dental school specialty clinics, or other appropriate local resources without delaying an urgent infection.
In the United States, dental insurance often has deductibles, coverage percentages, network rules, and annual benefit limits. For example, a plan with $1,500 in remaining annual benefits may not cover its usual percentage of every service once that limit runs out. A specialist visit may also involve referral requirements or different out-of-network reimbursement. A pretreatment estimate can clarify expected benefits, but it does not guarantee the insurer’s final payment. Ask both offices to coordinate the treatment sequence and clarify your expected share before the root canal and final restoration.
Preparing for a Visit and Comparing Providers
Look for recognized specialty training, an active professional license, clear communication, and experience with the type of problem you have. In the United States, certification through the American Board of Endodontics represents an additional professional credential, although not every qualified endodontist holds board certification. A microscope or advanced scanner can support treatment, but ownership of equipment alone does not prove better care. For example, a thoughtful explanation of whether a scan will change your treatment plan matters more than a promise to scan every tooth. Practical factors such as emergency coverage, accessibility, appointment length, and coordination with your dentist also affect the experience.
Bring a medication list, allergy information, referral documents, and relevant dental images if the office requests them. Mention pregnancy, diabetes, heart conditions, immune suppression, and medicines that affect bleeding or bone health. For example, someone taking a prescribed blood thinner should tell the clinician rather than stop it without medical guidance. Ask whether you should eat normally before the visit, because instructions can differ when sedation is part of the plan. Also confirm transportation needs and which office will provide the final filling or crown.
- What is the diagnosis, and which findings support it?
- Can this tooth support a durable final restoration?
- Why do you recommend initial treatment, retreatment, surgery, or extraction?
- What risks are specific to this tooth?
- Which services appear in this estimate, and which will another office charge?
- Who should I contact after hours, and when should I return for follow-up?
Modern Tools, Evolving Treatments, and Reliable Advice
A tiny canal in an upper molar can change the outcome of treatment if the clinician cannot find and clean it. That is one reason modern endodontics places such a strong focus on visibility, anatomy, and precision. However, the newest device does not replace a sound diagnosis or make every tooth savable. For beginners, the key question is whether treatment can help; for specialists, the deeper question is which biological and technical barriers could prevent healing.
Microscopes, Imaging, and Guided Techniques
Dental operating microscopes provide light and magnification that help clinicians inspect small structures inside a tooth. Fine ultrasonic instruments can remove selected material or help uncover a hidden canal entrance. Flexible nickel-titanium instruments help shape curved canals, while electronic apex locators support accurate length measurement. For example, these tools can help an endodontist work through a narrow canal while trying to preserve surrounding dentin. None removes the need for chemical disinfection, because instruments cannot physically touch every recess of a complex canal system.
Three-dimensional imaging can reveal useful details, but more imaging is not automatically better care. A clinician should choose a limited field of view and appropriate settings when a cone-beam scan is justified. For example, a tooth with severe canal calcification may benefit from a digitally planned guide that directs access toward the remaining canal space. Guided and navigated endodontics aim to improve precision in selected difficult cases, but access, cost, and training still limit their use. Artificial intelligence tools are also emerging for image interpretation and planning, though clinicians must check their findings and remain responsible for decisions.
Research, Myths, and Trusted Resources
One major research question concerns how much living pulp clinicians can safely preserve in mature permanent teeth. The European Society of Endodontology’s 2023 clinical practice guideline addresses treatment choices for pulpal and apical disease and draws on systematic evidence reviews. In selected cases, clinicians now consider vital pulp therapy where older approaches might have favored full root canal treatment. For example, an adult tooth with an exposure may qualify for a pulp-preserving procedure if the findings, infection control, and final seal support it. The debate concerns patient selection and long-term predictability, not a claim that every painful tooth can avoid a root canal.
Reliable information also helps patients recognize claims that go far beyond the evidence. Early twentieth-century focal infection theories led some clinicians to blame treated teeth for illnesses elsewhere in the body, and versions of those claims still circulate online. The American Association of Endodontists explains that credible scientific evidence does not support claims that properly treated root canals cause cancer or similar systemic diseases. That does not mean oral infections are harmless; it means an untreated infection and a properly treated tooth are different situations. For example, antibiotics may help control a spreading infection, but they usually cannot replace removal or treatment of its dental source. The American Dental Association’s 2019 antibiotic guideline recommends dental treatment rather than antibiotics for most localized pulpal and root-related conditions in otherwise healthy adults when that treatment is available.
- American Association of Endodontists: patient explanations of root canals, retreatment, surgery, and dental trauma.
- American Dental Association and MouthHealthy: patient guidance on dental care, pain medicines, and oral health.
- International Association of Dental Traumatology: resources for injured and knocked-out teeth.
- Your treating clinicians: case-specific explanations based on your examination, images, and medical history.
Questions Readers Ask About Endodontic Care
What Does an Endodontist Do at the First Appointment?
At the first appointment, an endodontist reviews your symptoms, examines the tooth, and tests the pulp and nearby tissues. The visit may include dental X-rays, cold testing, and a discussion of treatment choices. For example, pain near a molar may come from a neighboring tooth, so diagnosis comes before drilling.
What Does an Endodontist Do for a Failed Root Canal?
For a failed root canal, an endodontist looks for causes such as a missed canal, leakage, or a root fracture. They may recommend nonsurgical retreatment, root-end surgery, or extraction when the tooth cannot last. A tooth with 1 untreated canal may need a very different plan from a tooth with a vertical fracture.
Is an Endodontist Better Than a Dentist for a Molar Root Canal?
An endodontist often offers an advantage for a difficult molar root canal, but a trained general dentist can treat many routine cases. A curved root, a narrow canal, or previous treatment can make specialist care more useful. Choose based on the tooth’s complexity and the clinician’s experience, not the job title alone.
Why Does My Tooth Still Hurt After a Root Canal?
A tooth can still hurt after a root canal because the tissues around its root need time to settle. Mild biting tenderness during the first few days can happen, especially after a painful infection. Worsening pain, swelling, fever, or a bite that feels too high needs prompt review rather than prolonged waiting.
Can I Have a Root Canal While Pregnant?
You can generally have a needed root canal during pregnancy, and delaying an active dental infection can create greater problems. The American Dental Association considers necessary dental treatment, local anesthesia, and indicated dental X-rays safe during pregnancy. Tell the team your due date, medications, and any high-risk pregnancy concerns so they can coordinate care.
Does an Endodontist Prescribe Antibiotics Instead of a Root Canal?
An endodontist may prescribe antibiotics for a spreading infection, but antibiotics usually do not replace treatment of the tooth itself. The American Dental Association’s 2019 guideline advises against antibiotics for most localized pulpal and root-related conditions in otherwise healthy adults when dental treatment is available. Fever or other signs of spread can change that decision.
How Soon Do I Need a Crown After a Root Canal?
Arrange the final restoration as soon as your dentist recommends, because a temporary filling does not provide lasting protection. Back teeth often need a crown or another cuspal-coverage restoration, while some front teeth need only a bonded filling. For example, a heavily filled molar can fracture if you postpone protection and chew hard foods.
Conclusion
An endodontist does much more than perform root canals: they diagnose difficult tooth pain, manage pulp disease and injuries, and assess whether specialized treatment can preserve a natural tooth. A molar with a missed canal, a front tooth injured during sports, and a tooth with a persistent root-tip infection may each need a different approach. The best plan addresses both the problem inside the tooth and the restoration that must protect it afterward. Understanding those separate roles makes it easier to compare recommendations and ask useful questions.
If you have lingering sensitivity, pain when biting, a draining gum bump, or a concerning dental X-ray, arrange a dental evaluation rather than waiting for symptoms to become severe. For example, a painless tooth with an infection around its root still deserves attention. Ask about the diagnosis, alternatives, total cost, final restoration, and follow-up before committing to treatment. With timely care and a clear plan shared by your endodontist and regular dentist, you can make an informed decision about your tooth’s future.