Health Insurance
5 min read • Updated September 2026
How Much Does a Root Canal Cost With Insurance?
Quick Answer / Executive Summary
Without insurance, a root canal typically costs $700-$1,000 on a front tooth, $800-$1,200 on a premolar, and $1,000-$1,800 on a molar (which has more canals to treat). With a standard dental PPO, root canals are usually classified as a major service at 50-70% coinsurance after the deductible, leaving a patient-owed balance of roughly $300-$700 — before the crown that usually follows is even factored in. See the full dental cost comparison for how this stacks against extraction and fillings.
Key Takeaways at a Glance
- Root canal pricing scales with the tooth's number of canals — a molar (3-4 canals) costs more to treat than a front tooth (typically 1 canal).
- Most PPO plans classify a root canal as a "major service," the same tier as crowns, meaning lower coinsurance (50-70%) and a longer typical waiting period than basic services like fillings.
- A root canal is almost always followed by a crown to protect the now-brittle tooth, so the root canal price alone understates the total cost of saving the tooth.
- Extraction is usually cheaper up front than a root canal plus crown, but replacing the extracted tooth later with a bridge or implant typically costs more than saving the natural tooth would have.
Why Tooth Location Changes the Root Canal Price
A root canal's price is driven largely by the number of canals inside the tooth, since each canal must be individually cleaned, shaped, and filled. Front teeth (incisors and canines) generally have a single canal and are the least expensive to treat. Premolars often have one or two canals. Molars, with three or four canals and a more complex root structure, take longer chair time and are priced highest — commonly $1,000-$1,800 without insurance.
How Major-Service Coverage Applies
Most dental PPO plans place root canals in the same "major service" coverage tier as crowns and bridges, typically reimbursed at 50-70% coinsurance rather than the 70-80% given to basic services like fillings. New plan members often face a 6- to 12-month waiting period on major services specifically to discourage buying a plan right before a known, expensive procedure — check your plan's effective date and waiting period language before assuming coverage will apply.
The Root Canal Is Rarely the Final Bill
Because a tooth that's had a root canal is more brittle and prone to fracture, dentists almost always recommend a crown afterward to protect it long-term — adding another $1,000-$2,500 without insurance, or $300-$750 out of pocket with a standard major-service coinsurance rate. Budgeting for the root canal alone, without planning for the follow-up crown, is one of the most common cost surprises patients report with this procedure.
What You Should Do: Step-by-Step Action Plan
1
Ask your dentist which tooth is affected and its typical canal count, since that's the biggest driver of the price quoted.
2
Confirm your plan's major-service waiting period and coinsurance percentage before assuming a specific reimbursement amount.
3
Budget for the follow-up crown at the same time you budget for the root canal — ask your dentist for both estimates together.
4
Get a written pre-treatment estimate from your insurer if the total (root canal plus crown) will be significant relative to your annual maximum.
Critical Mistakes to Avoid
- Budgeting for the root canal alone without planning for the crown that typically follows.
- Assuming a new dental plan's coverage applies immediately without checking its major-service waiting period.
- Not confirming the tooth's specific canal count, which is the main reason two root canal quotes for different teeth can differ significantly.
- Choosing extraction purely for the lower upfront cost without comparing it against the long-term cost of replacing the tooth later.