You have dental insurance. Your dentist recommends a crown, an implant, or a deep cleaning. The question that comes up right away: how much of this will my insurance actually cover?
That is exactly what a predetermination of benefits answers. It is a formal request that your dental office sends to your insurance company before treatment starts. The insurer reviews the proposed treatment, checks it against your plan, and sends back an estimate of what they will pay and what you will owe out of pocket.
A predetermination is not a guarantee of payment, but it is the closest thing to one. It eliminates most surprise billing that makes dental work stressful, and gives you a clear number to plan around before you sit in the chair.
This guide walks through the process, what you can do as a patient to speed it up, and what to watch for if the estimate comes back lower than expected.
What Is a Dental Insurance Predetermination of Benefits?
A predetermination (sometimes called a pre-treatment estimate, pre-authorization, or prior authorization) is a written request from your dentist to your insurance company that asks: “Will you cover this procedure, and if so, how much will you pay?”
Your dental office submits the proposed treatment plan along with supporting documentation such as X-rays, periodontal charting, or clinical notes. The insurance company reviews everything against your specific plan benefits, checks whether you have met your deductible, and calculates an estimated payment.
The result is a document that shows the procedure codes, the allowed amounts, the estimated insurance portion, and your estimated patient responsibility. Most predeterminations come back within two to four weeks, though some insurers process them faster.
Why You Should Request a Predetermination
For basic services like a filling or a routine cleaning, predetermination is usually unnecessary. Your insurance plan covers those at a predictable percentage, and the math is simple.
But for anything classified as a major service (crowns, bridges, implants, root canals, dentures, extractions, or periodontal surgery), a predetermination can save you from an unexpected bill. Here is why:
- You see your cost before committing. The predetermination letter breaks down what insurance pays and what you owe. You can budget for it, set up a payment plan, or decide to wait.
- It catches coverage gaps early. Some plans have waiting periods, annual maximums, frequency limits, or exclusions for specific procedures. A predetermination surfaces these before you are in the middle of treatment.
- It creates a paper trail. If the insurance company later tries to pay less than what the predetermination stated, you have documentation to dispute it.
- It helps with treatment decisions. If insurance covers an implant but not the bone graft that makes the implant possible, you need to know that upfront so you can plan for the full cost.
How the Predetermination Process Works (Step by Step)
Step 1: Your dentist recommends a treatment plan.
During your exam, your dentist identifies a problem and recommends a course of treatment. For example, a cracked molar that needs a crown, or bone loss that requires scaling and root planing.
Step 2: The front desk submits the predetermination.
Your dental office prepares a predetermination package that includes the treatment plan, the procedure codes (also called CDT codes), and any supporting clinical evidence, such as X-rays or photos. This package is submitted electronically or by mail to your insurance company.
Step 3: The insurance company reviews the claim.
A claims examiner (and sometimes a dental consultant employed by the insurer) reviews the documentation against your plan. They check things like your remaining annual maximum, whether the procedure is covered under your tier of benefits, and whether the clinical evidence supports the need for treatment.
Step 4: You receive the predetermination letter.
The insurance company sends a response (an Explanation of Benefits, or EOB) to both the dental office and the patient. This letter shows the estimated allowed amount, the insurance payment, and your estimated copay or coinsurance. The turnaround is typically 2 to 4 weeks, though some carriers respond within days when submitted electronically.
Step 5: You review the numbers and decide how to proceed.
Once you and your dental office have the predetermination, you can move forward with treatment, discuss financing for your portion, or explore alternative treatment options if the cost is higher than expected.
What to Ask Your Dental Office Before Submitting
You do not need to be an insurance expert, but asking a few questions upfront can save time and avoid confusion later:
- “Will you submit a predetermination before scheduling this procedure?” Not every office does this automatically. At Newport Dental, we submit predeterminations for major services as part of our standard workflow.
- “How long will it take to hear back?” This depends on the insurer. Electronic submissions are faster. If you are in pain or the treatment is time-sensitive, let the front desk know so they can flag it.
- “What happens if the predetermination comes back lower than expected?” A good dental office will walk you through the numbers and help you understand your options, including appealing the decision.
- “Is there anything I need to provide?” In most cases, no. Your dental office handles the paperwork. But if you recently changed insurance plans or have dual coverage, let them know so the correct plan is billed.
Insider Tips Most Patients Do Not Know
The predetermination process is not always straightforward. Here are a few things that can work in your favor if you know about them:
A predetermination is not a guarantee.
Insurance companies include fine print stating that the estimate is based on the information available at the time and is subject to change. If your benefits change between the predetermination and the actual treatment date (for example, you reach your annual maximum on another claim), the final payment may differ. Get treatment done while the predetermination is still current.
You can request a predetermination yourself.
If your dental office does not offer to submit one, you can call your insurance company directly and ask what steps are needed. However, it is much easier when the dental office handles it because they have the clinical documentation on file.
Downgrades are common and challengeable.
Some insurance plans use a practice called alternate benefit downgrades. This means the insurer agrees the tooth needs treatment but will only pay for the cheapest option. For example, they may approve a silver amalgam filling amount even though your dentist placed a tooth-colored composite. The predetermination will show this downgrade, giving you time to understand the gap before treatment.
Narratives and additional documentation can change the outcome.
If a predetermination comes back denied or underpaid, your dentist can write a clinical narrative explaining why the recommended treatment is necessary. Attaching additional X-rays, intraoral photos, or periodontal charting with the narrative can lead the insurer to reverse their decision. This is essentially an appeal, and it works more often than patients expect.
Timing matters for annual maximums.
If you need multiple major procedures and your plan has a $1,500 annual maximum, your dental office can strategically schedule treatment across two benefit years. A predetermination helps map this out so you maximize what insurance pays over time.
Procedures That Benefit Most from a Predetermination
Not every visit needs a predetermination. Here is a quick reference:
| Procedure | Predetermination Recommended? |
| Routine cleaning and exam | No, usually covered at standard rates |
| Fillings | Not usually, unless multiple teeth are involved |
| Crowns | Yes, major service with variable coverage |
| Root canals | Yes, especially on molars |
| Dental implants | Yes, many plans exclude or limit coverage |
| Bridges and dentures | Yes, major prosthetic with waiting periods |
| Scaling and root planing (SRP) | Yes, some plans require documentation of bone loss |
| Extractions (surgical) | Yes, coverage varies by complexity |
| Orthodontics / Invisalign | Yes, separate benefit with lifetime maximums |
Insurance Plans We Work With at Newport Dental
Newport Dental in Factoria is in-network with most major PPO dental plans, including MetLife, Cigna, Blue Cross Blue Shield, Aetna, Guardian, United Healthcare, Delta Dental, Premera, and Regence. We also accept Medicaid plans, including DSHS Apple Health and Molina. For a full list of accepted insurance, visit our insurance page.
Our front desk team handles predetermination submissions for all of these carriers. If you are unsure whether your plan requires a predetermination or pre-authorization for a specific procedure, call us at 425-641-5303, and we will check for you.
What to Do If Your Predetermination Is Denied
A denial of a predetermination is not the end of the road. It means the insurance company, based on what they reviewed, does not see enough justification to cover the procedure under your plan. Here is what you can do:
- Ask your dental office to submit a narrative. A letter from your dentist explaining why the treatment is medically necessary, supported by clinical evidence, is the most effective way to overturn a denial.
- Request the denial reason in writing. Insurance companies are required to provide a specific reason for the denial. Knowing the reason tells you exactly what documentation to include in the appeal.
- Check your plan document. Sometimes a denial is based on a frequency limitation (for example, your plan covers a crown replacement only every 5 years). If your situation is different from what the insurer assumed, that information can be included in the appeal.
- File a formal appeal. Most plans allow at least one level of appeal. Your dental office can help you put this together. Appeals that include updated X-rays, periodontal charting, and a clinical narrative have a higher success rate than appeals submitted without supporting evidence.
Get Answers Before You Commit to Treatment
A predetermination takes a few extra days but can save you hundreds (or thousands) of dollars in unexpected costs. At Newport Dental in Factoria, we submit predeterminations for major procedures as part of our standard process. If you have been told you need dental work and want to understand your insurance coverage before moving forward, schedule a consultation or call us at 425-641-5303.
