From cleanings to crowns: What dental insurance usually covers
Posted on April 2, 2026 in Healthy You
Dental insurance is an investment in your health, and understanding your coverage is important to getting the most out of it. But we know insurance can be confusing. Terms like preventive, basic and major services show up on benefit summaries, but what do they actually mean for your care (and your wallet)?
Plans vary, but below is a simple breakdown to help you better understand how your Delta Dental of Iowa insurance typically works.*
Before we get into different coverage levels, it’s important to note that seeing an in-network provider is important to getting the most from your insurance. In-network providers have agreed to pay discounted rates for Delta Dental members. If you need to find an in-network dentist, our online Find a Provider tool can help.
Preventive services: Full coverage for healthy habits
Preventive care is about maintaining your oral health and catching problems early.
Because these services help you avoid more serious (and costly) issues down the road, keeping on top of your twice-yearly dental visits is a smart move. That’s why Delta Dental of Iowa plans cover these appointments at or near 100%, meaning you may pay little or nothing out of pocket for these visits when you see an in-network provider.
Preventive services may include:
- Routine exams every 6 months
- Professional cleanings
- Bitewing X-rays
- Fluoride treatments (especially for children)
- Sealants for kids and teens
Basic services: Treating common problems
Basic services address minor dental issues that need treatment but aren’t considered complex procedures. Coverage for basic services is usually lower than preventive care, and some cost sharing (the member and insurance each pay a portion of the cost) is common.
Examples of basic services may include:
- Cavity fillings
- Root canals
- Simple tooth extractions
- Periodontal (gum) therapy
- Treatment for minor dental infections
Depending on your plan, basic services are often covered at around 50-70% after you meet your deductible.
Major services: Restoring function and health
Major services are typically more involved procedures designed to repair or replace damaged or missing teeth. Because these treatments are more complex and costly, they usually have the lowest coverage level.
Major services may include:
- Crowns
- Bridges
- Dentures
- Some oral surgeries
Coverage for major services is commonly around 50%, but some plans do not cover major services. Most plans also have an annual benefit maximum (the total amount your plan will pay in a year), which can also affect how much you’ll pay out of pocket.
Why coverage can vary
Delta Dental of Iowa has designed a range of dental plans to help meet members’ different needs, and no two dental plans are exactly the same. Coverage levels, deductibles and annual benefit maximums can vary depending on your specific plan and employer benefits.
If you’re unsure what your plan covers, Delta Dental of Iowa Customer Service Representatives can walk you through your benefits and help estimate costs before treatment. You’ll find the customer service number on the back of your Delta Dental of Iowa ID card.
Delta Dental of Iowa members – log in to Member Connection to see your specific benefits and plan details. Don’t have a Member Connection account? Click here for instructions on how to register.
Dental insurance supports your oral health at every stage. Understanding the difference between preventive, basic and major services can help you make informed decisions, avoid surprises and get the most value from your benefits.
*For complete details of coverage, including exclusions, limitations, and out-of-network coverage, call 877-423-3582 or visit deltadentalia.com.