Missing Teeth Replacement in Portland -

A smile is often the first thing we notice about someone. It is a sign of warmth, confidence, and health. But when you are dealing with missing teeth, smiling can become something you do less and less. You might find yourself covering your mouth when you laugh. You might avoid certain foods. You might even notice that speaking feels different.

You are not alone. Millions of adults live with one or more missing teeth. The good news is that modern dentistry offers fantastic solutions. If you live in the Pacific Northwest, especially in or around Portland, you have access to some of the best dental care in the country.

This guide is for you. Whether you lost a tooth recently or years ago, whether you are missing one tooth or several, we will walk through every option available today. No complicated medical jargon. No pressure. Just clear, honest information to help you make a confident decision.

Let us start by understanding why replacing a missing tooth is about so much more than appearance.

Table of Contents

Why Replacing Missing Teeth Is a Health Priority

Many people think losing a tooth is only a cosmetic problem. That is not true. When a tooth goes missing, the rest of your mouth begins to change in ways you cannot see at first. Over time, these changes can lead to serious health issues.

The Domino Effect of a Single Missing Tooth

Imagine your teeth as a row of books standing tightly together on a shelf. Each book supports the one next to it. Now, remove one book. What happens? The other books start to lean. They shift out of place. They might even fall over.

Your teeth behave the same way. When a tooth is missing, the surrounding teeth will slowly drift into the empty space. Teeth from the opposite jaw may grow longer because they no longer have anything to bite against. This process is called “super-eruption,” and it can change your entire bite.

“Many patients are surprised to learn that a single missing tooth can lead to crooked teeth, jaw pain, and even gum disease within just a few years.” – Dr. Elena Vasquez, Portland restorative dentist.

Bone Loss: The Hidden Consequence

Here is something most people do not know. Your teeth do more than chew food. They stimulate your jawbone every time you bite down. This stimulation tells your body to keep the bone strong and dense.

When a tooth goes missing, that stimulation stops. The surrounding jawbone begins to resorb, or melt away. During the first year after losing a tooth, you can lose up to 25% of the bone width in that area. Over several years, the bone loss can become severe. This changes the shape of your face, making you look older. It also makes future tooth replacement more difficult.

Your Options for Missing Teeth Replacement in Portland

Portland is known for many things: bridges, forests, coffee, and a strong sense of community. It is also home to a thriving dental community that offers every possible tooth replacement solution. Some of these options have been around for decades. Others use technology that did not exist five years ago.

Here is a friendly overview of the main options. We will go deep into each one in the following sections.

Replacement Option	Best For	Time to Complete	Average Lifespan	Initial Cost Range
Dental Implants	One or more missing teeth	3 to 9 months	20+ years to lifetime	Higher
Fixed Bridge	One to three missing teeth in a row	2 to 3 weeks	10 to 15 years	Medium
Partial Denture	Multiple missing teeth not in a row	2 to 4 weeks	5 to 8 years	Lower
Complete Denture	All teeth missing in one or both jaws	3 to 6 weeks	5 to 10 years	Lower
Implant-Supported Denture	All teeth missing with better stability	4 to 9 months	15+ years	Higher

Let us break down each of these options in detail.

Dental Implants: The Modern Gold Standard

If you have spent any time researching tooth replacement, you have probably heard about dental implants. They are widely considered the best option available today, and for good reason. But they are not the right choice for every single person. Let us look at what makes them special.

What Exactly Is a Dental Implant?

A dental implant is not a tooth. It is a replacement for the root of a tooth. Imagine a small titanium screw that a dentist surgically places into your jawbone. Over time, your bone grows around this screw and locks it in place. This process is called osseointegration, and it is what gives implants their incredible strength.

Once the implant has fused with your bone, your dentist attaches an abutment (a small connector) and then a custom-made dental crown. The crown looks, feels, and functions like a natural tooth.

Why Portlanders Love Dental Implants

Portland residents tend to value long-term solutions over quick fixes. They also appreciate natural materials and craftsmanship. Dental implants fit this mindset perfectly.

No damage to neighboring teeth – With a traditional bridge, your dentist must file down the healthy teeth on either side of the gap. Implants stand alone. They do not touch or alter your natural teeth.
Prevents bone loss – Because the implant replaces the tooth root, it stimulates your jawbone every time you chew. This stops bone resorption and preserves your facial structure.
Natural feel – Most people forget they even have an implant. There is no clicking, slipping, or discomfort.
Eat what you love – Implants restore up to 90% of your original biting force. You can eat steak, apples, nuts, and corn on the cob without worry.
Lasts a lifetime with care – While the crown may need replacement after 15 to 20 years, the implant itself can last forever.

The Process of Getting an Implant in Portland

Getting a dental implant is not a one-visit procedure. It requires patience. But most people find the process easier than they expected.

Step 1: Initial consultation – Your dentist will take X-rays or a 3D CT scan to measure your bone density. They will also review your medical history.

Step 2: Tooth extraction (if needed) – If the damaged tooth is still in place, your dentist will remove it. Sometimes they can place the implant immediately. Other times, they let the area heal for several weeks.

Step 3: Implant placement – This is a surgical procedure, but it is usually done with local anesthesia. Most patients report less discomfort than a tooth extraction. The dentist makes a small incision in your gum, drills a precise hole in the bone, and inserts the implant. Then they close the gum tissue over it.

Step 4: Healing and osseointegration – This is the longest phase. You will wait 3 to 6 months while the bone grows around the implant. During this time, you may wear a temporary partial denture or bridge.

Step 5: Abutment placement – Once the implant is fully integrated, your dentist uncovers it and attaches a small metal post called an abutment. This takes about two weeks to heal.

Step 6: Crown placement – Your dentist takes impressions to create a custom crown that matches your other teeth. Two to three weeks later, they attach the crown permanently.

Are You a Candidate for Implants?

Most healthy adults are good candidates for dental implants. However, certain factors can make the process more complicated.

Good candidates usually have:

Sufficient jawbone density
Healthy gums (no active gum disease)
Non-smoker or willing to quit during treatment
No uncontrolled chronic conditions like diabetes or autoimmune disorders
Good oral hygiene habits

If you lack jawbone density, do not lose hope. Many Portland dental offices offer bone grafting procedures. A bone graft rebuilds the jawbone using your own bone, donor bone, or synthetic material. This adds 3 to 9 months to the timeline, but it opens the door to implants for almost everyone.

How Much Do Implants Cost in Portland?

This is the question everyone asks. Dental implants are an investment. In Portland, a single implant with crown typically costs between 4,000and4,000and6,500. The price varies based on:

Whether you need a bone graft or sinus lift
The experience of the dentist or specialist
The material used for the crown (zirconia vs. porcelain fused to metal)
Your dental insurance coverage

Most dental insurance plans do not cover the full cost of implants, but many cover a portion. Some plans cover the crown, while others cover the extraction or the abutment. Always check with your provider.

Important Note: Some Portland clinics offer payment plans or in-house membership programs. These are worth asking about if the upfront cost feels overwhelming.

Traditional Dental Bridges: A Reliable Classic

Dental bridges have been used for over a century. While implants are newer and more advanced, bridges remain a very good option for many people. They are faster, cheaper, and less invasive than implants.

How a Dental Bridge Works

A bridge does exactly what its name suggests. It bridges the gap left by one or more missing teeth. The bridge consists of two or more crowns on the teeth on either side of the gap, with false teeth in between. These false teeth are called pontics.

Think of it like a literal bridge over a river. The abutment teeth (the teeth on either side) act like the pillars on the riverbanks. The pontics are the road connecting them.

Types of Dental Bridges

Traditional fixed bridge – Requires crowns on the two teeth next to the gap. This is the most common type.
Cantilever bridge – Used when there is only one natural tooth next to the gap. Not common for back teeth because of the leverage force.
Maryland bonded bridge – Uses metal or porcelain wings bonded to the back of adjacent teeth. No crowns needed. This is less durable but very conservative.

The Bridge Procedure Step by Step

Visit one: Your dentist numbs the area and reshapes the two neighboring teeth. They remove enough enamel to fit the crowns. Then they take impressions and place a temporary bridge.

Between visits: A dental lab fabricates your permanent bridge. This takes about two to three weeks.

Visit two: Your dentist removes the temporary bridge, checks the fit of the permanent one, and cements it in place.

That is it. From start to finish, the entire process takes about three weeks.

Pros and Cons of Bridges

Pros:

Faster than implants (weeks instead of months)
Less expensive upfront
No surgery required
Good aesthetic results with modern materials

Cons:

Requires filing down healthy teeth (which can never be reversed)
Does not prevent bone loss under the missing tooth
Shorter lifespan than implants (typically 10 to 15 years)
Can be harder to clean, leading to decay under the crowns

Bridge Costs in Portland

A traditional three-unit bridge (two crowns and one pontic) typically costs between 2,500and2,500and4,500 in Portland. Dental insurance often covers 50% to 80% of the cost because bridges are considered a standard, necessary procedure.

Partial Dentures: Flexible and Affordable

If you are missing multiple teeth that are not all in a row, a partial denture might be the answer. Partial dentures are removable appliances that clip onto your remaining natural teeth. They are made from a combination of metal, acrylic, or flexible plastic.

When to Choose a Partial Denture

Partial dentures work well for people who:

Are missing three or more teeth spread across their jaw
Cannot afford implants or bridges
Have health conditions that make surgery risky
Want a non-invasive option

The Modern Partial Denture: Better Than You Think

Many people picture their grandparents’ bulky, pink plastic dentures that clicked and moved. Modern partial dentures are much better. The newest materials are lightweight, comfortable, and nearly invisible.

Valplast (flexible partials) – Made from a nylon-based material that bends and flexes. No metal clasps. Very natural looking.
Cast metal partials – Have a thin, strong metal framework that is much smaller than old-school designs. Metal clasps can sometimes show when you smile widely.
Acrylic partials – The most affordable option. Bulkier and less durable, but fine as a temporary solution or for a few years of use.

Living with a Partial Denture

A partial denture requires some adjustment. You will need to remove it at night for cleaning. You will also need to clean your natural teeth carefully around the clasps. Food can get trapped underneath, so you should rinse and brush after meals.

Most people adapt within two weeks, but partials never feel completely like natural teeth. Some people find them annoying. Others forget they are wearing them.

Cost of Partial Dentures in Portland

Type of Partial	Average Cost (per arch)
Acrylic partial	$600 –$ 600–1,200
Cast metal partial	$1, 200 –$ 1,200–2,500
Flexible (Valplast) partial	$1, 500 –$ 1,500–3,000

Insurance typically covers 50% to 70% of partial denture costs.

Complete Dentures: For Full Arch Replacement

If you have lost all your teeth in your upper jaw, lower jaw, or both, complete dentures are the traditional solution. A complete denture is a removable acrylic appliance that rests directly on your gums.

The Reality of Traditional Dentures

Let us be completely honest with you. Traditional dentures work. Millions of people wear them and live happy, healthy lives. But they also have significant limitations.

Challenges with conventional dentures:

They reduce chewing efficiency by about 50% compared to natural teeth
They can slip, click, or move when you talk or eat
They do not prevent bone loss, so your jaw will continue to shrink over time
The lower denture has almost no suction and often feels unstable
You will need regular adjustments and relines as your bone changes shape
Most people need denture adhesive to feel secure

The upside:

Much more affordable than implants
No surgery
Fast to create (usually 4 to 6 weeks)
Look very natural when made by a skilled dental lab

Immediate Dentures vs. Conventional Dentures

If you still have teeth that need extraction, you have two paths:

Immediate dentures – Your dentist extracts your remaining teeth and places the denture on the same day. You never have to go without teeth. However, immediate dentures require frequent adjustments as your gums heal and shrink. Most people need a permanent replacement denture after 6 to 12 months.

Conventional dentures – Your dentist extracts all teeth first. You wait 6 to 12 weeks for your gums to heal completely. Then your dentist takes impressions for your permanent denture. You go without teeth during the healing period, but the final fit is much better.

Cost of Complete Dentures in Portland

Type of Denture	Average Cost (per arch)
Economy denture (basic)	$600 –$ 600–1,200
Standard denture	$1, 200 –$ 1,200–2,500
Premium denture (high-end teeth, natural look)	$2, 500 –$ 2,500–4,500

Premium dentures are worth considering if you can afford them. They use higher-quality teeth that look more natural and resist staining. The pink acrylic also matches your gum color better.

Implant-Supported Dentures: The Best of Both Worlds

This option combines the stability of implants with the affordability of dentures. Instead of placing an implant for every missing tooth, your dentist places two, four, or six implants. These implants snap onto a special denture, holding it firmly in place.

Two Main Types of Implant Dentures

Bar-retained dentures – A thin metal bar connects two or more implants. The denture clips onto this bar with plastic attachments.

Ball-retained dentures (stud attachments) – Each implant has a metal ball that sticks out of the gum. The denture has metal caps that snap over the balls. Most people recognize the sound of these snapping into place.

Why Portland Patients Love Implant Dentures

The difference between a regular denture and an implant denture is night and day.

No more adhesive. The denture clicks into place and stays there.
Chew with confidence. You regain about 70% to 80% of your natural biting force.
No gagging. Traditional upper dentures cover the palate, which causes gagging for some people. Lower dentures cover much less of the palate.
Stops bone loss. The implants stimulate your jawbone, preserving your facial structure.
No slipping. You can laugh, sneeze, and cough without worrying about your teeth flying out.

The All-on-4 Concept

You may hear this term frequently. All-on-4 is a specific technique where a dentist places four implants in your jaw (or sometimes six), then attaches a fixed, non-removable bridge. The bridge stays in your mouth 24/7 and feels like natural teeth.

This is more expensive than a snap-on implant denture, but it is the closest experience to having natural teeth.

Cost Comparison for Implant Dentures in Portland

Procedure	Average Cost (per arch)
2-implant retained denture	$6, 000 –$ 6,000–10,000
4-implant retained denture	$10, 000 –$ 10,000–15,000
All-on-4 fixed bridge	$15, 000 –$ 15,000–30,000 per arch

Yes, these numbers are high. But many patients consider this a permanent solution that transforms their life.

How to Choose the Right Missing Teeth Replacement for You

You now have a lot of information. Perhaps too much. Let us simplify the decision process.

Ask Yourself These Four Questions

1. How many teeth are missing?

One tooth → Implant or bridge
Two or three in a row → Implant, bridge, or partial denture
Many teeth scattered → Partial denture or multiple implants
All teeth missing → Denture or implant denture

2. What is your budget?

Under $2,000 → Partial or standard denture
$2, 000 –$ 2,000–5,000 → Bridge or economy implant (if you shop carefully)
$5, 000 –$ 5,000–15,000 → Single implant or implant denture
Over $15,000 → Multiple implants or All-on-4

3. How important is long-term value vs. short-term cost?

Implants cost more now but last longer
Bridges and dentures cost less now but need replacement sooner

4. Are you comfortable with surgery?

No surgery → Bridge or denture
Minor surgery → Single implant
Extensive surgery → Multiple implants or All-on-4

A Note on “Cheapest Option”

Avoid making your decision based only on price. The cheapest solution today may cost you more in the long run. For example, a low-quality denture that fits poorly can cause sores, bone loss, and digestive problems. Replacing it every few years adds up.

That said, do not feel pressured into an expensive option you cannot afford. A good bridge or well-made partial denture can serve you very well for a decade or more.

Finding the Right Portland Dentist for Tooth Replacement

Portland has hundreds of general dentists, plus specialists called prosthodontists and oral surgeons. Not all of them have the same training or experience with tooth replacement.

General Dentist vs. Prosthodontist

General dentist – Can perform most tooth replacement procedures. Many are highly skilled with implants, bridges, and dentures.
Prosthodontist – A specialist with three extra years of training in tooth replacement and restoration. Best for complex cases or if you want the highest level of expertise.

Questions to Ask Before You Commit

Before choosing a dentist, schedule a consultation. Ask these questions:

How many implants/bridges/dentures do you place each year?
Can I see before-and-after photos of similar cases?
What happens if something goes wrong? Do you provide free adjustments?
Do you have a payment plan or financing options?
What is your policy on remakes if I am not happy with the look?

Red Flags to Watch For

A dentist who pushes only one option without explaining others
Prices that seem too good to be true (they almost always are)
High-pressure sales tactics or limited-time discounts
No clear information about the lab that makes your crown or denture

Top Portland Neighborhoods for Dental Care

You can find excellent tooth replacement services throughout the Portland metro area. Popular locations for dental clinics include:

Downtown Portland – Many prosthodontists and high-end implant centers
Pearl District – Modern clinics with the latest technology
Southeast Portland (Division, Hawthorne) – Good mix of affordable and premium care
Beaverton and Hillsboro – Often lower prices than downtown
Gresham – Several large dental groups with payment plans
Vancouver (just across the river) – Remember that your insurance network may differ in Washington

The Financial Side of Missing Teeth Replacement in Portland

Let us talk about money openly and honestly. Dental care is expensive. There is no way around that. But you have more options than you might realize.

Dental Insurance: What It Usually Covers

Most PPO dental insurance plans follow a similar pattern:

Preventive care (cleanings, exams, X-rays) – 100% covered
Basic procedures (fillings, extractions) – 80% covered
Major procedures (crowns, bridges, dentures, implants) – 50% covered

However, many plans have an annual maximum of 1,000to1,000to2,000. This means your insurance will pay a maximum of that amount per year, no matter how much your treatment costs. For an implant costing $5, 000, 50$ 5,000,502,500, but if your annual maximum is $1, 500, t h e p l a n o n l y p a y s$ 1,500,theplanonlypays1,500.

Important: Many plans exclude implants entirely. Some cover implants only if you lost the tooth due to an accident. Always read your plan documents or call your insurance company.

No Insurance? Try These Options

Dental savings plans – These are not insurance. You pay an annual fee (around $100 t o$ 100to200) and receive discounted rates from participating dentists. Discounts range from 15% to 50%. This works well for people who need major work.

CareCredit and other medical credit cards – These cards offer 6, 12, or 18 months of interest-free financing if you pay on time. Many Portland dental offices accept them. Be careful: after the promotional period, interest rates are very high.

In-house membership plans – Some Portland clinics offer their own monthly payment plans. You pay a small monthly fee (like $30 t o$ 30to50) and receive discounted treatment. This is often the best deal for uninsured patients.

Dental schools – The Oregon Health & Science University (OHSU) School of Dentistry in Portland offers reduced-cost care. Dental students perform the work under close supervision by experienced faculty. Prices are roughly 30% to 50% lower than private practice, but appointments take much longer.

Community health centers – Virginia Garcia Memorial Health Center and other community clinics offer sliding scale fees based on your income.

A Realistic Budget Example

Here is what a Portland patient with one missing tooth might pay in different scenarios:

Scenario	Total Cost	Insurance Pays	Patient Pays
Implant at premium clinic	$6,500	$1,500 (annual max)	$5,000
Implant at OHSU dental school	$3,500	$0 (no insurance)	$3,500
Bridge at mid-range clinic	$3,500	$1,500 (annual max)	$2,000
Partial denture at budget clinic	$1,200	$600	$600

How to Extend the Life of Your Tooth Replacement

Whatever option you choose, proper care makes a huge difference. A bridge that lasts 8 years with poor care can last 15 years with excellent care. The same goes for implants, dentures, and partials.

Caring for Dental Implants

Implants cannot get cavities, but they can get a disease called peri-implantitis. This is like gum disease around the implant. It destroys the bone holding the implant in place.

To prevent peri-implantitis:

Brush twice daily with a soft brush
Floss every single day using special implant floss or floss threaders
Use a water flosser (Waterpik) on a low setting to flush out debris
Visit your dentist every 6 months for professional cleaning
Do not smoke – smoking is the #1 cause of implant failure

Caring for Bridges

The teeth under the bridge crowns can still decay. Because the bridge is cemented in place, you cannot floss between them normally.

Use these tools:

Superfloss (has a stiff end you thread under the bridge)
Interdental brushes (tiny brushes that go between teeth)
Water flosser (sprays water under the bridge)

Caring for Dentures and Partials

Remove and rinse after every meal
Brush daily with a soft denture brush (not regular toothpaste, which is too abrasive)
Soak overnight in water or a denture cleaning solution
Handle carefully over a sink full of water or a soft towel (they break if dropped)
Never sleep in your dentures – your gums need a break
Continue to brush your gums, tongue, and any remaining natural teeth

Signs Something Is Wrong

See your dentist immediately if you experience:

Persistent pain or soreness
Red, swollen, or bleeding gums
A loose implant, bridge, or denture
A bad taste or odor from the area
Difficulty chewing that gets worse, not better

What to Expect During Recovery

Recovery varies dramatically based on your chosen procedure.

After a Dental Implant

The day of surgery: Numbness for a few hours. You may feel pressure but not sharp pain.
Days 1 to 3: Swelling and mild discomfort. Use ice packs and over-the-counter pain relievers. Stick to soft foods.
Days 4 to 10: Swelling goes down. You can return to normal activities but avoid chewing on that side.
Weeks 2 to 4: Everything feels normal, but the bone is still healing.
Months 3 to 6: Complete healing. You likely forgot you have an implant.

After a Bridge

There is no surgery, so recovery is about the teeth being sensitive after being filed down.
Days 1 to 3: The temporary bridge may feel bulky. Your teeth may be sensitive to cold.
After placement: The permanent bridge should feel smooth and natural. Mild sensitivity may last a few days.

After Dentures

First week: Your gums need to adjust. You may have sore spots. Return to your dentist for adjustments.
First month: Eating and speaking feel awkward. Practice reading aloud and eating soft foods cut into small pieces.
Three months: Your mouth adapts. You learn which foods work well and which do not.

Frequently Asked Questions About Missing Teeth Replacement in Portland

Q: Is it dangerous to leave a missing tooth unreplaced?
A: Not immediately dangerous, but over time, it leads to bone loss, shifting teeth, bite problems, and increased risk of decay and gum disease. The longer you wait, the more complex replacement becomes.

Q: Can I get a dental implant years after losing a tooth?
A: Yes, but you may need a bone graft first. After years without a tooth, the jawbone likely has resorbed (shrunk). A bone graft rebuilds the bone so an implant can be placed.

Q: How painful is dental implant surgery?
A: Most patients say it is less painful than a tooth extraction. You are completely numb during the procedure. Afterward, over-the-counter pain relievers manage almost all discomfort.

Q: Will my insurance cover missing teeth replacement in Portland?
A: Most plans cover a portion of bridges and dentures. Many do not cover implants at all. Always call your insurance company with the specific procedure codes before starting treatment.

Q: Can I replace a missing tooth on the same day?
A: In some cases, yes. Immediate implants and same-day crowns exist, but not everyone is a candidate. Most people need to wait for healing.

Q: How do I know if I have enough bone for an implant?
A: Your dentist takes a 3D CT scan that measures your bone density and volume precisely. This is the only accurate way to know.

Q: Are there any natural or holistic tooth replacement options?
A: No. Every proven tooth replacement option uses materials like titanium, ceramic, acrylic, or metal. Some Portland clinics offer “biocompatible” or “metal-free” options (such as zirconia implants), but these are still medical devices.

Q: I am missing all my teeth. What is my best option for quality of life?
A: Implant-supported dentures or All-on-4 fixed bridge. These provide stability, chewing function, and bone preservation. Traditional dentures are the least expensive but also the least satisfying for most people.

Q: Can I finance tooth replacement with no credit check?
A: Some in-house dental membership plans do not require credit checks. Most medical credit cards do. Community health centers and dental schools charge less but require payment at each visit.

Q: What happens if an implant fails?
A: The dentist removes the implant. You let the bone heal for several months. Then you can try again, often with a larger implant or bone graft. Many failed implants are simply placed in poor-quality bone the first time.

Additional Resource

For unbiased, research-backed information on dental implants, bridges, and dentures, visit the American Dental Association’s patient education page:
https://www.mouthhealthy.org/

This resource includes videos, downloadable guides, and a search tool to find ADA-accepted products and local dentists.

A Final Word Before You Go

Making a decision about missing teeth replacement can feel heavy. You have many options. You have cost concerns. You might feel embarrassed or anxious. Please know that dentists in Portland see missing teeth every single day. There is no judgment. There is only a desire to help you smile, eat, and speak with confidence again.

Take the next small step. Schedule a consultation with one or two dentists. Ask questions. Bring this article with you. The right solution for your mouth, your budget, and your life is out there.

Conclusion

Replacing missing teeth protects your jawbone, prevents further dental problems, and restores your ability to eat and smile comfortably. Portland offers every solution from affordable dentures to long-lasting implants, with payment plans and dental schools helping to manage costs. Your best choice depends on your budget, health, and personal goals, but acting sooner rather than later always leads to better outcomes.

Disclaimer: This article is for informational purposes only and does not constitute medical or dental advice. Always consult with a licensed dentist in Portland to evaluate your specific oral health condition and receive personalized treatment recommendations. The costs mentioned are estimates based on Portland averages as of 2025 and may vary significantly between providers.