What Are the 7 Types of Dental Fillings? Pros, Cons & Costs

Dr. Emrah YEŞİLYURT

Dr. Emrah Yeşilyurt is the Founder of Avangart Clinic. He combines advanced dental expertise with a genuine commitment to helping patients feel comfortable and informed about their oral health journey.

7 Types of Dental Fillings: Pros, Cons and Costs

Nowadays, cavities are common and persistent. About 90% of adults over 20 have had at least one, and right now, 1 in 4 people of ages between 20 to 64 are dealing with one. The good news is that dental fillings can help stop tooth decay, guard against infection, and save your smile.

In this guide, we’ll walk through the types of dental fillings, the benefits of each, and what they cost. You’ll learn when each material is most suitable, where it struggles, and how long it usually lasts. That way, you can talk with your dentist and choose with confidence.

We’ll also touch on budget-friendly options, including what to know about dental fillings Turkey for those comparing prices abroad.

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1. Amalgam Dental Fillings Explained

Amalgam is one of the oldest and most studied filling materials. It is a mix of liquid mercury with a powdered alloy of silver, tin, and copper. Many dentists still use it for back teeth that endure heavy chewing.

Here is how it works. Your dentist removes the decay to make a clean space, then packs a soft amalgam putty into the hole. It is shaped to match your tooth and bite and allowed to set.

Why choose amalgam? It is tough, can handle large cavities, and often lasts up to 15 years. It also costs less and usually takes less chair time in the clinic than other options.

There are also some trade-offs. The silver color is easy to see, and placing it often means removing a bit more of a healthy tooth structure compared to other options. Amalgam can expand and contract with temperature, which may raise the increase of cracks.

Safety and fit matter. Because amalgam filling contains elemental mercury, it may not suit pregnant or nursing mothers, children under 6, or anyone with mercury allergies or certain kidney or nerve issues.

2. Composite Resin Fillings for a Natural Look

Composite resin fillings match the color of your natural teeth and are designed to blend with your smile. They are made from a mix of plastic and tiny glass particles. That is why they look natural in photos and up close.

Your dentist places composite tooth colored fillings in a clean, dry tooth, shaping it carefully. The dental filling materials bond to the tooth surface, which helps support the remaining enamel. This makes it a common choice for front teeth and visible areas.

Composite resin fillings can help repair small chips, match your tooth shade, and don’t contain any metal. It works well for small to medium cavities and usually needs less healthy tooth removal compared to other filling options like amalgam.

There are also some limitations. Composite is not as long-lasting as amalgam, often lasting five to seven years, depending on bite and location. It can take more time to place and needs experience and skill to get right.

It is not ideal for large areas or spots that take heavy chewing, like some molars. Some dental insurance plans do not cover it in the back teeth, so check your benefits.

Among tooth filling types, composite offers excellent durability for a natural look and a minimally invasive approach.

3. Glass Ionomer Fillings and Their Everyday Uses

Glass ionomer is a tooth colored material made from resin and glass powder. It blends with your smile and slowly releases fluoride, which helps protect nearby enamel. That mix of looks and protection is why many dentists prefer it for specific types of cavities.

You’ll often see dentists use glass ionomer for cavities on the root of a tooth or in areas where a lot of saliva gathers. It also works as the cement that holds inlays or onlays made in a lab. In these roles, bonding and fluoride release matter more than heavy strength.

The advantages are clear. It bonds to the tooth, supports weakened areas, and is not sensitive to hot or cold, which reduces stress cracks. The shade looks natural, even if not as exact as a composite.

However, it is weaker than composite or amalgam and usually lasts around five years before a touch-up is needed. It is not ideal for areas that need heavy chewing like molars.

Placement takes patience. Dentists build it in thin layers, one top of another, so visits can be a bit longer, and the technique demands high skill from the dentist. It can also cost more than amalgam.

Among the types of tooth fillings, glass ionomer fills a useful niche when cavity location and fluoride support are the top priorities.

4. Gold Fillings: Long-Lasting but Costly

Gold fillings are made from gold mixed with copper and other trace metals. Most are crafted in a lab, so you usually visit twice: once for the impression and once to place the inlay or onlay. For very small cavities, a one-visit option called gold foil may work.

Why do people choose gold? It is extremely durable and can last up to 30 years, especially on chewing surfaces like molars. It is biocompatible, resists wear and tear, and does not corrode, and the lab process creates a secure, protective seal.

However, there are some trade-offs to consider. The color stands out, and the price is higher than most options. Placement often means removing more of your healthy tooth; it is not ideal in high-saliva areas, and it demands more skill to place. If you also have silver amalgam fillings, your dentist will have to plan to avoid uncomfortable reactions between metals.

If you compare types of dental fillings and cost, gold sits at the premium end but offers long service life that can reduce replacement cost over time.

Who is it best for? People who prioritize strength and longevity over a tooth colored look, or who grind their teeth, often do well with gold. Ask your dentist about bite forces, saliva flow, and cavity size before deciding.

5. Ceramic Fillings for Strength and Aesthetics

Among the different types of cavity fillings, ceramic strikes a balance between strength and a natural look. These restorations are made from porcelain or resin reinforced with ceramic, silica, or glass quartz. Because they are tooth colored, they blend into your smile.

Ceramic fillings are indirect restorations. A lab shapes them as inlays or onlays, then your dentist bonds them in place. The tooth is kept dry, and the fit is checked in careful steps to make sure everything fits perfectly.

Why do people like them? They can be matched closely to your tooth’s color and shape, resist stains, and do not react to hot or cold temperatures. They contain no metal, are biocompatible, and often require less removal of healthy tooth structure than amalgam.

However, most cases take two visits, and you may wear a temporary filling in between. They are not ideal for very large cavities or heavy chewing zones, and they do not last as long as well-made gold fillings.

If you want a natural result that holds up better than composite and accept the added visits and price, ceramic can be a smart pick.

6. CEREC Same-Day Fillings

CEREC same-day fillings are custom pieces made in your dentist’s office while you wait. They are crafted from strong ceramic or composite resin to match your tooth. The result looks natural and feels solid.

Instead of messy molds, your dentist takes a digital scan of the tooth. A milling unit, similar to a 3D printer, carves the inlay or onlay right there. It is bonded in place on the same visit.

Why do people love CEREC? You save time with one appointment, and the fit can be shaped to your exact bite. These restorations are metal-free, biocompatible, and can restore much of the tooth’s strength.

Longevity is a plus. With good care, CEREC restorations can last from 10 to 30 years. They also hold their color well and blend into the smile.

However, CEREC is often more expensive than other options, and not all clinics offer it. It may not be the best choice for heavy chewing areas, such as some molars.

To determine whether CEREC is the best option for you, your dentist will consider cavity size, bite forces, and your budget while comparing different types of fillings.

7. Inlays and Onlays as Alternatives to Standard Fillings

They are custom restorations that your dentist sticks to your tooth with resin cement. An inlay fits inside the chewing surface, while an onlay covers one or more cusps, acting like a partial crown. They are made in a lab or milled in an office with CEREC, then placed to restore shape and function.

You can get them in gold, ceramic, or composite resin. Ceramic and resin can be shade-matched for a natural look. Your dentist will select the material based on your bite forces, cavity size, and goals.

Why do people choose them? They are long-lasting, stain-resistant, and designed to closely match your tooth. Because they spread chewing forces, they can reduce the chance of cracks compared with a large standard filling.

However, most cases need two visits and a temporary filling in between, unless the office has CEREC for same-day service. They cost more than amalgam or basic composite, and the technique requires skill.

Among the different types of tooth fillings, inlays and onlays are a smart middle path when a cavity is too big for a simple filling but not enough for a full crown.

How Long Do Dental Fillings Last?

Most type of filling materials last 5 to 30 years, depending on the material, size, and bite pressure. As a general rule, composite lasts 5 to 7 years, glass ionomer about 5, ceramic around 10, amalgam 10 to 15, and gold 20 to 30. Good brushing and flossing, wearing a mouthguard if you grind your teeth, and getting regular checkups can help give your filling a longer life; see your dentist if you notice any pain, rough edges, or cracks.

Ways to Take Care of Your Tooth Fillings

Good habits help fillings last longer and save you from repeat work. Use this simple checklist.

Brush twice a day with fluoride toothpaste, and aim the bristles at the gumline.
Floss once daily; a floss pick or water flosser is fine if it keeps you consistent.
Limit sugary snacks and drinks, and rinse with water after eating sweets.
Skip tobacco in all forms, since it harms gums and slows healing.
Wear a night guard if you grind or clench your teeth to protect edges.
Avoid chewing on ice, hard candy, or pens that can break a filling.
Your dentist can find leaks early if you go in for regular checkups and cleanings.
If you feel a sharp edge, pain when you bite, or a chip, call the dental clinic.

Cost of Different Types of Dental Fillings

Filling prices vary by material, tooth, and how big of the cavity. The figures below are typical per-tooth cash estimates in the U.S., before insurance. Your final fee can change with location and your dentist’s approach.

Amalgam: average $139, range $108 to $256.
Composite resin: average $226, range $173 to $439.
Glass ionomer: average $152, range $116 to $285.
Gold: average $466, range $361 to $817.
Ceramic inlay or onlay: average $976, range $755 to $1,774.
CEREC inlay or onlay: average $810, range $632 to $1,577.

Insurance often pays more for back t eeth if billed at the cost of amalgam, and you cover the difference for tooth colored work. Bigger fillings with more surfaces usually cost more, and replacing a failed filling often costs the same as the first one. Ask for a written estimate, check your annual maximum, and compare options that fit your smile, bite, and budget.

Are Dental Fillings Covered by Insurance or Financing Options?

Most dental plans cover fillings as a basic service, often 60 to 80 percent after the deductible. Some plans pay for back tooth composites only up to the price of amalgam, and you cover the difference.

Annual maximums still apply. Ask for a pre-treatment estimate so you know your share. Large or multi-surface fillings can increase the price.

No insurance? Ask about office membership plans, sliding fees, or third-party financing like medical credit cards. HSAs and FSAs can pay with pre-tax dollars.

If you compare dental care abroad, such as veneers or Emax crowns Turkey, check out-of-network rules and any limits on currency or claims. Confirm how you will submit receipts and get reimbursed.