Signs Your Silver Fillings Need Replacement: Broomfield, CO Guide

added on: August 8, 2025
Close-up of a molar with silver amalgam dental filling inside a patient’s mouth

Silver fillings, also called dental amalgam, have been used for decades to restore decayed teeth due to their strength and affordability. These fillings are made from a blend of metals, including mercury, silver, tin, and copper, and were once the standard in dental care. However, over time, they can wear down, crack, or become discolored.

In Broomfield, CO, more patients are choosing to replace their old silver fillings. Whether due to concerns about durability, appearance, or potential health effects, this decision is often part of maintaining both dental health and confidence in your smile. At Broomfield Family Dentistry, our dentist helps patients understand when it’s time to consider replacement and what alternatives may be better suited to their current needs.

This guide explores the key signs that your silver fillings may be failing and offers expert insight into what to expect if replacement becomes necessary.

Warning Signs Your Silver Fillings May Be Failing

Old or damaged silver fillings can show clear signs of failure that may lead to more serious dental issues if left untreated. Patients in Broomfield, CO should watch for changes in how their fillings feel, look, or respond to pressure and temperature. Identifying early warning signs helps prevent decay, cracks, or tooth damage.

How do I know if my silver filling is failing?

You may notice any of the following symptoms:

  • Pain when chewing – Pressure or discomfort when biting down may indicate a loose or damaged filling.
  • Sensitivity to hot or cold foods – Temperature-related discomfort could signal microleakage or a crack in the filling. If you experience sensitivity when eating or drinking, a dental evaluation is recommended.
  • Discoloration around the filling – Gray or black staining around the edge of the filling can point to corrosion or decay beneath the surface.
  • A feeling of looseness – If the filling feels like it’s shifting or moving, it may no longer be properly bonded to the tooth.

What does a cracked silver filling look like?

A cracked filling may show:

  • Fine gray lines or fractures running across the surface
  • Dark edges or spaces where bacteria can enter
  • Jagged or sharp surfaces that feel different from surrounding enamel

These signs indicate that the structural integrity of the filling is compromised, which can allow decay to develop under the restoration.

What happens when a silver filling leaks?

When a silver filling leaks, fluids and bacteria can seep beneath the filling and attack the tooth structure. This may cause:

  • Increased sensitivity
  • A metallic or bad taste in the mouth
  • New decay forming underneath the filling

Leaking fillings are often the result of shrinkage, wear, or marginal breakdown, especially in older restorations.

What does it mean when a silver filling falls out?

If a silver filling falls out entirely, the exposed cavity is vulnerable to damage and infection. You should:

  • Avoid chewing on the affected side
  • Rinse with warm saltwater to clean the area
  • Contact your dentist immediately for a replacement

Prompt treatment prevents further decay and protects the tooth from fracturing or developing an abscess. Our Broomfield, CO dental office can provide timely care to restore function and comfort.

Age Factors That Affect Longevity

Silver fillings generally last 10 to 15 years, but their lifespan can vary based on age and oral habits. In Broomfield, CO, patients with older dental work may begin noticing signs of wear or deterioration as their fillings age.

How long do silver dental fillings last?

Most silver fillings are durable for about 10 to 15 years, but some can last even longer with good oral hygiene and regular checkups. However, over time, the metal can corrode, shrink, or separate slightly from the tooth, creating openings for bacteria to enter. This risk increases once a filling passes the 15-year mark.

Several factors may shorten the life of a silver filling:

  • Biting and chewing pressure from daily use
  • Tooth grinding (bruxism) or clenching habits
  • Frequent exposure to temperature changes from hot or cold foods
  • Cavity recurrence beneath or around the existing filling

Fillings may also expand and contract slightly in response to heat or cold, causing stress on the surrounding enamel.

If your fillings are decades old, or if you’re noticing cracks, discomfort, or staining, it may be time for an evaluation. At Broomfield Family Dentistry, we assess the condition of aging restorations and recommend proactive care when fillings may wear down over time due to chewing and grinding or structural stress.

Health Considerations for Older Silver Fillings

Silver fillings contain mercury, which raises health concerns for some patients, but studies show they are generally safe when intact. In Broomfield, CO, many individuals seek clarity about potential risks associated with aging amalgam fillings, especially when deciding whether to keep or replace them.

Are silver dental fillings dangerous?

When intact and stable, silver fillings are considered safe for most people. Research from organizations like the American Dental Association (ADA) and U.S. Food and Drug Administration (FDA) supports their use in restorative dentistry. However, concerns arise when fillings crack, leak, or wear down, conditions that may increase exposure to mercury vapor.

Can silver dental fillings cause health problems?

Cracked or leaking fillings can potentially release small amounts of mercury vapor, especially when chewing or grinding. While there’s no conclusive evidence of harm from these trace exposures in healthy individuals, prolonged or repeated exposure may pose concerns for certain at-risk groups.

More often, the health risk comes from secondary issues, such as:

  • Bacteria entering through worn margins
  • Decay forming under the filling
  • Structural weakening of the tooth

Do silver dental fillings contain mercury, and should you be concerned?

Ye, all traditional silver fillings are made with roughly 50% elemental mercury, combined with other metals. Mercury vapor can be released during chewing, bruxism, or when fillings begin to deteriorate. While modern materials and techniques reduce this risk, older amalgam fillings may present higher exposure levels over time.

If you’re concerned about your mercury exposure or want a more biocompatible option, it’s best to consult a dentist who follows current guidance from dental organizations like the ADA and FDA. Our Broomfield, CO dental office can review your restorations and help you make an informed decision about whether replacement is necessary.

Aesthetic Impact of Silver vs White Fillings

White composite fillings offer a more natural look than traditional silver fillings, especially in visible areas. In Broomfield, CO, many patients choose to replace old silver restorations for cosmetic reasons, particularly when they show in photos or while speaking or smiling.

Should I replace silver fillings with composite for cosmetic reasons?

Yes, replacing silver fillings with tooth-colored composite can dramatically improve the appearance of your smile. Composite blends seamlessly with your natural teeth and does not create the metallic shine or gray shadows often visible with amalgam.

Common reasons patients in Broomfield seek cosmetic replacement include:

  • Visible silver fillings in front or side teeth when smiling
  • Discoloration of the surrounding tooth structure
  • A desire for a more uniform, white appearance

While cosmetic reasons alone don’t always require immediate treatment, many patients find that natural-looking composite restorations boost confidence and satisfaction with their smile.

Can a dentist replace silver fillings with white ones in Broomfield, CO?

Yes, our dentist at Broomfield Family Dentistry can safely remove silver fillings and replace them with composite alternatives. The process typically involves:

  1. Evaluating the condition of your current filling and surrounding tooth
  2. Carefully removing the old amalgam
  3. Cleaning and preparing the cavity
  4. Placing and sculpting the composite material
  5. Curing and polishing for a natural finish

Many patients find this process straightforward, especially when replacing fillings one at a time. Composite is ideal for restoring strength and appearance without compromising aesthetics, making it a popular upgrade for those ready to modernize their dental work.

Professional Assessment and Next Steps in Broomfield, CO

A professional dental exam is the best way to know if your silver fillings should be replaced. In Broomfield, CO, patients often ask about insurance coverage, costs, and whether cosmetic upgrades are worth it. A trusted dental consultation can answer all of these concerns based on your unique situation.

Will dental insurance cover replacing silver fillings in Broomfield, CO?

Insurance coverage depends on whether the replacement is considered medically necessary or cosmetic. Most insurance plans may help cover the cost if:

  • The filling is cracked, leaking, or has recurrent decay
  • There’s a risk of infection or tooth fracture
  • The filling has already exceeded its expected lifespan

However, if the goal is solely cosmetic, such as replacing a visible silver filling with a white one, coverage may be limited or excluded.

Is replacing silver fillings worth it?

Replacing silver fillings can be well worth it depending on your dental health and personal goals. Common reasons Broomfield patients move forward include:

  • Health-related concerns like mercury exposure or structural breakdown
  • Cosmetic improvements for fillings that show when you smile
  • Longevity and reliability, especially for fillings nearing the 15+ year mark

Our team can help you weigh the benefits of replacing old restorations versus leaving functional ones intact. In many cases, patients appreciate the peace of mind and aesthetic boost that comes with an upgrade.

How much does it cost to replace silver fillings in Broomfield, CO?

Costs can vary significantly based on:

  • Number of fillings being replaced
  • Size and location of each filling
  • Type of material used (e.g., composite vs. ceramic)
  • Any additional tooth repair required

Because costs can vary based on materials and number of fillings, we always recommend a consultation to get a personalized estimate.

If you’re wondering whether it’s time for a change, don’t guess, speak to a dentist to determine if your silver fillings should be replaced and get expert guidance tailored to your needs.

FAQs About Siver Fillings

How long should a silver filling last?

Silver (amalgam) fillings typically last 10 to 15 years, though some can last longer with good oral hygiene and regular dental checkups. Over time, fillings may wear down, crack, or loosen, requiring replacement.

Is it better to remove silver fillings?

It depends on their condition. If the filling is leaking, cracked, or causing health or cosmetic concerns, removal and replacement may be beneficial. Stable, intact fillings that function well may not need immediate removal.

Can old silver fillings cause bad breath?

Yes, if a silver filling is cracked, leaking, or has decay underneath, bacteria can become trapped, leading to bad breath. A dental exam can confirm if the filling is the source.

Should I replace my silver filling with white fillings?

Many patients choose to replace visible silver fillings with composite (white) fillings for aesthetic reasons. If your silver fillings are showing wear or affect your confidence when smiling, composite replacements may be a suitable option.

Ready to Replace Old Fillings? Here’s Your Next Step

Silver fillings don’t last forever, and replacing them may be the right choice for health, function, or appearance. Whether your concern is a crack, a cosmetic update, or long-term wear, a professional evaluation is the safest way to decide what’s best for your smile.

At Broomfield Family Dentistry, we help patients in Broomfield, CO assess the condition of their silver fillings and explore modern, tooth-colored alternatives that look and feel natural.

If you’re unsure about the condition of your silver fillings, book a dental consultation in Broomfield, CO today and take the first step toward a healthier, brighter smile.

About The Author
Dr. Samuel J. Sweeny

Dr. Samuel J. Sweeny used to spend his summers working in his dad's dental clinic, where he was first exposed to endodontics (root canal), pediatrics, and orthodontics. This experience sparked his passion for dentistry. Inspired by Frank Spear, founder/director of SPEAR Education, he committed to pursuing dental excellence by taking continuing education courses at SPEAR and serving as a mentor and visiting faculty member. Dr. Sweeny is a Fellow at the Academy of General Dentistry and is affiliated with several associations.


Silver fillings, also called dental amalgam, have been used for decades to restore decayed teeth due to their strength and affordability. These fillings are made from a blend of metals, including mercury, silver, tin, and copper, and were once the standard in dental care. However, over time, they can wear… Read More…