Dental Fillings
What Is a Dental Filling?
Dental fillings are one of the most common and effective treatments for repairing teeth affected by cavities, minor fractures, worn areas or small defects caused by everyday use. During the procedure, damaged or decayed tooth structure is carefully removed and replaced with a durable restorative material that restores the tooth’s function and natural appearance while preventing bacteria from causing further decay. Treating cavities early with a filling often prevents the need for more extensive procedures such as root canal therapy or dental crowns.
Why Might You Need a Filling?
Dental fillings are recommended whenever a tooth has lost structure that can still be predictably restored without requiring a crown. Treating these problems early often prevents the need for more extensive procedures such as root canal therapy or dental crowns. Common reasons include:
Tooth Decay (Cavities)
Tooth decay is the most common reason a filling is needed. When bacteria produce acids that dissolve the enamel and dentin, a cavity forms. Removing the decayed tooth structure and placing a filling restores the tooth while preventing the cavity from progressing deeper and potentially requiring root canal treatment or extraction.
Small Fractures or Chipped Teeth
Minor chips and fractures can weaken a tooth and create areas where bacteria and food become trapped. Composite fillings can often restore the missing tooth structure, strengthen the tooth and recreate its natural shape without the need for a dental crown.
Worn Areas from Grinding or Erosion
Teeth can gradually wear down from grinding (bruxism), acidic foods and beverages, or aggressive brushing. When enough tooth structure has been lost, a filling can rebuild the worn surface, reduce sensitivity, restore proper function and help protect the tooth from further damage.
Replacement of Old, Leaking, Defective, or Broken Fillings
Even durable fillings eventually wear out. Over time they may crack, leak, become loose, or develop decay around their margins. Replacing a failing filling before more extensive damage occurs helps preserve the tooth and often prevents the need for larger restorations such as crowns.
Covering Sensitive Root Surfaces
Gum recession can expose the root surface of a tooth, leading to sensitivity and an increased risk of root decay. A tooth-colored filling can cover the exposed root, reduce sensitivity to hot and cold, protect the vulnerable root surface and restore the tooth’s natural appearance.
Signs You May Need a Filling
Many cavities develop without noticeable symptoms. Just because you do not have any symptoms, it does not mean your teeth are healthy. Some medical conditions, such as cancer, do not have any symptoms at an early stage. This does not make it OK not to seek treatment. In the same way, teeth need to be examined to rule out any caries development. This is why routine dental examinations and X-rays are so important. If left untreated, decay can continue deeper into the tooth and eventually reach the nerve, potentially requiring root canal treatment or extraction.
In case you do have symptoms, some patients experience:
Tooth Sensitivity to Cold, Sweets, or Pressure
Tooth sensitivity to cold drinks, sweet foods, or biting pressure is often an early sign of tooth decay or a failing filling. As cavities progress or existing restorations begin to leak, the protective enamel becomes compromised, allowing external stimuli to reach the underlying dentin where thousands of microscopic tubules connect to the nerve. If the sensitivity is new, persistent, or worsening, a dental examination can determine whether a simple filling can restore the tooth before more extensive treatment becomes necessary.
Food Frequently Becoming Trapped Between Teeth
Food that repeatedly becomes trapped between two teeth (unless you have a gap) may indicate a cavity, a broken tooth, or a failing filling that has altered the normal contact between the teeth. In addition to being annoying, food impaction can irritate the gums, cause sensitivity after meals, contribute to bad breath, and increase the risk of tooth decay and periodontal disease. Restoring the tooth with a properly contoured filling can re-establish a healthy contact point, reduce food impaction and make brushing and flossing more effective.
Visible Dark Spots or Holes
Visible dark spots, discoloration, or small holes in a tooth may be signs of tooth decay or a failing filling. While some stains are harmless, others indicate that bacteria have penetrated the tooth and begun destroying its structure. Early evaluation allows the decayed area to be removed and restored with a filling before the damage becomes more extensive and requires treatment such as a crown or root canal.
Rough or Chipped Tooth Surfaces
A tooth that feels rough to your tongue or has a small chip may have lost a portion of its enamel due to decay, trauma, or normal wear. Even minor defects can create areas where plaque and bacteria accumulate, increasing the risk of further damage or sensitivity. In many cases, a tooth-colored composite filling can restore the missing tooth structure, smooth the surface, and return the tooth to its natural strength, function, and appearance.
Broken or Missing Portions of an Existing Filling
A filling that is chipped, cracked, worn, or partially missing can no longer provide a proper seal, allowing bacteria and food debris to collect beneath or around the restoration. Over time, this can lead to recurrent decay, tooth sensitivity, or fracture of the remaining tooth structure. Replacing a damaged filling promptly helps protect the tooth, restore normal function and reduce the likelihood of needing more extensive treatment in the future.
Types of Dental Fillings
Several restorative materials are available, each with specific advantages and disadvantages.
Composite Resin Fillings
Composite resin fillings are the most commonly used restorative material in modern dentistry because they provide an excellent balance of esthetics, strength and conservative treatment. They are designed to closely match the color and translucency of natural teeth, allowing restorations to blend seamlessly with your smile. Modern composite resin is made from a combination of advanced dental resin and microscopic ceramic or glass particles. This unique composition provides excellent esthetics while offering sufficient strength for most front teeth and many back teeth. Composite restorations can be carefully shaped and polished to reproduce the natural anatomy of the tooth, making them virtually indistinguishable from the surrounding enamel.
One of the greatest advantages of composite resin is its ability to chemically bond to enamel and dentin. This adhesive bond provides excellent retention while also reinforcing the remaining tooth structure. Unlike materials that rely primarily on mechanical retention, composite allows dentists to preserve more healthy tooth structure, making it one of the most conservative restorative options available.
Another significant advantage of composite resin is its versatility. Unlike ceramic or amalgam restorations, composite can often be repaired rather than completely replaced when only a small portion of the restoration becomes chipped, worn, or defective. Although replacing the entire filling is frequently the best long-term solution, localized repairs can sometimes preserve additional healthy tooth structure while extending the life of the restoration.
Despite its many advantages, composite resin is not without limitations. Compared with ceramic restorations, composite is generally less wear resistant and is more susceptible to gradual breakdown over time, particularly in patients with heavy chewing forces or teeth grinding. Perhaps its greatest limitation, however, is its intolerance to moisture during placement. Composite resin relies on a strong adhesive bond to the tooth, and achieving that bond requires meticulous isolation and a completely dry operating field. Even a small amount of saliva, blood, or crevicular fluid contamination during the bonding process can significantly weaken the bond, leading to microscopic leakage, staining, recurrent decay or premature failure of the restoration. For this reason, composite placement is one of the most technique-sensitive procedures in restorative dentistry and requires careful moisture control, proper isolation, and strict adherence to each step of the bonding protocol to achieve predictable long-term success.
The longevity of a composite filling depends on many factors, including the size and location of the restoration, the patient’s oral hygiene, diet, cavity risk and biting habits. Patients with poor oral hygiene or a high cavity rate may experience failure in as little as 2 to 3 years, or sometimes sooner. In contrast, patients who maintain excellent oral hygiene, follow a healthy diet, attend regular dental examinations and professional cleanings and avoid excessive grinding or clenching can often expect composite fillings to last 5 to 10 years, with many lasting considerably longer.
Back To TopResin-Modified Glass Ionomer Fillings (RMGI)
Resin-modified glass ionomer (RMGI) fillings combine the beneficial properties of traditional glass ionomer cement with the added strength of composite resin. Although they are not as durable or esthetic as composite resin fillings, they offer several unique advantages that make them an excellent choice in specific clinical situations.
RMGI restorations are generally considered an intermediate restorative material. They are stronger and more durable than temporary fillings but are not designed to withstand the heavy chewing forces placed on most permanent back teeth. For this reason, they are typically reserved for carefully selected cases rather than routine restorations.
One of the greatest advantages of RMGI is its ability to chemically bond directly to both enamel and dentin, even when ideal isolation is difficult to achieve. Composite resin fillings require a completely dry field to obtain a strong bond, and even small amounts of moisture can significantly reduce their longevity. Resin-modified glass ionomers are much more forgiving in the presence of moisture, allowing them to create a reliable seal in situations where composite resin may not perform predictably.
Another important benefit is their continuous fluoride release. Over time, RMGI restorations slowly release fluoride into the surrounding tooth structure, helping strengthen enamel and reduce the risk of recurrent decay. This fluoride-releasing property makes them particularly valuable for patients with a high risk of cavities.
Although RMGI materials are available in tooth-colored shades, their esthetics are generally inferior to composite resin. They have fewer shade options, are less translucent, do not polish to a high shine and typically do not blend as seamlessly with natural teeth. As a result, they are usually selected for their clinical advantages rather than their cosmetic appearance.
Resin-modified glass ionomer fillings are especially useful for restoring root surface cavities in older adults, treating cavities in young children, placing restorations in areas where moisture control is not possible and serving as intermediate or temporary restorations before definitive treatment. In these situations, their ability to bond chemically, tolerate moisture and release fluoride often outweighs their lower strength and esthetic limitations.
Back To TopPorcelain Fillings (Ceramic Inlays)
Porcelain inlays are custom-made ceramic restorations that is by far stronger than a traditional composite filling. They provide an excellent combination of strength, durability and natural esthetics, making them a predictable long-term restorative option.
Unlike composite resin fillings, which are placed directly into the tooth during a single appointment, porcelain inlays are fabricated outside the mouth in a dental laboratory after a digital or conventional impression is taken. At a second appointment, the custom-made ceramic restoration is precisely bonded to the prepared tooth using advanced dental adhesives, creating a strong and highly accurate fit.
Modern dental ceramics are exceptionally durable and highly resistant to wear, staining and discoloration. Because porcelain maintains its shape and margins extremely well over time, it provides an excellent seal between the restoration and the tooth, helping reduce bacterial leakage and the risk of recurrent decay. Its smooth, glass-like surface also resists plaque accumulation and retains its natural appearance for many years.
Porcelain inlays are highly technique-sensitive and require meticulous tooth preparation, precise laboratory fabrication and careful bonding procedures. When properly designed and maintained with excellent oral hygiene and regular dental examinations, ceramic inlays commonly last 10 to 20 years or longer, significantly outlasting direct composite resin fillings.
In addition to their exceptional longevity, porcelain inlays closely mimic the translucency, color, and surface texture of natural enamel. They are an ideal choice for patients seeking a restoration that is both highly esthetic and capable of withstanding the everyday forces of chewing while preserving as much healthy tooth structure as possible.
Back To TopGold Fillings (Gold Inlays)
Gold inlays are fabricated using the same general process as porcelain inlays. After the damaged or decayed tooth structure is removed, a digital or conventional impression is taken and the restoration is custom-made in a dental laboratory before being permanently cemented into the tooth.
Instead of porcelain, the restoration is fabricated from a high-strength dental gold alloy, which typically contains a high percentage of gold along with other metals to improve strength and durability. Gold restorations have an exceptional reputation for longevity and are among the longest-lasting dental restorations available. When precisely fabricated, they provide an extremely accurate fit, outstanding wear resistance, excellent biocompatibility, and are highly resistant to corrosion and fracture. Unlike ceramic restorations, gold is slightly more forgiving under heavy biting forces because it is not brittle.
Although gold inlays remain one of the most durable restorative options, they are used far less frequently today due to their metallic appearance and higher laboratory cost. Gold remains an excellent option for patients who prioritize exceptional longevity and function over esthetics.
Back To TopAmalgam (Silver) Fillings
Dental amalgam, commonly known as a silver filling, has been used successfully for more than 150 years and is one of the most thoroughly studied restorative materials in dentistry. Amalgam is well known for its exceptional durability, making it capable of lasting for decades in many patients. Although it remains an effective restorative option, its metallic appearance and many patients’ preference for tooth-colored restorations have led to a significant decline in its use. In addition, concerns about mercury content, despite extensive research supporting its safety for the vast majority of patients, have further reduced its popularity.
The Dental Filling Procedure
Receiving a dental filling is typically completed in a single appointment. The tooth is first numbed with local anesthesia to ensure your comfort throughout the procedure. Any decay or damaged tooth structure is carefully removed while preserving as much healthy enamel as possible.
The tooth is then cleaned and prepared according to the type of material being used. For a composite filling, the tooth-colored material is placed in small, incremental layers. Each layer is hardened with a specialized curing light to create a strong, durable bond. Once the filling is complete, it is carefully shaped and polished.
The length of the procedure varies depending on the size, location and complexity of the restoration. A small filling may take as little as 5 minutes to complete, while a larger or more complex filling may require 45 minutes or longer. Every case is different.
Why Choose Lakeview Dental for Dental Fillings?
At Lakeview Dental, we believe that even small restorations deserve meticulous attention to detail. We use high-quality brand name composite materials designed to provide excellent strength, natural esthetics and long-lasting performance. Whether you have recently developed a cavity, chipped a tooth, or need to replace an old worn filling, our goal is to provide comfortable, conservative treatment that restores your smile while maintaining as much of your natural tooth as possible.
Frequently Asked Questions
Does Getting a Filling Hurt?
As with any dental procedure, local anesthesia is administered to ensure your comfort. As long as the tooth is thoroughly numb, you should not feel any pain during the procedure. If you experience any discomfort at any time, simply let us know and additional anesthetic can be provided. After the filling is placed, it is normal to experience mild sensitivity to cold, sweets, or biting pressure, especially if the cavity was deep.
This sensitivity typically improves gradually over the course of a few days to several weeks as the tooth heals. In some cases involving very deep cavities, the tooth may remain sensitive for a longer period. However, persistent pain, worsening discomfort, spontaneous toothaches, or pain that keeps you awake should be evaluated by your dentist, as these symptoms may indicate that additional treatment, such as root canal therapy, is needed.
How Long Do Dental Fillings Last?
The lifespan of a dental filling depends on several factors, including type of material, its size, location, oral hygiene, diet, and chewing habits. Small fillings in low-stress areas often last much longer than large fillings that replace a significant portion of the tooth. Patients who grind or clench their teeth may also experience faster wear and may benefit from wearing a custom nightguard.
Many composite fillings last 5 to 10 years or longer, while others may need replacement after only a few years due to recurrent decay, fracture, heavy biting forces, or normal wear. With excellent oral hygiene, regular dental visits and routine maintenance.
Regular dental examinations allow your dentist to monitor existing fillings and repair or replace them before they develop into larger problems requiring more extensive treatment.
When Should a Filling Be Replaced?
Even durable fillings eventually wear over time. Replacement may be recommended if the filling becomes cracked, worn, loose, or develops leakage that allows bacteria to enter underneath. During routine examinations, we evaluate existing restorations for signs of wear before they become larger problems. Replacing a failing filling early often prevents more extensive treatment later.
I See Dark Spots on My Teeth. Are They Cavities?
Not always. Dark spots can be caused by harmless staining, natural grooves in the enamel, or old restorations, and they do not necessarily indicate tooth decay. Because cavities cannot be diagnosed by appearance alone, a dental examination and X-ray is needed to determine whether treatment is necessary. Early evaluation allows problems to be treated before they become a major problem.
How Long Does a Dental Filling Appointment Take?
Most dental fillings can be completed in 30 to 60 minutes, depending on the size and location of the cavity. Small fillings often take less time, while larger or multiple restorations may require a longer appointment. If local anesthesia is needed, additional time may be required to allow the tooth to become fully numb before treatment begins. Our goal is to complete your treatment efficiently while ensuring your comfort and achieving the best possible result.
Can I Eat After Getting a Filling?
Yes. Composite fillings harden immediately when cured with a special dental light, so the restoration is ready for normal function as soon as the procedure is complete. However, if you received local anesthesia, it is best to wait until the numbness has completely worn off before eating to avoid accidentally biting your cheek, lip, or tongue. Unless your dentist provides different instructions, you can then resume your normal diet.
Will My Filling Match My Natural Teeth?
Yes. Composite fillings are available in a wide range of shades and are carefully selected to match the color of your natural teeth, allowing them to blend in seamlessly with your smile. While an exact color match cannot be guaranteed in every case, modern composite materials provide excellent esthetics, and most fillings are virtually unnoticeable during normal speaking and smiling.
How Can I Prevent Future Cavities?
The best way to prevent cavities is to maintain excellent oral hygiene and visit your dentist regularly. Brush twice a day with a fluoride toothpaste, floss daily and limit sugary foods and drinks, especially between meals. If you are at a higher risk for tooth decay, your dentist may also recommend fluoride treatments, prescription-strength fluoride toothpaste, or dental sealants to help protect your teeth.
Can an Old Silver Filling Be Replaced?
Yes. Old amalgam (silver) fillings can often be replaced with tooth-colored composite restorations. Replacement is generally recommended when a filling has recurrent decay, fracture, leakage, or another sign of failure. While some patients choose to replace silver fillings for cosmetic reasons, existing amalgam fillings that are functioning well usually do not need to be replaced simply because they are silver. Your dentist can evaluate the condition of the restoration and help you decide whether replacement is appropriate based on the benefits and potential risks.
Caring for Your Dental Fillings
Good oral hygiene is the best way to maximize the lifespan of your restorations. Brush twice daily with fluoride toothpaste, floss every day and maintain regular professional cleanings and examinations. Limiting frequent sugary snacks and beverages also reduces the risk of new cavities forming around existing fillings. Although fillings restore damaged teeth, they are not immune to future decay. Maintaining excellent oral hygiene remains essential.
Back To TopOur Philosophy
In most clinical situations, modern tooth-colored composite restorations provide excellent esthetics while preserving more healthy natural tooth structure. Our goal is always to provide the most predictable long-term treatment while conserving as much of your natural tooth as possible.
However, we recognize that amalgam is a durable restorative material with a long history of clinical success and may still have specific indications in carefully selected cases. Existing amalgam fillings that are functioning well generally do not need to be replaced simply because they are silver, unless a patient specifically requests replacement for cosmetic reasons.
We typically recommend replacing an amalgam filling only when there is recurrent decay, fracture, leakage, or another sign that the restoration has failed. It is also important to understand that removing large or deep amalgam fillings can sometimes result in prolonged or even chronic tooth sensitivity. For this reason, replacing a healthy amalgam filling solely for cosmetic reasons should be carefully considered after discussing the potential risks and benefits with your dentist.
Learn more
Dental Filling Options – MouthHealthy by the American Dental Association
Composite Fillings – MouthHealthy by the American Dental Association
Why Choose Cosmetic Dentist Dr. Ghodsi?
Dr. Shayan Ghodsi offers his patients expert, up-to-date knowledge and years of experience in the dental field, paying close attention to every detail of your individualized dental treatment. As the owner of Lakeview Dental, Dr. Ghodsi is proud to lead a privately owned practice where patient care always comes first, without the influence of corporate dentistry. His warm smile and gentle nature help make every dental visit a relaxing and comfortable experience.
Dr. Ghodsi received his Bachelor’s degree from Pace University in New York and earned his DMD at TUFTS University in Boston, Massachusetts in 2001. In addition, he has earned many continuing education credits in his fields of interest.
Back To Top
Dr. Shayan Ghodsi DMD
Royal Palm Beach Cosmetic Dentist
“Felt very comfortable, everyone was very pleasant and professional. The dentist was very approachable and honest. Did not push unnecessary procedures. I’m very grateful for his kindness and professionalism. I highly recommend him and his staff. Thank you so much.”
Ivonne E – Read more reviews
OR CALL (561) 898-1010 TO GET STARTED.
(561) 898-1010
