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Tooth Worms? The History of Cavities and Tooth Fillings

January 29th, 2026

Scientists have discovered tooth decay in specimens that are more than 15,000 years old. The ancients once thought that cavities were caused by something called “tooth worms” … Eew! They didn’t exist, of course, but how else could humans explain the holes that cavities make in teeth?

The appearance of cavities on a widespread basis is often traced to the rise of farming. The new diet filled with grains and carbs made our mouths a haven for cavity-causing bacteria. As we added more sugar to our diets, our teeth got worse.

The “tooth worm” idea didn’t completely disappear until the 1700s when scientists finally began to understand the process of dental caries. Once that part of the puzzle was solved, they began focusing on filling existing cavities and preventing new ones.

Dental Fillings Come of Age

Many different materials, including beeswax, cork, aluminum, tin, and even asbestos, have been used to fill the holes caused by dental decay. Sometime in the mid-1800s, however, dentists began to use metal fillings such as gold, platinum, silver and lead amalgams.

The amalgam we use today is mixed from liquid mercury, silver, tin, copper, zinc, and other metals, but some patients still like the look of a gold filling. Newer options include composite-resin fillings, which are made from a tooth-colored mixture of plastic resin and finely ground glass-like or quartz particles that form a durable and discreet filling. Porcelain or ceramic fillings are natural in color, but more resistant to staining.

Drs. Nasrin Azimzadeh, Kristina Djukic, and Tabasam Akbar can help decide which filling is best for you, based on cost as well as your dental and lifestyle needs. You may not have “tooth worms,” but if you have cavities, contact our Chicago office so we can take the proper action to protect the health of your mouth.

What is Remineralization?

January 21st, 2026

“What is the strongest substance in the body?” If this question comes up on trivia night, be prepared to impress your team when you confidently answer, “Tooth enamel!”

Tooth enamel? The reason for this surprising answer lies in the biology of our teeth. Minerals make up well over 90% of our enamel, a much higher percentage than is found anywhere else in the body, including our bones. But unlike bone tissue, which can heal and regenerate, tooth enamel cannot. Even though it is extremely strong, enamel can be damaged by a process called demineralization.

Demineralization

Demineralization is a result of acids at work in our mouths. Acids actually break down the minerals in our enamel, making the enamel softer. Over time, bacteria attack deeper into the tooth, eventually leading to decay. Acidic foods like sodas, citrus, pickles, and coffee are obvious culprits in providing an acidic environment, but there are other problem foods as well. We all have bacteria in our mouths, which can be helpful or harmful. The bacteria in plaque use the sugars and starches we eat to produce even more acids.

This process is something that takes place very quickly. In fact, even brushing too soon after eating something acidic can damage the demineralized surface of a tooth. Waiting at least 20 to 30 minutes to brush gives our bodies a chance to restore the enamel surface in a process called remineralization.

Remineralization

Our bodies are actually designed to help protect our enamel, and the most important part of this process is saliva production. Saliva cleanses our teeth and reduces levels of acidity. And our saliva constantly washes important minerals over our teeth. Calcium and phosphate ions rebuild and strengthen molecules where demineralization has taken place. This process is called remineralization.

We have other ways to help the remineralization process along. Fluoride toothpastes and fluoridated water speed up the movement of mineral building blocks back to the surface of the tooth. Fluoride also strengthens our teeth so that they resist acids and demineralization better than teeth without fluoride, making them less vulnerable to cavities.

New products are available for home and professional use that are designed to increase remineralization—talk to Drs. Nasrin Azimzadeh, Kristina Djukic, and Tabasam Akbar at our Chicago office if you would like the latest recommendations. In fact, talk to us about tooth-friendly menus, the best toothpastes, brushing techniques, and all the ways to keep your enamel its healthiest. You’ll be answering all those trivia questions with a strong, confident smile!

How to Handle an Unexpected Dental Emergency

January 14th, 2026

Regardless of the type of dental emergency you experience, it is important that you visit South & West Loop Dental for emergency dental care as soon as possible. A chipped or cracked tooth requires professional attention, as bacteria may gather in these areas, potentially causing infection that could require a root canal. Remember, you may be capable of managing pain, bleeding, and swelling at home, but by visiting our office for immediate treatment, you can fight infections and minimize lasting damage to your mouth, teeth, and gums under the expert care of our emergency dentist.

24/7 Emergency Dental Care

South & West Loop Dental is proud to offer emergency dental care around the clock, seven days a week. Dental emergencies do not wait for regular business hours, and if you experience a serious dental emergency, you need immediate treatment. Whether you have a broken tooth or if you have bitten through your tongue, do not hesitate to visit us day or night. Until you arrive at our office, however, there are some helpful steps you can take if you encounter a serious dental dilemma.

Managing Your Dental Emergency

If a toothache is causing problems, you can probably keep the discomfort under control until our emergency doctor can treat you. Start by checking the gums that surround the affected tooth for inflammation, bleeding, or foreign objects. There may be food lodged in the gum that could be removed by flossing. You can control pain by placing a cold compress against your mouth, or by using an over-the-counter oral numbing agent.

More serious situations may be extremely time sensitive, and require immediate emergency attention. For example, if a tooth is completely knocked out, carefully clean it with water. Try to place the tooth back into its socket or briefly store it in a cup of milk if it will not fit back into the gum. Never pick up a tooth by the root or force it into the socket. Come straight to our office, as your tooth will need to be replaced within a short amount of time. Similarly, if you have bitten through your lip or tongue, the American Dental Association recommends carefully cleaning the area before coming as quickly as you can to our emergency dental office for treatment.

Remember, there is no reason you should live with discomfort. By visiting our Chicago office immediately in an emergency, you can take control of your oral health comfortably and safely.

What are dental sealants, who should get them, and how long do they last?

January 7th, 2026

Dental sealants are an excellent way to protect children’s teeth from tooth decay by coating them with a thin plastic material. Their teeth look and feel like normal, but they are protected from plaque build-up and decay early on. Drs. Nasrin Azimzadeh, Kristina Djukic, and Tabasam Akbar and our staff recommend sealants as a preventive measure for children before any decay appears on their teeth.

Who should get dental sealants?

Dental sealants are intended for young children as soon as their first teeth come in. Decay is most common in the molars, so taking your child to South & West Loop Dental for sealants right when you see the molars grow in gives your child the best chance to fight tooth decay.

A child’s first set of permanent molars grow in between ages five and seven, while the second permanent molars come in between 11 and 14 years of age. Some teens and adults who don’t have tooth decay may get sealants as well, but it is less common.

How long do dental sealants last?

Once the sealant has been placed on the teeth, it lasts up to ten years. Expect to have Drs. Nasrin Azimzadeh, Kristina Djukic, and Tabasam Akbar check the sealant at every visit to our Chicago office, which should be twice a year. We will look at the sealant and determine if it needs to be replaced.

What is the process of getting sealants?

Applying sealants is a simple, pain-free procedure that is done quickly at South & West Loop Dental. There is absolutely no effect on the tooth structure from sealants.

For starters, the teeth are cleaned carefully, then dried with an absorbent material. A mild acid solution is applied to them to roughen them slightly. This is done so the sealant can bond properly to the teeth. Then the teeth are rinsed and dried, and the sealant material is painted on and dried with a special light.

Molars are susceptible to decay early on, which is why sealants are an important treatment to get for your children’s first set of teeth.

603 W Roosevelt Rd, Chicago, IL 60607
(312) 733-8040
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*(1 Saturday per month)

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