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How Do Cavities Form?

Blonde woman in a peach shirt leans her chin on her hand wondering how are cavities formed

One of the most common and compelling reasons why it is so important to brush and floss your teeth diligently is to prevent cavities. But how exactly do cavities develop in the first place?

What Is a Cavity?

A cavity is a small but permanent hole in your tooth that results from advanced decay. Early-stage tooth decay is temporary weakening that can often be reversed with improved oral health habits. But cavities indicate permanent damage to the tooth. These holes may look brown or black to the naked eye if very serious, but usually you can’t see them at home. Though you may experience sensitivity, a toothache, and bad breath.

How Are Cavities Formed?

When bacteria and food residue build up on the surface of your teeth, you are more likely to develop a cavity. The bacteria feeds off of the sugary food residue, releasing acid which breaks down your enamel. Furthermore, if plaque isn’t daily brushed and flossed away, it will harden into tartar. Tartar irritates gums and causes them to pull back from teeth, forming pockets that expose your sensitive tooth roots to bacteria, decay, and infection.

What Happens If I Leave a Cavity Untreated?

Leaving a cavity untreated is never a good idea. Doing so allows the decay to grow deeper into the tooth, eventually infecting its pulp. The pulp is the soft innermost layer of the tooth. If your pulp becomes infected and damaged, it’s time for root canal therapy, which involves drilling into the tooth to flush out the infected tissue and replacing it with a material called gutta-percha. On the other hand, if cavities are caught early, they usually only require simple fillings to be treated properly.

How to Prevent Cavities

Brushing your teeth twice a day for two minutes each time, flossing every day, consuming a balanced diet, avoiding tobacco products, chewing only sugar-free gum, and drinking plenty of water will help to prevent decay and cavities. Additionally, limit your consumption of sweet treats, juice, and soda. For extra reinforcement, we also provide fluoride treatments as part of our routine dental care services. Although cavity prevention is easier and less costly than treatment, if you do develop decay, we can detect it as early as possible with our state-of-the-art CariFree device. With early detection, we can save you from more invasive and costly procedures in the future.

Are you cavity-free? Reach out to our team to schedule your next dental checkup!

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Andrew Callender

Andrew Callender

Regional Director of Operations

Andrew Callender was born and raised in Denver, Colorado, and serves as one of our Regional Directors of Operations at CarolinasDentist, focusing on our Western NC and Charlotte regions. He joined the leadership team in 2025 and earned his degree from Western Colorado University. Andrew brings over 12 years of experience in dentistry, including more than 10 years of progressive leadership in healthcare operations and three years serving as a Regional Director of Operations. He relocated to North Carolina in 2023 and has quickly made an impact across the region.

Andrew is passionate about delivering outstanding patient care through operational excellence. He is committed to fostering an environment that aligns with CarolinasDentist’s values and culture while leveraging diverse perspectives and experiences to support team success and growth. His leadership style is rooted in collaboration, consistency, and continuous improvement.

Outside of work, Andrew enjoys spending time with his wife and their four children. He’s an avid golfer and also enjoys walking his lab, Harper—making the most of his time outdoors with family and fresh air.

Nate Bunyak

Nate Bunyak

Regional Director of Operations

Nate Bunyak brings a little bit of Pittsburgh grit and a whole lot of energy to everything he does. He is one of the Regional Director of Operations at CarolinasDentist focusing on our Triangle region, joining the team in 2026. Originally from Pittsburgh, PA, Nate graduated from Indiana University of Pennsylvania (IUP) with a degree in Marketing and Management—and has been putting both to work ever since. Three years ago, he traded in steel city winters for North Carolina sunshine—and hasn’t looked back.

When he’s not working, Nate is all about family life with his wife, Melissa, and their three kids—Bryce, Molly, and Connor. Whether cheering on their activities, exploring the outdoors, or simply embracing the joyful chaos of a busy household, he makes the most of every moment with his family.

An avid hiker and nature enthusiast, Nate loves adventures that combine fresh air, beautiful views, and lasting memories. That same adventurous, positive spirit carries into his work—he’s driven, all-in, and always ready to take on what’s next.

Jenna Holland

Jenna Holland

Regional Hygiene Director

Jenna Holland is a Fayetteville native and serves as Regional Hygiene Director, joining the leadership team in 2026. She began her career with CarolinasDentist in June 2016 as a dental hygienist in the Fayetteville office after graduating from Fayetteville Technical Community College. Over the years, she has grown within the organization, building strong relationships with both patients and team members while staying rooted in her passion for patient care.

Jenna is deeply committed to promoting overall well-being through oral health and believes in the powerful connection between a healthy smile and a healthy body. In her leadership role, she especially loves mentoring and coaching hygienists, helping them grow in confidence, strengthen their clinical skills, and develop into exceptional providers. She takes pride in supporting her team and fostering an environment of continuous learning and encouragement.

Her best advice for patients is simple: stay consistent with routine check-ups and cleanings to maintain optimal health. Outside of the office, Jenna enjoys traveling—especially to warm, tropical destinations—and is engaged to her high school sweetheart, adding a personal touch to her passion for caring for others.