About Dental Cavities Treatment for Children
When tooth decay creates a cavity, professional treatment removes the decay and restores the tooth's integrity. At Rundlehorn Smiles Dental in NE Calgary, we gently eliminate decay and use durable, tooth-coloured fillings to rebuild your child's tooth structure and appearance.
Cavities are one of the most common childhood health problems, and they do not heal on their own. Early treatment is essential to prevent a cavity from spreading and to avoid more extensive procedures such as root canals or extractions.
Our calm chair-side approach is geared to children, and parents are welcome in the room. If you are looking for cavity treatment for your child in NE Calgary, we make the visit as easy and friendly as we can.

Benefits of Dental Cavities Treatment
- Stops tooth decay in its tracks: Cavities will not heal on their own. Treatment removes active decay and seals the tooth to prevent further damage.
- Restores strength and function: Treatment restores your child's ability to chew, speak and smile comfortably, without pain or sensitivity.
- Natural, tooth-coloured results: We use composite fillings that match your child's natural tooth colour, blending seamlessly with their smile.
- Prevents more serious dental issues: Early cavity treatment helps avoid complex dental procedures and preserves natural teeth long term.
What Causes Cavities in Children
A cavity forms when bacteria in plaque turn sugars and starches into acid, and the acid slowly wears away the enamel. The usual causes in children are:
- Frequent sugary snacks and drinks, including juice, sports drinks and sticky snacks
- Sipping milk or juice through the day, or going to bed with a bottle
- Brushing that misses the back teeth
- Deep grooves and pits in the molars that trap food
- Not enough fluoride
- Family history and mouth bacteria that pass between family members
Understanding the cause helps us tailor advice, so new cavities are less likely.
Signs Your Child May Have a Cavity
- A white, chalky spot on a tooth, which is often the first sign
- A brown or black spot, pit or visible hole
- Complaints of tooth pain, or pain when chewing
- Sensitivity to hot, cold or sweet foods and drinks
- Food that keeps getting stuck in one place
- Bad breath that does not go away
Many cavities show no symptoms early, so regular dental checkups are the key to catching them in time. If your child has severe pain or swelling in the face, call us right away and we will help you find a same-day time.
What Is Included in Your Child's Cavity Treatment
- An exam and, if needed, an X-ray to see how far the decay has spread
- Local anaesthetic to numb the area, so the procedure is gentle and pain-free
- Gentle removal of the decay
- A tooth-coloured composite filling, which is safe, strong and metal-free, and which can often be completed in a single visit. You can read more about Dental Fillings on their own page
- A bite check and a polish
- Simple advice on caring for the tooth at home
- A written estimate before treatment begins
What to Expect at Your Child's Visit
- A friendly welcome. We take things at your child's pace, and parents are welcome in the room.
- Exam. We find the cavity and show you what we see.
- Numbing. We numb the tooth so your child stays comfortable.
- Cleaning out the decay. We gently remove the decayed part of the tooth.
- Placing the filling. We fill and shape the tooth, harden the filling with a special light and check the bite.
- Home care tips. We explain how to care for the tooth and how to help prevent new cavities.
Helping Your Child Feel Comfortable
Many children feel nervous about a filling, and that is completely normal. We explain each step in simple, friendly language, show your child the tools before we use them and keep the pace calm. Parents are welcome to stay in the room the whole time.
You can help by staying calm and positive, talking about the visit as a normal, easy thing and avoiding words such as hurt or pain. If your child is very anxious, tell us when you book and we will talk through the comfort options that suit your child.
How to Prevent Cavities in Kids
- Brush twice a day for two minutes with a fluoride toothpaste, using a pea-sized amount for children over three and a grain of rice for younger children
- Help your child brush and floss until they can do it well on their own
- Limit sugary snacks and drinks, and offer water between meals
- Keep sweets to mealtimes instead of grazing all day
- Book checkups and cleanings about every six months
- Ask about Dental Sealants and Fluoride, which add strong protection for the back teeth
Why Choose Rundlehorn Smiles Dental for Your Child's Cavity Treatment
- Gentle cavity care with local anaesthetic and tooth-coloured fillings
- A calm chair-side approach geared to first visits, with parents welcome in the room
- A dedicated children's care program covering preventive care, sealants and space maintainers
- Four general dentists who explain the why before the what, with no pressure
- Same-day time held every day for urgent problems
- Evening hours until 8 PM Monday to Saturday and Sunday hours from 10 AM to 5 PM
- Participating CDCP provider with direct billing to most major insurers
Related Treatments
- Dental Sealants and Fluoride: Protect the back teeth from new cavities.
- Preventive Care: Regular checkups and cleanings that catch cavities early.
- Space Maintainers: Hold space for the permanent tooth if a baby tooth is lost early.
- Dental Fillings: Learn more about tooth-coloured fillings.
Cost of Dental Cavities Treatment in NE Calgary
The cost of cavity treatment depends on the size of the cavity, the tooth involved and how many teeth need care. After your child's exam, we give you a written, itemised estimate before any treatment begins, so you always know what to expect.
We direct bill most major insurers, and we are a participating provider for the Canadian Dental Care Plan, which covers fillings for eligible patients. Coverage varies by plan and eligibility, so call us at 403-300-2233 and we will verify it before your child's visit. Flexible payment options are available for larger treatments.
Frequently Asked Questions
What causes cavities in kids?
Cavities happen when bacteria in plaque turn sugars and starches into acid that wears away tooth enamel. In children, the most common causes are frequent sugary snacks and drinks, not brushing well, sipping juice or milk through the day and deep grooves in the back teeth that trap food.
What do cavities look like in kids?
Early cavities can look like white or chalky patches on a tooth. Later they turn brown or black and may form a visible hole or pit. Many cavities show no symptoms at first, so regular dental checkups are the best way to find them early.
Does cavity treatment hurt?
No. We use local anaesthetic to numb the area, so the procedure is gentle and pain-free. Your child may feel some pressure, and we explain each step in simple language so they know what to expect.
Are composite fillings safe for children?
Yes. Composite fillings are safe, strong and metal-free, and they blend naturally with your child's teeth. They are the tooth-coloured fillings we use at Rundlehorn Smiles Dental.
Do baby teeth with cavities need to be filled?
Usually yes. Baby teeth hold space for permanent teeth, and a cavity can spread, cause pain and lead to infection. Very early chalky spots can sometimes be reversed with fluoride and better brushing, but a cavity that has formed will not heal on its own and needs treatment.
Book Your Child's Appointment
We're accepting new patients every day and hold time for urgent cases. Monday to Saturday 8 AM to 8 PM, Sunday 10 AM to 5 PM.
