What to Do If Your Child Has a Cavity & How to Prevent It

Pediatric Dentistry in Edmonton
05 Aug 2025

Children’s cavities are common dental problems, but should never be overlooked. As a parent, it is good to know what to do and how to prevent cavities in order to keep your child’s smile healthy throughout their lifetime. A pediatric dentistry in Edmonton helps to prevent and treat children’s issues at an early stage, such as pain, infection, and permanent tooth damage.

Understanding Cavities in Children

A cavity is a small hole within the tooth caused by tooth decay. It results when bacteria in the mouth break down food sugar and cause acid, which dissolves the tooth enamel. The enamel is worn away gradually and leading to cavities on the teeth, and it needs to be treated by a dentist in Edmonton.

If left untreated, cavities can grow bigger and affect deeper layers of the tooth. This may cause a toothache, infection, or even lead to early loss of the tooth.

Signs Your Child May Have a Cavity

Most cavities can be easily detected, but some are harder to find without visiting the dentist. These are some of the common signs:

  • White, brown, or black spots on the tooth
  • Sensitivity to hot, cold, or sweet foods
  • Pain while chewing
  • Bad breath
  • Swelling or redness of the gums around the tooth

If you notice any of these symptoms, then you and your child should visit the dentist as soon as possible.

What to Do If Your Child Has a Cavity

1. Schedule an Appointment with a Pediatric Dentist

A pediatric dentist is trained to handle children’s teeth and oral issues effectively with their knowledge and skills. They will examine your child’s mouth, if needed, take an X-ray and figure out the most suitable treatment that helps solve the problem.

2. Kids’ Teeth Cavity Treatment Options

Based on the size and location of the cavity on the teeth, the kids dentist may suggest the dental care

  • Small cavities –  These are usually treated with a dental filling. The dentist cleans out decay and fills the tooth to protect it.
  • Large cavities – May require a crown to cover the tooth.
  • Deep decay – In severe cases, a baby root canal from a professional may be necessary to save or preserve your child’s tooth.

3. Follow the Dentist’s Advice

The dentist will recommend aftercare to your child, i.e., avoiding certain foods for a little while, better brushing, and follow-up visits.

How to Stop Kids from Getting Cavities?

Cavity prevention is easier than cavity treatment. With good oral care habits and health choices, you can lower your child’s chances of getting tooth decay significantly.

Here’s a simple prevention guide

Prevention Step What to Do How It Works
Brush at least twice a day Use a soft-bristle brush and fluoride toothpaste to clean teeth effectively. It helps to remove plaque and strengthen your tooth enamel.
Floss daily Floss helps to clean between teeth correctly. It helps to remove food and bacteria where brushes cannot reach.
Limit sugary snacks and drinks Give your child water, fruits, and vegetables instead Limiting sugary snacks and drink intake helps reduce bacteria’s food source
Regular dental checkups Visit a pediatric dentist every 6 months They can detect early signs of cavities during the checkup
Dental sealants Ask the dentist about sealants for molars Protects grooves in teeth from decay

 

Extra Tips for Parents

  • Supervise brushing for younger kids to make sure they clean all tooth surfaces.

  • Use the right toothpaste, as children under 3 should use a smear of fluoride toothpaste, and kids 3–6 should use a pea-sized amount.

  • Encourage drinking water instead of juice or soda, especially in between meals.

  • Model good habits, as kids learn best by watching parents take care of their teeth.

Why Early Dental Visits Matter

Parents wait until something is wrong with the child and bring them in to see the dentist, yet preventive visits are needed even when there is no sign of decay. Pediatric dentistry focuses on prevention, education, and gentle care for emerging smiles.

They suggest that children go for the first time by the age of one or when they get their first tooth. This establishes a positive association with oral care from the beginning.

The Power of Fluoride and Sealants

Fluoride is a natural mineral that helps to make teeth stronger and more resistant to cavities. Your dentist can apply a special fluoride varnish to your child’s teeth during their check-up.

Dental sealants are another great way to prevent cavities. A sealant is a thin, plastic coating that is painted on the chewing surfaces of the back teeth, i.e the molars and premolars. This coating fills in the tiny grooves and pits on the teeth, making it harder for food and germs to get stuck there. Sealants are a simple and pain-free way to protect your child’s teeth for many years.

Final Thoughts

Cavities in kids are common, but they are preventable. If your child does develop a cavity, the best thing to do is consult a dentist immediately. Through proper kids teeth cavity treatment, your child’s smile will be restored.

And don’t forget: brushing, flossing, a nutritious diet, and regular check-ups are the greatest ways to prevent cavities.

Save Your Child’s Smile, Treat Cavities Today!

Oliver Family Dental provides gentle and efficient children’s dentistry services. Our practice focuses on prevention, early intervention, and patient care. We use modern tools to make cavity treatment safe and stress-free.

Call Oliver Family Dental at 780-426-6884 to book your child’s appointment today. Protect their smile with expert care today!

Charles Chan

Dr. Charles Chan – Dentist

Dr. Charles Chan is committed to providing his patients with quality care to improve their oral health and well-being. His philosophy is that every patient deserves to have a healthy and functioning smile. It is his job to ensure you receive the best treatment in a comfortable and compassionate environment. Dr. Chan is experienced in performing various procedures, some of which include, dental implants, dental surgery, root canals, dentures, and cosmetic restorative procedures.

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