The habits your child builds at home matter far more than anything I do in the chair twice a year. Cavities are the most common chronic childhood disease — and they're almost entirely preventable. Here's a practical, age-by-age guide to caring for your child's teeth at home, from the first tooth through the teen years.
Babies & Toddlers (0–3)
- Wipe gums with a clean damp cloth after feedings, even before teeth appear
- Start brushing at the first tooth with a smear of fluoride toothpaste (grain-of-rice size)
- Never put your child to bed with a bottle of milk or juice — only water
- Schedule the first dental visit by their first birthday
Preschoolers (3–6)
- Move to a pea-sized amount of fluoride toothpaste; teach them to spit, not swallow
- Brush together — you supervise and "finish" for them until about age 7–8
- Start flossing once any two teeth touch
- Make it fun: a two-minute song, a reward chart, or letting them pick the brush
School Age & Teens (6+)
- Hand over independence gradually, but spot-check that back molars get cleaned
- Ask about dental sealants on new permanent molars — they block most chewing-surface cavities
- If they play sports, get a custom mouthguard
- Watch for grinding and sugary sports/energy drinks in the teen years
The Diet Side of Cavities
What kids eat — and how often — matters as much as brushing. It's the frequency of sugar exposure, not just the amount, that drives decay:
- Water (especially fluoridated tap)
- Cheese, yogurt, milk
- Crunchy fruits & veggies
- Nuts and whole grains
- Juice, soda, sports drinks
- Gummy & sticky candy
- Constant snacking/grazing
- Crackers & chips (hidden starch)
Great home care plus regular checkups is the winning combination. For the full picture on first visits, sealants, and easing dental fear, see our complete kids dentist guide.
Time for Your Child's Checkup?
Gentle, fear-free visits for kids of every age. Dr. C cares for Frisco, McKinney & Plano families.
Medically reviewed by Dr. Chakrapani Nannapaneni, DDS — UCSF School of Dentistry · ADA Member · Frisco Dental Hub, 4500 Hillcrest Rd Suite 190, Frisco TX 75035 · (972) 276-4888