Clear, dentist-approved answers to the most common dental questions for children aged 6–9
As a parent, it’s natural to have many questions about your child’s teeth—especially around age 7, when milk teeth fall out, permanent teeth erupt, and habits begin to shape lifelong oral health. From cavities and brushing to crooked teeth, food choices, and night-time grinding, even small changes can feel worrying.
This page gives you clear, dentist-approved answers to the most common child dental questions—quick explanations with a “Read more” option if you want details. Whether you’re unsure what’s normal or when to see a dentist, you’ll find everything you need here, without confusion or guesswork.
Frequently Asked Questions About Children's Oral Health
A soft-bristled toothbrush and age-appropriate fluoridated toothpaste are recommended. The choice should match your child’s age, grip comfort, and cavity risk.
→ Read more about choosing the right brush & toothpaste
Both are effective if used correctly. Electric brushes can be helpful for kids with poor brushing skills or low motivation, but technique matters more than the tool.
→ Read more about electric vs manual toothbrushes
Brushing twice daily with pea-sized toothpaste, gentle circular motions, and parental supervision is essential till 8yrs of age to ensure effective cleaning.
→ Read more about correct brushing technique for kids
Yes. Milk teeth hold space for permanent teeth and help in chewing and speech. Untreated cavities can cause pain, infection, and affect the upcoming permanent teeth.
→ Read more about treating milk teeth cavities
Sealants and fluoride strengthen teeth and significantly reduce the risk of decay when combined with good brushing habits.
→ Read more about cavity prevention in children
This is common during the mixed dentition phase. Gaps are often normal and allow space for larger permanent teeth to erupt properly.
Around age 7 is ideal for an early orthodontic evaluation to detect jaw growth issues, crowding, or bite problems early.
Night-time grinding is common and often temporary. It may be linked to stress, erupting teeth, or bite changes and usually needs monitoring rather than immediate treatment.
→ Read more about teeth grinding in children
Stay calm, rinse the mouth, preserve any broken piece if possible, and visit the dentist immediately. Early care can save the tooth.
→ Read more about dental emergencies in children