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9 Month Old No Teeth: Is It Normal and When to See a Dentist
9 Month Old No Teeth: Is It Normal and When to See a Dentist
As a parent, every milestone for your child is important. If your baby has reached nine months without a tooth in sight, you may feel concerned. The short answer is: Yes, it is usually normal. While the average age for the first tooth is around six months, the normal range is quite broad, spanning from four to 15 months. Boost your knowledge about all things baby teeth-related so that you can feel confident in your knowledge and next steps. However, if your child has no teeth by nine months, it is recommended to schedule a visit with a pediatric dental professional to ensure development is on track. Professionals can help you find resources, products, and information to give your patients a healthier future.
When Do Teeth Usually Appear?
Teeth typically follow a predictable sequence. The two lower front teeth (central incisors) emerge first, followed by the four upper front teeth (central and lateral incisors). By age three, most children have a complete set of 20 primary teeth. Permanent teeth then start to appear around six years of age. Primary teeth play an essential role in your child’s development: specifically their ability to chew and begin to form sounds and words. Clinical Note: While eruption timing varies, the sequence of emergence is often more clinically significant than the exact date of the first tooth.
Potential Causes for Delayed Eruption
For most children with no teeth, a delay is simply an opportunity for parents to enjoy their gummy smile a little longer. However, if your child’s baby teeth are coming in late, several factors may be involved:
- Genetics: Several genetic disorders can trigger a delay, such as Down syndrome, Cleidocranial dysostosis, and Apert syndrome. Rare genetic abnormalities can also cause poorly formed teeth and late appearances, such as amelogenesis imperfecta and regional odontodysplasia.
- Developmental Disorders: Endocrine system disorders, including hypopituitarism and hypothyroidism, can cause delayed tooth eruption.
- Nutritional Deficiencies: A lack of certain vitamins can cause a delay as well as brittle teeth.
- Birth Factors: Premature birth or low weight at birth can cause both delayed tooth eruption and enamel defects.
What to Expect at the Dentist
If your child’s baby teeth coming in late is a concern for you, arrange a dental visit. A pediatric dentist will inspect your child’s mouth and may decide to take dental X-rays and refer you to other specialists to run tests to confirm there is no underlying genetic, developmental, or health issue. Red Flag: If you notice persistent swelling, unusual gum discoloration, or if the child is failing to meet other developmental milestones, consult your pediatrician or dentist promptly.
Frequently Asked Questions
Is it normal for a one-year-old to have no teeth?
It can be concerning if you have a one-year-old with no teeth, but remember that the normal age range for a baby’s first tooth is wide, ranging from four to 15 months. If they have not appeared by nine months, a dental visit is recommended.
Why are primary teeth important?
Primary teeth are essential for your child’s development, specifically their ability to chew and begin to form sounds and words. They also lay the foundation for when permanent teeth come in.
What happens if my child has no teeth by nine months?
MedlinePlus recommends that if your child doesn’t have any teeth by the time they turn nine months old, you should take them to see a pediatric dental professional to rule out underlying health issues.
How do I care for my baby’s mouth before teeth appear?
Caring for your child’s gums is an important part of their oral health. You can gently wipe their gums with a clean, damp cloth after feedings. Once teeth do appear, they require regular cleaning with toothpaste specifically for infants and a soft-bristled brush to prevent early decay; learn how to brush your teeth for kids to ensure you are using the right techniques.

