Most 16-month-olds have somewhere between 6 and 12 teeth, though some may already have as many as 16. That’s a wide range, and it’s completely normal. Tooth eruption follows a general pattern, but the timing varies significantly from child to child.
The Typical Range at 16 Months
By 16 months, most toddlers have their eight front teeth (four on top, four on the bottom) and are in the process of getting their first molars. The first molars typically break through between 11 and 19 months, so your child may have none, some, or all four by this age. That puts the realistic range at roughly 8 to 12 teeth for the average 16-month-old, with some kids on either side of that window.
A toddler with only 6 teeth at 16 months isn’t behind in any meaningful way. Likewise, a child who already has 16 teeth is simply on the early end. The full set of 20 baby teeth doesn’t usually arrive until around age 3, so there’s a long runway ahead.
Which Teeth Come in and When
Baby teeth follow a fairly predictable sequence, even though the exact timing shifts from child to child. Here’s the general order, based on data from the American Academy of Pediatric Dentistry:
- Lower central incisors (bottom front two): 5 to 8 months
- Upper central incisors (top front two): 6 to 10 months
- Upper lateral incisors (next to the top front teeth): 8 to 12 months
- Lower lateral incisors: 7 to 10 months
- First molars (upper and lower): 11 to 18 months
- Canines (the pointed teeth): 16 to 20 months
- Second molars: 20 to 30 months
At 16 months, you’re right in the zone where first molars are appearing and canines may just be starting. Those first molars are the big, flat teeth toward the back of the mouth. They tend to cause more discomfort than the front teeth did, partly because of their larger surface area pushing through the gums.
Why Some Toddlers Have Fewer Teeth
Genetics is the biggest factor in tooth timing. If you or your partner were late teethers, your child likely will be too. Premature birth can also shift the timeline, since tooth development is tied to gestational age, not just calendar age. Nutrition plays a smaller role, but adequate calcium and vitamin D support normal development.
A 16-month-old with fewer teeth than expected almost always catches up on their own. The general guideline is that no teeth at all by 18 months warrants a dental evaluation to rule out uncommon conditions. If your child has at least a few teeth and new ones have been gradually appearing, the pace is normal, just slower than average.
Molar Teething Can Mimic Illness
If your 16-month-old is fussy, drooling heavily, or pulling at their ears, there’s a good chance their first molars are coming in. Molar eruption tends to be the most uncomfortable stage of teething. The pain in the gums can radiate to the cheeks and ears, which is why toddlers rub their faces or tug at their ears during this phase.
That ear pulling looks a lot like an ear infection, though. The key difference: teething discomfort comes and goes and isn’t accompanied by a high fever. If your child has a persistent fever, nasal congestion, or a cough that sounds like it’s coming from the chest, that’s illness, not teething. The confusion is understandable. Around this age, the passive immunity babies receive from the placenta has faded, so they pick up more minor infections right when molars are also showing up.
Protecting New Teeth Early
Those newly erupted teeth are vulnerable to decay from day one. Baby teeth have thinner enamel than adult teeth, and decay in early childhood increases the risk of dental problems later in life.
Brush your toddler’s teeth twice a day with fluoride toothpaste. At this age, use a smear the size of a grain of rice. That tiny amount provides cavity protection while being safe if swallowed. A soft-bristled toddler toothbrush works best, and you’ll need to do the brushing yourself since a 16-month-old doesn’t have the coordination to do it effectively.
One habit worth changing if it applies to you: bottle feeding to sleep. Research from the University of Sydney found that children who were bottle-fed to sleep at bedtime had nearly twice as many teeth affected by decay in early childhood. Cow’s milk and formula both contain sugars that pool around the teeth when a child falls asleep with a bottle. This applies at any age, but it matters more now that your child has a mouthful of teeth sitting in that liquid overnight.
First Dental Visit Timing
The American Academy of Pediatrics recommends a first dental visit by your child’s first birthday or within six months of the first tooth appearing, whichever comes first. If your 16-month-old hasn’t been to the dentist yet, it’s a good time to schedule that visit. The appointment is brief and mostly focused on checking for early signs of decay, assessing how the teeth are coming in, and giving you guidance on brushing and diet. It also gets your child comfortable with the dental office before anything more involved is ever needed.