Chewing matters: As parents, we’re often familiar with the major milestones our children should be hitting—sitting, crawling, walking, talking. But there’s another set of important developmental markers that are often overlooked: oral milestones.

These lesser-known milestones play a crucial role not only in your child’s dental health, but also in their overall physical and cognitive development. And at the heart of many of these milestones? Chewing.

Why Oral Development Matters

If your child is over the age of two and experiencing things like mouth breathing, frequent dribbling, prolonged dummy use, or difficulty with certain foods or speech sounds, it could be a sign of underdeveloped oral muscles.

What causes this? One significant factor is a lack of chewing.

In recent years, we’ve seen an increase in the use of soft, processed foods and prolonged use of bottles or dummies. While convenient, these can reduce the amount of muscle activity required for oral function. As a result, important muscles in the lips, jaw, cheeks, and tongue may not develop as they should—leading to a cascade of potential issues.

A child at the dinner table

Signs to Watch For

Oral underdevelopment doesn’t always show up in obvious ways. Here are some common signs that may be worth looking into:

  • Mouth breathing
  • Frequent dribbling
  • Speech difficulties
  • Recurrent ear infections
  • Fussy eating or avoiding textured foods
  • Constant thumb sucking or dummy use beyond 6 months

These signs are not just cosmetic or minor issues. They can affect your child’s ability to sleep well, concentrate, eat a balanced diet, and even breathe properly.

The Importance of Chewing

Chewing plays a major role in facial development, correct swallowing patterns, speech clarity, and proper tooth eruption. It also stimulates saliva production, which is essential for maintaining a healthy mouth and preventing decay.

Unfortunately, many children today aren’t chewing enough. Our modern diets—filled with soft snacks, squeeze pouches, and minimal raw or fibrous foods—don’t provide the same resistance and variety that encourage strong oral muscle development.

A baby eating at the table

Oral Milestones: A Quick Guide

These are some of the key oral developmental stages your child should pass through:

  1. Sucking – Begins at birth and helps shape the jaw and facial muscles.
  2. Chewing – Begins around 4-6 months with safe teething toys, and progresses to more textured foods by 6-8 months.
  3. Mature swallowing pattern – Typically established by 9-12 months, replacing the early ‘tongue thrust’ reflex.
  4. Cup drinking – Expected from around 12 months. Transitioning from bottles supports correct tongue and jaw function.
  5. Tooth eruption – Usually begins at around 6 months and continues into early childhood.
  6. Closed-lip chewing – By age 2, children should be able to chew a variety of foods with lips closed and minimal mess.

These stages are essential for healthy orofacial development. If missed or delayed, they can contribute to more serious issues like speech delays, sleep disorders, recurrent infections, or the need for orthodontic treatment later on.

Long-Term Implications

When oral function doesn’t develop properly, the impact can be far-reaching:

  • Sleep disturbances – Children who mouth breathe may not get enough deep, restful sleep, which can affect their mood, learning, and energy levels.
  • Ear infections – Poor swallowing patterns can interfere with natural ear drainage, increasing the risk of infections.
  • Dental decay – Reduced chewing means less saliva, which is vital for cleaning the mouth and neutralising acids.
  • Future orthodontic treatment – Malocclusion (misalignment of the teeth and jaws) is increasingly common and often tied to poor oral habits and underdeveloped muscles.

Supporting Your Child’s Oral Health

The good news is, many of these challenges can be addressed or even prevented with early awareness and a few simple changes:

  • Introduce textured foods early (around 6 months)
  • Encourage chewing with safe, age-appropriate foods
  • Limit the use of dummies and bottles after 12-15 months
  • Promote nasal breathing and correct swallowing habits
  • Keep up with regular dental check-ups to monitor development

Final Thoughts

It’s easy to overlook the role that chewing and oral habits play in your child’s health, but these early years are foundational. By supporting their oral development through good habits and mindful choices, you’re helping to set them up for a lifetime of better health—both inside and outside the mouth.

If you have any concerns about your child’s oral development, don’t hesitate to get in touch. We’re always here to help.

The Wellesley Dental Practice – Gentle dentistry for growing smiles.