How Dental Alignment Affects Chewing and Swallowing in Children

Author: DrSensory

June 11, 2025

How Dental Alignment Affects Chewing and Swallowing in Children

Proper dental alignment is about more than just a straight smile—it’s essential for how your child chews, swallows, and speaks. Many parents are unaware that bite issues can lead to oral-motor delays, digestive discomfort, and even speech challenges.

In this article, we’ll explain how your child’s bite affects their overall function, signs of alignment issues, and how early intervention can support proper oral development.

Why a Functional Bite Is About More Than Straight Teeth

What Is a Functional Bite?

A functional bite refers to how the upper and lower teeth come together during chewing and swallowing. Even if a child’s teeth appear straight, they may still have an improper bite, known as malocclusion.

Common Types of Malocclusion:

Overbite – upper front teeth extend too far forward
Underbite – lower teeth protrude beyond upper teeth
Crossbite – misalignment of upper and lower teeth when biting down
Open bite – front teeth don’t touch when back teeth are together

How Misalignment Affects Chewing and Swallowing

1. Chewing Efficiency Decreases

Misaligned teeth make it harder to break food down properly. This can result in:

Incomplete chewing
Difficulty with harder textures
Gagging or choking on food
Poor digestion from swallowing larger food particles

2. Swallowing Becomes Difficult or Atypical

Children may develop improper swallowing patterns, such as:

Tongue thrusting (tongue pushes forward during swallowing)
Swallowing with lips open
Delayed coordination of the jaw and tongue

3. Jaw Strain and Muscle Fatigue

If a child has to work harder to chew or speak due to alignment issues, it can lead to:

Jaw pain
Fatigue during meals
Avoidance of chewy foods
Mouth breathing or tongue postural issues

Can TMJ Issues Start in Childhood? Early Symptoms to Watch For
Can Mouth Breathing Affect Your Child’s Dental Health?
How to Spot Oral Development Delays in Children Early

The Link Between Bite, Feeding, and Development

A misaligned bite can lead to oral-motor feeding challenges, especially in children with sensory sensitivities or delayed oral development. Some children may become picky eaters or avoid certain textures due to discomfort.

Promoting Oral Motor Development for Speech and Feeding
Delayed Speech in Children: Causes, Signs, and Therapy Options
How Dental Alignment Affects Chewing and Swallowing in Children

Interventions for Oral-Motor Feeding Challenges

Early identification and correction of bite issues can improve your child’s chewing and swallowing abilities. Here’s how:

1. Orthodontic Treatment (Braces or Aligners)

Gradually shifts teeth and jaws into proper alignment
Enhances bite function and chewing efficiency
May prevent future TMJ issues or speech delays

2. Myofunctional Therapy

Targets tongue, lips, and jaw function
Improves swallowing coordination
Helps retrain mouth muscles for better oral habits

3. Jaw and Facial Muscle Exercises

Eases muscle tension and strain
Improves bite closure and muscle endurance
Especially helpful for kids who fatigue while eating

The Link Between Tongue Posture and Jaw Development in Kids
Dental Signs of Sensory Processing Differences in Children
Signs Your Child May Have a Hidden Oral Restriction

When to See a Pediatric Dentist or Orthodontist

Signs your child may need an evaluation:

Chews only on one side of the mouth
Avoids chewy or textured foods
Frequently chokes, gags, or drools
Has a visible overbite, underbite, or crooked teeth
Struggles with speech clarity or articulation

A pediatric dentist or orthodontist trained in functional dental development can assess whether your child’s bite is impacting their oral-motor skills.

How Dental Alignment Affects Chewing and Swallowing in Children
Typical Milestones in Speech and Language Development for Birth to Seven
Baby Teeth and Speech Development: How Are They Connected?

Supporting Your Child’s Oral Development at Home

Encourage chewing a variety of textures (age-appropriate)
Practice blowing bubbles, using straws, or chewing resistive foods
Watch for signs of fatigue during meals
Monitor your child’s jaw alignment and posture

A Healthy Bite Supports More Than a Smile

Dental alignment affects much more than appearance—it plays a critical role in your child’s ability to eat, speak, and grow confidently. By identifying bite or alignment concerns early, you can help prevent feeding struggles and support stronger oral function.