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Oral habits: often the body's way of compensating

Oral habits can relate to breathing, muscle tone, sensory needs or development. Many are common; a persistent pattern may be worth discussing in the context of the whole child.

Mouth Breathing

Resting or sleeping with an open mouth may affect how the face, jaws and airway develop. Mouth breathing may often lead to low tongue posture, weak lip muscles and inefficient breathing patterns.

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What parents should look for

Mouth breathing during the day or night
Snoring or restless sleep
Open-mouth posture
Dry lips or frequent lip licking
Drooling, loud or messy eating
Crowded or shifting teeth
Picky eating or difficulty chewing
Fatigue, irritability, or difficulty focusing

These signs can be subtle and are often mistaken for normal developmental phases.

Why these habits develop

Oral habits rarely appear without a reason. Common contributing factors include:

  • Difficulty breathing through the nose due to underdeveloped jaws and airways, allergies, congestion, or enlarged tonsils and adenoids
  • Restricted tongue mobility (tongue-tie)
  • Low oral muscle tone
  • Small jaws, high palate
  • Structural limitations in jaw or airway development
  • Prolonged use of pacifiers, bottles, or sucking habits
  • Sensory or self-soothing needs

The body adapts to maintain comfort and airflow, even if those adaptations are not ideal for growth.

Orofacial Myofunctional Therapy

Retraining the muscles behind the habits

Orofacial Myofunctional Therapy (OMT) is a specialised therapy that focuses on the muscles of the face, mouth, tongue, and airway. These muscles play a vital role in how a child breathes, sleeps, eats, speaks, and grows.

OMT uses exercises intended to improve awareness, coordination and function of oral and facial muscles. Whether it is appropriate depends on the child and the reason for the pattern.

Kids dressed as superheroes

Areas an OMT assessment may consider

  • Oral rest posture and nasal-breathing habits
  • Tongue movement and swallowing patterns
  • Chewing, speech and muscle coordination
  • Sleep-related signs reported by the family
  • Whether another health professional should be involved

Reasons families seek an early assessment

A child's face, mouth and airway are still developing. Families may seek advice when they notice:

  • Crowded teeth and orthodontic challenges
  • Sleep-disordered breathing or sleep apnea
  • Chronic mouth breathing
  • Jaw discomfort or TMJ concerns
  • Speech and swallowing difficulties
Happy kids at bedtimeAirway comparison

The approach

At Dr Levi's, we look at the connection between how jaw development influences airway development. When a child's dental arches and jaw are underdeveloped, it may impact the way they breathe, particularly during sleep. Addressing that growth and development early may help alleviate symptoms now and in the future.

We utilise a system of biomimetic oral appliances and therapies — tools designed to work with the body's natural growth processes to support the development of the jaw and dental arches. Every child is different, and we take the time to understand your child's individual situation before recommending any course of care.

How does it work?

The Vivos System combines prescribed oral appliances with a multidisciplinary care protocol. Dr Levi considers this approach only after an individual assessment and discussion of suitability, alternatives, limitations and risks.

An appliance may be used to support dental-arch and jaw development in selected patients. Effects on breathing, sleep and symptoms vary, and no outcome is guaranteed.

Meet the team

Our team are passionate about improving the quality of your child's breathing and sleep to maximise emotional, physical and mental growth and development.

Dr Mark Levi (Dentist)

Dr Mark Levi (Dentist)

Craniofacial Dental Care & Epigenetics

Sam

Sam

Clinic Manager

Tammy

Tammy

Clinical Administrator

Wouroud

Wouroud

Orofacial Myofunctional Therapist

Evie

Evie

Junior Clinical Administrator

Sources and further reading

  1. Association between oral habits, mouth breathing and malocclusion

Start with a free parent information call

No referral needed. Your child doesn't need to be present for this call. The consultation is an introductory call and does not constitute clinical advice.

Book a Free Parent Call

63 Oxford St. (cnr Pelican St.), Darlinghurst, Sydney (02) 9283 1900