Breast Feeding and Jaw Growth

Breastfeeding is widely recognized for its numerous health benefits, including providing essential nutrients and fostering a strong bond between mother and child. However, the influence of breastfeeding extends beyond nutrition and emotional connection— it plays a crucial role in the early development of a child’s oral and facial structures. This article explores how breastfeeding impacts orthodontic health and discusses the complications that can arise.

Normal Tongue Position

Tongue Tie (Ankyloglossia)

Sucking Motion and Muscle Development

During breastfeeding, the baby must use a wide range of muscles in the jaw, face, and tongue to create the necessary vacuum to extract milk. This action exercises and strengthens the muscles involved in jaw development, particularly the masseter and temporalis muscles, which are essential for proper bite, jaw alignment, and facial muscels development, which are the foundations for proper speech development.
A Tongue Tied infant may struggle to create a proper latch, leading to inadequate stimulation of the muscles required for optimal jaw development.
Restricted Tongue Mobility: Effective breastfeeding requires the infant to extend the tongue over the lower gumline to create a strong seal. Tongue-tie can limit this mobility, reducing the ability to latch properly and compromising the stimulation needed for healthy jaw growth. Tongue-tie can cause problems with the articulation of sounds, particularly those that require the tongue to touch the roof of the mouth, such as “t,” “d,” “l,” and “n.”
Increased Nipple Pressure and Inefficient Milk Transfer: Due to difficulty in maintaining a deep latch, a tongue-tied baby may exert more pressure on the nipple, causing pain for the mother and reducing the effectiveness of feeding. This inefficiency can affect both the baby’s nutrition and the stimulation necessary for proper jaw growth.
Early Evaluation: If tongue-tie is suspected, it’s crucial to seek an evaluation. Early diagnosis and intervention can prevent complications associated with tongue-tie and improve the breastfeeding experience for mother and baby.

Speech Development

The shaping of the palate through the tongue’s pressure during breastfeeding is crucial for speech development. A properly shaped palate provides the correct space and alignment for the teeth, which in turn supports the articulation of sounds.
A high, narrow palate, often associated with insufficient breastfeeding can lead to speech difficulties, as the tongue may not have enough space to move freely within the mouth, affecting the pronunciation of certain sounds.
By promoting healthy development of the jaw, palate, and oral muscles, breastfeeding can help prevent speech-related issues that might require intervention later in life. For instance, malocclusions or misaligned teeth, which can interfere with clear speech, are less likely to occur in children who have been breastfed, as the natural process of breastfeeding supports proper dental and facial development.

Promoting Proper Teeth Growth, Spacing, and Alignment

Breastfeeding plays a crucial role in the early development of a child’s oral structures, which includes proper teeth growth, spacing, and alignment. The natural mechanics of breastfeeding help ensure that these processes occur in a way that supports healthy dental outcomes and minimizes the need for orthodontic intervention later in life.

Guiding Teeth Eruption: The rhythmic movement of the tongue during breastfeeding applies consistent, gentle pressure against the palate (roof of the mouth). This pressure helps guide the teeth as they erupt, ensuring that they come in at the correct angle and in the right position.

Supporting Proper Spacing: Adequate spacing between teeth is crucial for avoiding overcrowding, which can lead to misalignment and bite issues. A well-shaped palate reduces the risk of dental crowding and future orthodontic issues. This natural widening of the palate during breastfeeding is a critical factor in ensuring that the teeth have enough space to erupt in alignment, minimizing the need for corrective dental procedures later in life.

If you’re interested, you can check out our Jaw Growth and Development page to learn more.