The impact of tongue-tie in children: From feeding difficulties to speech challenges

The lingual frenulum is a thin band of tissue located underneath the tongue, connecting the underside of the tongue to the floor of the mouth. This is a completely normal anatomical structure. However, when the frenulum is too short, thick, or attached in an unfavorable position, tongue movement may become restricted and affect several important functions during a child’s development.

Although it may seem like a relatively minor structural abnormality, tongue-tie can lead to a number of long-term effects if it is not detected and managed at the right time.

Common effects of tongue-tie in children

1. Causing feeding difficulties in infants and young children

In newborns and young children, the tongue plays an important role in creating suction and maintaining effective feeding. When tongue movement is restricted, a child may have difficulty latching properly, feed weakly, nurse for a long time without getting enough milk, or become tired quickly during feeding.

If this continues, it may affect the amount of milk the child receives, increasing the risk of poor weight gain and affecting nutritional development during the early stages of life.

2. Affecting speech development and pronunciation

The tongue is an essential organ for producing sounds and controlling pronunciation. When a short lingual frenulum limits the tongue’s range of motion, children may have difficulty pronouncing certain sounds that require flexibility of the tongue tip and tongue body.

If not detected and supported early, this condition may lead to unclear speech, speech distortion, or delayed development of language skills in some children.

3. Making oral hygiene more difficult

Limited tongue movement can also affect the mouth’s natural self-cleaning ability. When the tongue cannot reach or move freely to certain areas, children may have more difficulty cleaning the inner surfaces of the teeth, the floor of the mouth, or the areas around the dental arches.

Over time, this may increase the risk of plaque buildup, tooth decay, bad breath, or other oral hygiene problems if not monitored and managed properly.

4. Affecting confidence in communication

In older children, when speech is noticeably affected, they may become hesitant to speak, lose confidence in communication, or feel shy in school and daily social settings. This impact is not only functional but may also influence a child’s emotional well-being and social development.

When should parents bring their child for an evaluation?

Parents should consider having their child checked if they notice any of the following signs:

• Weak feeding or prolonged feeding that is still ineffective
• Poor weight gain or noticeable feeding difficulties
• Unclear speech, speech distortion, or difficulty speaking in older children
• Difficulty sticking the tongue out or lifting it freely
• A tongue tip that appears heart-shaped or forms a V shape when extended

Early evaluation helps the dentist assess the actual impact of the tongue-tie on feeding, speech, and tongue mobility, and determine whether monitoring or intervention is appropriate.

Treatment option: Frenectomy when indicated

In cases where tongue-tie clearly limits function, the dentist may recommend a lingual frenectomy. This is a relatively simple procedure, quick to perform, and minimally invasive when properly indicated.

After treatment, some children may also need guidance with tongue mobility exercises or speech follow-up to support better functional recovery, especially in cases that are identified later.

Early detection supports healthier development

Although tongue-tie may seem like a small structural issue, it can affect many important aspects of a child’s development, from feeding and eating to speech and confidence in communication.

Early detection and timely intervention can help improve tongue mobility, support clearer speech, enhance feeding ability, and allow children to grow with greater confidence in daily life.