How to Identify Lip Tie in Babies: Symptoms and Treatment Methods

Lip tie in babies is a thin band of tissue connecting the upper or lower lip to the gums. In some babies, this structure can be shorter or tighter than normal, negatively affecting sucking, feeding, or speech development. Babies with a lip tie may struggle during breastfeeding, experience gas pains, and have slowed weight gain. In severe cases, a minor surgical procedure called frenectomy is performed to cut the lip tie, helping the baby feed comfortably. If left untreated, lip ties can lead to dental spacing issues and speech problems in later years.

What is Lip Tie (Frenulum) in Babies?

A lip tie (labial frenulum) in babies is a thin strip of tissue connecting the upper lip to the upper gums or the lower lip to the lower gums. This structure supports lip movement and plays an essential role in oral development.

Every baby has a lip frenulum; however, in some babies, it may be unusually short, thick, or tight. This condition can affect a baby’s ability to suck effectively, alter dental development, and lead to speech difficulties in later years.

A lip tie is typically noticed between the upper lip and gums but can also occur in the lower lip. While having a lip frenulum is natural, certain situations may require medical intervention.

Lip Tie vs. Normal Lip

Differences Between Upper Lip Tie and Lower Lip Tie

Lip ties in babies can occur either on the upper lip (upper lip tie) or on the lower lip (lower lip tie). Each type can affect a baby’s oral functions differently:

Upper Lip Tie (Maxillary Labial Frenulum):

• Connects the upper lip to the upper gums.

• A baby upper lip tie, if thick or rigid, can restrict the baby’s ability to move the upper lip freely.

• May prevent the formation of a proper vacuum during sucking, causing feeding difficulties.

• Can lead to gaps between teeth (diastema) at older ages.

Lower Lip Tie (Mandibular Labial Frenulum):

• Connects the lower lip to the lower gums.

• Generally causes fewer issues compared to an upper lip tie; however, if excessively short or rigid, it may impact speech development.

• Can lead to alignment problems with the lower teeth.

What Causes Lip Tie in Babies?

A baby lip tie occurs when the tissue connecting the lip to the gums is too short, thick, or tight, limiting lip mobility and affecting feeding. Lip tie in babies can be caused by a variety of factors, including genetics, developmental changes during the fetal stage, oral anatomy, jaw development, and connective tissue characteristics. Lip tie in babies can be caused by a variety of factors, including genetics, developmental changes during the fetal stage, oral anatomy, jaw development, and connective tissue characteristics.

Common causes of lip tie in babies include:

• Genetic factors

• Developmental changes in the womb

• Oral structure

• Jaw development

• Muscle tissue

• Connective tissue

Genetic Factors

Lip tie can have a hereditary component. If there is a history of similar issues in the family, the likelihood of the baby having a short or thick frenulum increases.

Fetal Development

During fetal development, if the frenulum tissue forms differently than normal, it can result in an unusually short or tight lip tie.

Oral and Jaw Structure

A baby’s oral anatomy, jaw development, and muscle tissue can influence the position and flexibility of the lip tie.

Connective Tissue

Since the frenulum contains a high amount of collagen, it may be stiffer and less flexible in some babies. This can limit lip movement.

How to Identify Lip Tie in Babies

Lip tie in babies is often noticeable from birth. The most common signs include difficulties with sucking, feeding problems, and restricted mouth movements. Parents can detect the presence of a lip tie by closely observing their baby’s feeding behavior and oral movements. However, a definitive diagnosis requires an examination by a pediatrician or a pediatric dentist (pedodontist).

Symptoms of Lip Tie in Babies

Babies with a lip tie may show various physical and functional symptoms. The most common signs include:

• Difficulty while sucking: The baby may struggle to latch properly onto the breast or bottle.

• Swallowing air while feeding: Since the mouth doesn’t fully close, the baby may swallow air during feeding, leading to gas and discomfort.

• Frequent unlatching: Babies who can’t create a proper vacuum may repeatedly come off the breast.

• Painful breastfeeding for the mother: Inadequate suction can lead to sore or cracked nipples.

• Extended feeding times: The baby may feed for longer periods due to insufficient milk intake.

• Irritability and constant hunger: Babies who can’t feed effectively may cry more often from hunger or discomfort.

• Dental and palate differences: If the lip tie is too short or thick, it may lead to gaps between teeth (diastema) as the child grows.

If a baby shows several of these symptoms, a professional evaluation is recommended.

Connection Between Lip Tie and Sucking Problems in Babies

When the lip tie is short or tight, the baby may be unable to open the lip fully during sucking, preventing proper suction. This can result in inadequate feeding and slow weight gain. Breastfeeding becomes more difficult and time-consuming. Swallowing air during feeding may also increase gas and discomfort in the baby.

At-Home Lip Tie Check

Some parents try simple at-home checks to see if their baby might have a lip tie. However, these methods are not sufficient for a definitive diagnosis. Gently lift your baby’s upper lip and observe the tissue between the lip and gums. Does it seem thicker than usual? Can you lift the lip fully? If you notice anything unusual, be sure to consult a pediatrician or pediatric dentist for an accurate diagnosis.

Should Lip Tie in Babies Be Treated?

Lip tie in babies does not always require medical intervention. In some cases, it causes no functional issues, while in others, it can negatively impact feeding or speech development.

Can a Lip Tie Resolve on Its Own?

In certain babies, the lip tie may stretch or thin out naturally as they grow. Especially in mild cases, it is observed that the frenulum loosens over time, and feeding difficulties decrease.

However, in babies with a thick or tight lip tie, spontaneous improvement is less likely. If the lip tie leads to feeding problems, disruptions in dental development, or delayed speech, treatment may be necessary.

When is Treatment Necessary?

If the baby consistently struggles during breastfeeding, the mother experiences pain while nursing, the baby frequently suffers from gas discomfort, gaps appear between the teeth, or speech development is delayed, a minor procedure called frenectomy may be required.

Treatment Methods for Lip Tie in Babies

In mild cases, a lip tie may naturally stretch or thin out over time. However, if it negatively affects feeding or speech development, doctors may recommend a minor surgical procedure.

One of the most common treatments for lip tie in babies is a minor surgical procedure called a frenectomy. This procedure is quick, safe, and involves minimal discomfort.

What is a Frenectomy? How is it Performed in Babies?

Frenectomy is a surgical procedure in which a portion of the labial frenulum tissue is cut to allow freer movement of the lip. The procedure typically takes just a few minutes and is painless for most babies.

First, a pediatrician or pediatric dentist evaluates the condition of the lip tie. For newborns and very young babies, anesthesia is often not required. For older infants, local anesthesia may be used. Traditional methods involve surgical scissors or a scalpel. Laser frenectomy is often preferred for its faster healing time. The procedure is usually completed within 1–2 minutes. Most babies return to normal quickly after the procedure, and feeding problems often resolve rapidly. Full healing typically takes 7–10 days. If the baby experiences severe pain, excessive bleeding, or ongoing feeding difficulties, a doctor should be consulted immediately.

What Problems Can an Untreated Lip Tie Cause?

If left untreated, a lip tie in babies can affect speech development, feeding habits, and may have long-term effects on dental structure.

Potential Impacts on Speech Development:

• Difficulty producing certain sounds (especially “P,” “B,” and “M”)

• Muffled or unclear speech

• Rapid speech disorders due to restricted tongue and lip movement

• Low self-esteem and challenges in social communication

Additionally, untreated lip tie may cause gaps between the upper front teeth (diastema), gum recession, and orthodontic issues. Restricted lip movement can lead to uneven jaw muscle development. During braces or orthodontic treatment, a tight lip tie may interfere with proper tooth movement.