By Haifa Chairunisa
For many parents, bottle nipples are often seen as a simple accessory to breastfeeding or formula feeding. As long as a baby feeds well and appears comfortable, the shape and design of the nipple may receive little attention.
However, experts warn that bottle nipples play a significant role beyond milk flow. Their shape, size, and design influence how a baby sucks, tongue positioning, and the pressure placed on the jaw and gums during early development.
As a result, specialists say bottle nipple selection should not be taken lightly—particularly for long-term use—because of its potential impact on oral development.
According to pediatric dentist Dr. Aliyah, the sucking mechanism differs markedly between breastfeeding and bottle feeding. When breastfeeding, babies actively coordinate the tongue, jaw, and mouth muscles to extract milk, a process that supports natural oral development. With bottle feeding, however, the nipple largely determines how much effort a baby must exert.
“Nipples with a fast milk flow can make babies more passive, as the milk flows easily without much suction,” Dr. Aliyah explained. “Typical bottle nipples often have holes at the tip, which allows milk to be delivered directly into the throat.”
Over time, this passive sucking pattern may weaken oral muscles and disrupt coordination between the tongue and jaw, she said.
Beyond sucking behavior, nipple design also affects pressure distribution in the mouth. Poorly designed nipples can exert repeated pressure on the roof of the mouth and gums. Because an infant’s oral tissues are still soft, prolonged uneven pressure may influence jaw growth and tooth alignment.
Dr. Aliyah noted that improper nipple use can contribute to malocclusion, including protruding teeth. These effects often go unnoticed until baby teeth begin to emerge or the child reaches toddlerhood, making early prevention difficult.
To reduce such risks, health professionals increasingly recommend orthodontic bottle nipples. These are designed to match the natural anatomy of a baby’s mouth, allowing freer tongue movement while following the curve of the palate. The goal is to minimize pressure on oral structures and promote a more natural jaw position during feeding.
Several studies suggest orthodontic nipples distribute pressure more evenly than conventional designs, making them potentially more supportive of healthy jaw and dental development.
Orthodontic nipples may also help regulate milk flow. Dr. Aliyah emphasized that hole placement is critical. “Orthodontic nipples place the hole in the center, not at the tip,” she said. “This encourages suction and prevents milk from being pushed straight into the throat, helping reduce choking and colic.”
She added that the milk is directed upward before flowing down the throat, a mechanism believed to support more controlled feeding.
Despite their benefits, experts caution that orthodontic nipples are not without risks. Their effectiveness depends on correct use, selecting age-appropriate sizes, and avoiding prolonged or excessive use.
Ultimately, specialists stress that bottle nipples used daily play an important role in supporting a baby’s oral development from an early age, making informed selection essential for parents.
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