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Bottles and Sippy Cups
Bottles and sippy cups are a normal part of early childhood, but prolonged use or certain feeding habits can increase the risk of dental problems. Understanding when to transition between feeding methods and which beverages are best for teeth can help support healthy oral development while reducing cavity risk.
How Bottle and Sippy Cup Habits Affect Oral Health
Frequent exposure to milk, juice, or other sugary beverages can increase the risk of tooth decay, especially when children sip throughout the day or fall asleep with a bottle. Encouraging water between meals and transitioning to age-appropriate drinking habits can help protect developing teeth and support healthy growth.
What is bottle rot or baby bottle tooth decay?
The most serious form of cavities among young children is baby bottle tooth decay. This condition is caused by frequent and long exposures of an infant’s teeth to liquids that contain sugar. Among these liquids are milk (including breast milk), formula, fruit juice and other sweetened drinks.
When the baby is feeding on breast milk only, the amount and frequency is not a concern. However, once other foods are introduced to the diet, putting a baby to bed for a nap or at night with a bottle containing anything other than water can cause serious and rapid tooth decay. Sweet liquid pools around the child’s teeth giving plaque bacteria an opportunity to produce acids that attack tooth enamel. If you must give the baby a bottle as a comforter at bedtime, it should contain only water. If your child won't fall asleep without the bottle and its usual beverage, gradually dilute the bottle's contents with water over a period of two to three weeks until it is only water.
After each feeding, wipe the baby’s gums and teeth with a damp washcloth or gauze pad to remove plaque. The easiest way to do this is to sit down, place the child’s head in your lap or lay the child on a dressing table or the floor. Whatever position you use, be sure you can see into the child’s mouth easily.
Are sippy cups bad for teeth?
Sippy cups should be used as a training tool from the bottle to a cup and should ideally be discontinued by the first birthday. If your child uses a sippy cup throughout the day, fill the sippy cup with water only (except at mealtimes). By filling the sippy cup with liquids that contain sugar (including milk, fruit juice, sports drinks, etc.) and allowing a child to drink from it throughout the day, it soaks the child’s teeth in cavity causing bacteria.
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