Baby Grinding Teeth: Causes, Treatment, and Doctor’s Expert Advice for Parents
As a doctor with years of experience in pediatric and dental health, I often meet parents who become worried the first time they hear their baby grinding teeth. The sound can be loud, even alarming — a high-pitched scraping or squeaking noise that seems unnatural for such a tiny mouth. But in most cases, this behavior is completely normal and temporary. Understanding why baby grinding teeth happens and how to respond can help parents stay calm and protect their child’s developing smile. What Does “Baby Grinding Teeth” Mean? The expression baby grinding teeth refers to the habit of clenching or sliding the upper and lower teeth against each other. In medical terms, it’s called “bruxism.” Although it is commonly discussed in adults and older children, it can also appear in infants once their first baby teeth erupt. This behavior usually starts around 6 to 10 months of age, when babies have several teeth in both the upper and lower gums. At this stage, they begin to explore how their mouth works — chewing, biting, and experimenting with jaw movement. Grinding becomes part of that exploration process. As a doctor, I explain to parents that baby grinding teeth is often a developmental phase rather than a disease. Why Do Babies Grind Their Teeth? There are several possible reasons why baby grinding teeth occurs. The causes can be physical, emotional, or developmental. Based on my clinical experience and medical studies, the most common factors include the following: 1. Teething Discomfort Teething is one of the main reasons for baby grinding teeth. When a new tooth pushes through the gum, babies feel pressure, itching, or mild pain. Grinding may act as a natural self-soothing response. It relieves tension in the gums and jaw and helps the baby adapt to the new teeth. 2. Exploring New Sensations When babies first get teeth, they become fascinated by the new feeling of hard surfaces in their mouth. They rub their upper and lower teeth together simply to experiment. It’s part of discovering their body. This type of baby grinding teeth is harmless and usually stops once the novelty wears off. 3. Jaw and Bite Development As the jaw grows and the dental bite changes, babies may grind their teeth to find a comfortable position between upper and lower teeth. This is called occlusal adjustment. It’s a temporary adaptation process that disappears once the bite stabilizes. 4. Sleep Patterns Some babies grind their teeth while sleeping. This type of baby grinding teeth, known as sleep bruxism, may occur during light sleep phases or when the baby transitions between sleep stages. It is often harmless, but in a few cases, it can be associated with sleep disturbances or breathing issues. 5. Stress or Emotional Factors Although stress seems like an adult problem, babies can also experience emotional tension — for example, due to separation from parents, change in routine, or discomfort. Grinding teeth can be an unconscious way to release that tension. In my medical practice, I have noticed that baby grinding teeth often appears more frequently during emotional changes or illness. 6. Airway or Breathing Issues In some cases, grinding can be related to airway obstruction or mouth breathing. Babies who snore, have enlarged tonsils, or show difficulty breathing during sleep may grind their teeth more often. These cases should be evaluated by a pediatrician or ENT specialist. How Common Is Baby Grinding Teeth? The habit of baby grinding teeth is surprisingly common. Research shows that up to half of all children experience teeth grinding at some point. In babies, it is usually a short-lived phase lasting a few weeks or months. Most children stop grinding once all baby teeth have erupted or when permanent teeth start appearing around age 6. From my own experience, I see about one in five babies showing noticeable grinding behavior during teething. Parents usually discover it at night or during naps when the room is quiet enough to hear the sound clearly. Is Baby Grinding Teeth Dangerous? In most cases, baby grinding teeth is not dangerous. The teeth are strong, and grinding for a few weeks rarely causes damage. However, prolonged or intense grinding can sometimes lead to issues such as: If you notice that your baby grinds teeth very loudly, seems uncomfortable, or shows visible wear on the teeth, it’s wise to consult your doctor or dentist. As a physician, I always recommend early evaluation if the behavior persists or if there are additional symptoms like sleep trouble or feeding problems. When to See a Doctor or Dentist You should consider seeing a medical professional if: As a doctor, I reassure parents that early consultation doesn’t necessarily mean there is something serious. It helps confirm whether the grinding is just part of normal development or needs treatment. What You Can Do at Home If your baby is grinding teeth, there are several simple things you can do to reduce discomfort and protect the teeth. 1. Relieve Teething Pain These actions can help reduce the urge for baby grinding teeth caused by teething discomfort. 2. Encourage Good Sleep Habits Create a calm sleep environment with consistent routines. Soft music, gentle rocking, and a dark room help babies sleep deeper and reduce grinding episodes. Regular sleep schedules are beneficial for overall neurological development. 3. Monitor and Record Keep a short diary: note when the grinding occurs, how often, and if there are any patterns (during teething, after stress, before naps). This helps your doctor identify triggers. 4. Protect Teeth and Jaw Make sure your baby’s mouth is clean. Start brushing gently with a baby toothbrush once the first tooth erupts. Visit a pediatric dentist around the first birthday. Early dental visits ensure that baby grinding teeth has not caused any enamel damage. 5. Manage Environmental Stressors Reduce noise, screen time, and overstimulation before bedtime. Babies are sensitive to emotional tension around them. Calm surroundings can lower the frequency of baby grinding teeth. My Medical Experience as a Doctor From my medical
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