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Childhood bruxism: causes, symptoms, and when to seek medical advice

Childhood bruxism, the involuntary grinding or clenching of teeth, is a common occurrence, particularly among toddlers and preschool-aged children. According to the American Academy of Pediatrics, this behavior can manifest before a child reaches one year of age and often resolves naturally by age six.

While many cases are transient, medical professionals advise monitoring for specific symptoms that may require intervention from a pediatrician or pediatric dentist. These warning signs include jaw, face, or ear pain; morning headaches; tooth sensitivity; enamel wear; or visible cracks in the teeth. Sleep disturbances and daytime fatigue are also noted as indicators for professional consultation.

The causes of bruxism are multifaceted. Research published in Frontiers in Oral Health suggests links to physical, emotional, familial, and sleep-related factors. Common triggers include dental development, bite misalignment, earaches, or oral irritation. Additionally, the National Health Service (NHS) identifies stress and anxiety as primary drivers, noting that school-related pressures—such as new environments, academic performance, or social integration—can exacerbate the condition.

Entities

American Academy of Pediatrics · Frontiers in Oral Health · National Health Service · The Journal of the American Dental Association

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