
Teeth grinding, or bruxism, is common in children and can occur as soon as their upper and lower teeth come through the gums. It is usually not harmful to their health, but it can cause jaw pain and dental damage over time. The rate of bruxism is highest in children, with 36.8% of preschoolers reported to grind their teeth at least once a week. Teeth grinding can be caused by various factors, including pain, stress, anxiety, sleep disorders, and genetics. If you are concerned about your child's teeth grinding, it is recommended to consult with a healthcare professional.
| Characteristics | Values |
|---|---|
| Name of the condition | Bruxism |
| Occurrence | Common in children, especially toddlers and preschoolers |
| Age of occurrence | Can start as soon as the teeth grow in during infancy |
| Age of cessation | Usually stops by age 6 or 7 when permanent molars erupt |
| Occurrence in sleep | More common during REM sleep, the second stage of sleep |
| Causes | Stress, anxiety, pain from an ear infection, teething, improper alignment of teeth, genetics, environment, central nervous system |
| Effect on sleep quality | May interfere with quality of sleep |
| Effect on behaviour | May lead to behavioural problems, hyperactivity, bad temper, poor academic performance |
| Effect on teeth | May cause dental damage by wearing down the teeth |
| Effect on jaw | May cause jaw pain |
| Treatment | Mouth guard for nighttime wear |
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What You'll Learn

Sleep bruxism is common in children and usually harmless
Sleep bruxism, or teeth grinding, is indeed common in children and usually harmless. It occurs when a person presses their upper or lower jaw down on each other and moves the teeth against one another. The rate of sleep bruxism is highest in children, with estimates ranging from 6% to 50% of children experiencing it. It can start as soon as a child's upper and lower teeth come through the gums, and it commonly occurs during the second stage of sleep, known as REM sleep.
The exact causes of sleep bruxism in children are not fully understood, but it is believed to be influenced by a combination of psychological factors, family history, and environmental triggers. While stress and anxiety can be contributing factors for older children and teenagers, they are not considered the primary causes for younger kids. Other possible reasons for teeth grinding in younger children include pain from an ear infection, teething, or improper alignment of the teeth.
Sleep bruxism usually goes away by the age of 6 or 7 when permanent molars erupt, but about a third of children will continue grinding their teeth into their teenage years and adulthood. In most cases, it is not something to worry about, as children's bites are flexible and will likely change as they grow. However, if teeth grinding interferes with the growth and alignment of permanent teeth in older children, it may require attention.
While sleep bruxism is generally harmless, prolonged and severe episodes can lead to dental damage and jaw pain. If your child experiences frequent teeth grinding that affects their sleep quality, it is recommended to consult a pediatrician or a sleep specialist. Additionally, if your child also snores loudly, breathes with their mouth open, or chokes or gasps while asleep, it is advisable to see a doctor to rule out conditions like sleep apnoea.
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Stress and anxiety may cause teeth grinding in children
Teeth grinding, or bruxism, is surprisingly common, with up to 40% of children and adolescents exhibiting this behaviour. While the exact cause of bruxism is unknown, it appears to be strongly linked to another sleep disorder, Obstructive Sleep Apnea, which can cause an increased risk of anxiety in children.
Stress and anxiety are also considered to be contributing factors to teeth grinding in children. This could be due to a life event or pressure at school. Teeth grinding may be an involuntary response to feeling overwhelmed and stressed. Research suggests that toddlers who experience stress and separation anxiety may be more prone to teeth grinding.
If left untreated, teeth grinding can lead to long-term problems, including increased anxiety, tooth wear, and Obstructive Sleep Apnea. It can also cause jaw pain and dental damage. Parents who suspect that their child might be suffering from a sleep disorder are encouraged to consult with their child's pediatrician or a sleep specialist.
There are several strategies to manage stress and prevent teeth grinding. This includes therapies like meditation, exercise, and cognitive behavioural therapy. Lifestyle changes, such as reducing caffeine or alcohol consumption, can also help. In severe cases, healthcare providers might recommend botulinum toxin injections to relax the jaw muscles and reduce pain.
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Teeth grinding can cause dental damage and jaw pain
Teeth grinding, or bruxism, can cause a range of dental issues and other problems. It is a common condition, especially in children, with an estimated 14 to 17% of kids experiencing it. Bruxism can occur during the day or at night and often happens subconsciously. It can be difficult to identify in children unless they share a room with a sibling or caregiver, who may hear the grinding.
The constant grinding and clenching of teeth associated with bruxism can lead to tooth erosion, loose or cracked teeth, and other forms of dental damage. Over time, this can result in significant wear and tear on the teeth, causing them to become weakened and more susceptible to further damage. In addition to dental issues, bruxism can also cause pain in the jaw and facial region, as well as headaches. The jaw pain associated with teeth grinding may be managed with ice packs or, in more severe cases, Botox injections to relax the jaw muscles.
If left untreated, bruxism can lead to temporomandibular joint (TMJ) disorders, which can cause chronic pain and affect the function of the jaw. TMJ disorders can also result in issues with the alignment of the teeth and jaws, leading to further dental complications. In some cases, bruxism may be related to underlying sleep disorders, such as sleep apnea, or it could be a symptom of stress and anxiety.
To prevent dental damage and jaw pain caused by teeth grinding, it is recommended to consult a dentist or healthcare provider. They may suggest a custom mouth guard to be worn at night, which protects the teeth from damage and helps to reduce strain on the jaw muscles. For children, it is important to ensure they are getting enough sleep and to address any underlying stress or anxiety that may be contributing factors. While bruxism is common in children, it is still advisable to consult a pediatrician or sleep specialist if you are concerned about your child's grinding habits or if they display other symptoms such as snoring or mouth breathing during sleep.
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Teeth grinding may be linked to behavioural problems
Teeth grinding, or bruxism, is a common condition in children, with estimates suggesting that anywhere from 6% to almost 50% of children grind their teeth during sleep. The rate of bruxism is highest in children, with around 14 to 17% of children experiencing it. It usually begins when a child's upper and lower teeth come through the gums, and in most cases, it goes away by age 6 or 7. However, about a third of children will continue grinding their teeth into their teen years and adulthood.
While the exact cause of teeth grinding is not known, it is believed to be linked to a combination of psychological factors, family history, and environmental triggers. Studies have found that male children are more likely to grind their teeth, and it may also be influenced by genetics or similar upbringings within families.
Additionally, teeth grinding can be influenced by stress and anxiety, which may further contribute to behavioural problems. While it is not the primary cause for younger children, it becomes more relevant for older children and teens experiencing academic stress or other pressures. It is important to address any underlying stress or anxiety contributing to teeth grinding and behavioural issues.
If you are concerned about your child's teeth grinding, it is recommended to consult with a paediatrician, sleep specialist, or dental professional. They can provide guidance, rule out other issues, and suggest appropriate treatments or interventions if needed.
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Consult a doctor if you're concerned about your child's teeth grinding
Teeth grinding, or bruxism, is a common condition in children. It can occur as soon as a child's upper and lower teeth come through the gums, and can sometimes be a response to physical discomfort, such as teething, ear infections, or headaches. It is also often caused by stress and anxiety, which can be due to a life event or pressure at school. While teeth grinding is usually not dangerous and many children outgrow it without lasting problems, it can sometimes cause dental damage and jaw pain. If you are concerned about your child's teeth grinding, there are several instances in which you should consult a doctor or dentist.
Firstly, if your child's teeth grinding is interfering with their sleep or causing daytime fatigue, it is recommended that you consult a healthcare provider for further evaluation. Sleep disruptions can lead to irritability and fatigue during the day, so it is important to ensure your child is getting enough restful sleep. If your child is displaying signs of sleep disorders such as sleep apnea, snoring, or choking or gasping during sleep, you should also seek medical advice to rule out these issues.
Secondly, if your child's teeth grinding is causing them jaw or facial pain, or is damaging their teeth, you should consult a dentist. In these cases, a dentist may prescribe a special night guard, similar to mouthpieces used by athletes, to protect your child's teeth. Routine dental visits can help to find and treat bruxism, and dentists can check for chipped enamel and unusual wear and tear.
Thirdly, if basic stress relievers are not helping to stop your child's bruxism, you should work with your dentist or doctor to find the cause of the stress and make a plan to help. This may involve identifying and addressing any underlying stressors or triggers, such as a life event or school-related anxiety. If your child is acting differently than usual or struggling to sleep, it is important to seek professional advice.
Finally, if your child's teeth grinding persists beyond a few months or occurs frequently, it is recommended that you seek advice from a dentist or healthcare provider. Persistent or severe bruxism can lead to tooth damage, jaw issues, and sleep disruptions. While occasional teeth grinding is usually not a cause for concern, frequent grinding may indicate a more serious problem and require further evaluation.
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Frequently asked questions
Teeth grinding, or bruxism, is common in children and can be caused by a combination of psychological factors, family history, and environmental triggers. While the exact cause is unknown, stress and anxiety are believed to be contributing factors.
Bruxism is not considered dangerous, but it can cause jaw pain and dental damage over time. It can also lead to sleep disruptions for your child and others in the bedroom.
You can help redirect your child's attention if they grind their teeth during the day. As a preventative measure, your pediatric dentist can also create a custom mouth guard for nighttime wear.









































