Dental and oral development
Daytime Teeth Grinding in Children
Daytime grinding is a different thing from night grinding — and the answer is not a nightguard.
- Expert Reviewed
- Evidence Based
- Patient Focused
Grinding or clenching teeth while awake is different from grinding during sleep, and the two have different patterns and different management. Awake bruxism tends to be a semi-voluntary clenching or grinding habit, often associated with concentration, stress, or as a self-regulating behavior — and because it happens while awake, a child can become aware of it, which is what makes it more responsive to gentle habit awareness than sleep grinding is. It's also worth knowing that some children grind while awake as a sensory-seeking behavior, particularly children who seek oral input generally. Persistent grinding that's wearing teeth, causing jaw pain, or accompanied by headaches is worth raising with a dentist.
What daytime grinding actually looks like
Parents usually describe one of three things: a grinding or squeaking sound while a child is concentrating, a visible jaw clench, or a child who is chewing on nothing in a repetitive way.
It tends to cluster around particular moments — during homework, while watching something absorbing, in the car, in a waiting room, or in the run-up to something the child is anxious about. That patterning is the most useful clue you have, and it is the main practical difference from sleep grinding, which has no situational pattern at all.
Why children do it
Concentration and effort
Clenching during focused effort is extremely common and largely unremarkable. Plenty of adults do the same thing at a keyboard.
Stress, anticipation and holding something in
Jaw tension is one of the places the body puts stress it has nowhere else to send. In children the trigger is often something specific and time-limited — a new school year, a change at home, something they are worried about but have not said.
Sensory seeking — the explanation most dental advice leaves out
Recognizing this changes the response completely. A child grinding for sensory input is not going to stop because they are asked to; they will stop when the input is available in a form that does not involve their teeth.
Something in the mouth that does not feel right
New teeth arriving, a tooth that meets the opposing one before the others do, or a sore area can all produce a grinding or shifting habit that resolves when the cause does.
When to raise it
- Teeth that are visibly flattening or wearing, or looking shorter than they did
- Jaw pain, or a jaw that clicks, locks, or is painful to open wide
- Headaches, particularly in the morning or after school
- Difficulty or discomfort eating, or avoiding harder foods
- Sensitivity that is new
- Grinding that has escalated sharply over a short period
What helps — and it is not a nightguard
Awareness, gently
Because the child is conscious, they can learn to notice it. What works is a neutral private signal rather than correction — a hand on the shoulder, an agreed word — paired with something to replace the position: lips together, teeth apart, tongue resting on the roof of the mouth. Teeth are only meant to touch while eating.
Naming it as a fault does not help. Children who are told off for grinding tend to do it more, because being told off is itself stressful.
Give the input somewhere else to go
Where the grinding is sensory, offer the same feedback in a form that is not enamel: crunchy foods at predictable points in the day, chewy foods that take work, a drink through a straw, a chew tool designed for the purpose. An occupational therapist can help work out what pattern of input suits your child.
Address the trigger where there is one
If it clusters around a specific situation, the situation is usually the more productive thing to change.
What about the airway?
The association between grinding and disturbed breathing during sleep is real, and it belongs to sleep bruxism rather than to daytime clenching. It is worth knowing about because a child can do both.
If your child also snores, sleeps restlessly, breathes through their mouth, or wakes unrefreshed, that is worth raising in its own right — and the direction of cause between grinding and breathing is still not settled, so it is a reason to have the breathing assessed rather than to draw a conclusion.3
What to track before the appointment
- When it happens — the situations, not just the frequency
- Whether it is grinding or clenching, if you can tell
- Whether your child is aware of doing it when you mention it
- Any jaw or head pain, and when in the day
- Whether they also grind in their sleep
- Other oral seeking — chewing clothing, pencils, objects
Frequently Asked Questions
Is daytime teeth grinding the same as grinding at night?
No. Awake bruxism is largely clenching, is semi-voluntary, tends to cluster around concentration or stress, and can be modified because the child is conscious. Sleep bruxism happens outside conscious control, has a rhythmic grinding pattern, and carries an association with disturbed breathing during sleep that daytime clenching does not.
Why does my child grind their teeth while concentrating?
Clenching during focused effort is common and usually unremarkable — many adults do the same at a keyboard. It becomes worth addressing if it is frequent enough to be wearing the teeth, or if it comes with jaw pain or headaches.
Can teeth grinding be a sensory behavior?
Yes. The jaw is a strong source of proprioceptive feedback, and children who seek oral input in other ways — chewing sleeves, mouthing objects, preferring crunchy and chewy foods — may grind for the same reason. That grinding is regulating rather than symptomatic, and it responds to offering the same input in another form rather than to being asked to stop.
Does my child need a nightguard for daytime grinding?
A nightguard is designed for grinding during sleep, when a child cannot modify what their jaw is doing. For daytime grinding it addresses the wrong problem at the wrong time, and it removes the awareness that makes awake bruxism treatable. Ask your dentist about one for night grinding specifically.
When should I take my child to a dentist about grinding?
When teeth look flattened, worn or shorter, when there is jaw pain or a jaw that clicks or locks, when there are headaches, when eating becomes uncomfortable, when there is new sensitivity, or when the grinding has escalated sharply over a short period.
How do I get my child to stop grinding during the day?
Because they are awake, awareness is the effective route — a neutral private signal rather than correction, paired with a position to replace it: lips together, teeth apart, tongue resting on the roof of the mouth. Telling a child off for grinding tends to increase it, since being told off is itself stressful.
Sources
- Oh JS, Zaghi S, Ghodousi N, Peterson C, Silva D, Lavigne GJ, Yoon AJ. Determinants of probable sleep bruxism in a pediatric mixed dentition population. Sleep Medicine. 2021;77:7–13. doi:10.1016/j.sleep.2020.11.007 (PMID 33291022)
- Błaszczyk B, Waliszewska-Prosół M, Więckiewicz M, et al. Sleep bruxism (SB) may be not associated with obstructive sleep apnea (OSA): a comprehensive systematic review. Sleep Medicine Reviews. 2024;78:101994. doi:10.1016/j.smrv.2024.101994
- American Academy of Pediatric Dentistry. Obstructive Sleep Apnea. In: The Reference Manual of Pediatric Dentistry. The AAPD's recommendations on the dentist's role in recognizing signs of obstructive sleep apnea in children and referring for evaluation. aapd.org. Checked September 13, 2026.
Medical disclaimer. This page is for general educational purposes and does not constitute medical or dental advice, diagnosis, or treatment.