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Tooth Grinding - Possible Causes & What You Can Do

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While most kids outgrow grinding their teeth, intervention may be necessary if they don't.  Tooth grinding over a prolonged period (especially with permanent teeth) may put them at risk for worn-down teeth, tooth sensitivity, jaw pain, headaches, etc.  There is no one accepted reason as to why it happens, but there are several factors that may be contributing to the problem:

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Tooth Grinding - Possible Causes & What You Can Do

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DENTAL PROBLEMS

First and foremost, I recommend that you see a dentist to rule out any underlying medical issues that may be the cause of tooth grinding, such as an abnormal bite, misaligned teeth, etc.  A dentist may also recommend a bite guard, especially if the problem only persists at night.

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MEDICATION SIDE EFFECT

Check the medications that your child is on.  Is tooth grinding a side effect?  If so, consult with his doctors to see if there is a suitable alternative.

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STRESS / ANXIETY

Many people say that tooth grinding/clenching is stress-related.  Try to pinpoint possible sources of stress and see if anything can be done to resolve them.

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HABIT

Could he be grinding his teeth out of habit?  If so, work on replacing the habit with a safer alternative.  For example, every time your child grinds his teeth, provide him with an  oral fidget to chew on.  Be patient and consistent.

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Tooth Grinding - Possible Causes & What You Can Do

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It's also worth noting that a recent  study on bruxism (the technical term for clenching or grinding the teeth) found success with verbally telling a young girl to stop grinding her teeth.  Sounds simple, but habits are often done unconsciously/automatically.  So a verbal reminder may help make them more aware of what they're doing, and they can in turn curb it.

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STIMMING 

Tooth grinding may be a form of stimming.  Short for self-stimulation, stimming is a way that individuals with autism and/or sensory processing disorder (SPD) calm and organize themselves, especially in times of stress or extreme emotions.  If this is the case with your child, an occupational therapist can assess his needs and put him on what's called a "sensory diet" of activities that will allow him to safely self-regulate throughout the day.  In the meantime, it's possible that an oral fidget / chew tool will help curb the tooth grinding as well.

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ORAL HYPOSENSITIVITY 

If your child is hyposensitive, he may be grinding his teeth because he needs more oral input.  Hyposensitive individuals have little to no awareness in their mouths, which means that they have a high threshold for oral input.  As a result, they may seek out orally stimulating activities that provide lots of proprioceptive feedback, such as mouth stuffing, excessive chewing on shirts, hands, pencils, etc., and/or tooth grinding.  A speech therapist and/or occupational therapist trained in SPD will be able to assess your child and implement intervention strategies based on his needs.  Many of these strategies involve providing oral input in more appropriate ways, such as the following:

 Gum massage - this is a great activity to begin with.  It's an easy and effective way to provide input to all areas of the mouth.

 ARK's ProbeproPreeferZ-Vibe, and Z-Grabber - these oral motor tools can be used to safely provide proprioceptive input within the oral cavity.  Use them to tap, stroke, and apply gentle pressure to the lips, tongue, cheeks, and gums.  Vary your pressure, the length of your strokes, and the duration of the stimulation.  With guided assistance, allow the child to mouth and explore the tips.  There are many different tips available for the Z-Vibe and Z-Grabber for varied sensory experiences.  The Animal Tips are a great option to start with, as these fun critters have lots of shapes, textures, and pockets to explore.

•   Vibration - The Z-Vibe and Z-Grabber can also be turned on to vibrate.  Vibration provides a new level of sensory stimulation to increase oral focus and awareness.  Many individuals also find it calming and soothing.

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Tooth Grinding - Possible Causes & What You Can Do

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•   Oral Sensory Chews - Allow the child to mouth safe chewing tools, such as the GrabberY-Chew, and/or chewelry.  These sensory chewies have long extensions that reach all the way to the back molar area for proprioceptive feedback to the jaw.  The textured and extra tough (XT) options are particularly recommended for sensory seekers.  You can also have the child bite down on the Grabber/Y-Chew and hold as you gently tug on it 3-5 times.  Repeat on both sides of the jaw up to 5 times throughout the day.  (This exercise provides additional input to the jaw.)

•  Diet - Incorporate more hard-to-chew foods into his diet, such as apples, celery, and carrots.

•  For more information on this topic click here.

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GLOBAL HYPOSENSITIVITY

Tooth grinding could also be a symptom of global hyposensitivity, not just oral hyposensitivity.  For instance, when children have low muscle tone or awareness throughout the body, they sometimes have difficulty turning on just one muscle group.  They could engage their jaw muscles while they are trying to stabilize their trunk to sit upright, and therefore grind their teeth.  If this is the case, a physical therapist and occupational therapist will be able to work on the ability to disassociate muscle groups.  In my experience, this is common in children with cerebral palsy. . DIET Children on a limited diet may still have the need to chew and bite and gnaw their food - and they may need to hear it happening.  Without this important element of eating, they may grind their teeth in search of that tactile and auditory feedback.

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DIET

Children on a limited diet may still have the need to chew and bite and gnaw their food – and they may need to hear it happening. Without this important element of eating, they may grind their teeth in search of that tactile and auditory feedback.

•  If the diet is limited because of food aversions, try these tips to accepting different food textures.

•  If the diet is limited because he's a picky eater, try these tips for pleasing picky eaters.

•  If the child is g-tube fed or on a diet limited of soft/puréed foods for medical reasons, he may still have the urge to physically chew.  Allow him to chew on an oral sensory chew tool, especially the textured ones, as these simulate the feel of real food. 

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