Teeth Grinding and Night Guards in Abu Dhabi: Signs, Causes and Treatment

Close-up of hands holding clear dental aligners in a dental clinic

Most people who grind their teeth do not know they are doing it. It happens overnight, while the jaw muscles are working far harder than they are ever meant to, and the first sign is often not pain at all. 

It is a chipped edge on a front tooth, a cracked filling that should not have cracked, or a partner elbowing you awake because of the noise. If any of that sounds familiar, you are not imagining it, and you are far from alone. 

Bruxism, the clinical name for teeth grinding and clenching, is one of the most common things we see and treat at our Abu Dhabi clinic, and it is also one of the most under-reported, because patients tend to mention it only after we find the damage during a routine check-up.

This guide covers how to recognise teeth grinding, what tends to cause it, why it is worth treating rather than living with, and how a properly fitted night guard compares with the generic ones sold over the counter.

What Is Bruxism, Exactly?

Bruxism describes the involuntary clenching or grinding of the teeth, most often during sleep, though some people also do it during the day without noticing, typically when concentrating or under stress. 

During an episode, the jaw muscles can generate significantly more force than normal chewing, and that force is applied repeatedly against tooth enamel that was never designed to withstand it. Sleep bruxism in particular is difficult to catch early, because the person doing it is asleep and usually has no memory of it happening. 

That is part of why it tends to be picked up by a dentist, a partner, or eventually by the damage itself, rather than by the person experiencing it.

Signs You Might Be Grinding Your Teeth

None of the signs below are exclusive to bruxism on their own, but together they build a fairly clear picture. Bring them up at your next check-up so we can look for the physical evidence directly.

  • Waking up with a dull ache in the jaw, temples, or ears, particularly first thing in the morning
  • A partner or family member reporting a grinding or clicking sound during the night
  • Teeth that look shorter, flatter, or more worn than they used to, especially on the biting edges
  • Increased sensitivity to hot or cold that was not there before
  • Small chips or cracks appearing on teeth without an obvious cause, such as biting something hard
  • A filling, crown, or veneer that has cracked or come loose for no apparent reason
  • Tightness or fatigue in the jaw muscles during the day, or difficulty opening the mouth fully first thing in the morning
  • Indentations along the inside of the cheeks or a scalloped edge on the tongue, both signs of habitual clenching

If several of these apply to you, it is worth raising at your next visit, or booking a check specifically to have your bite and enamel assessed. A routine teeth cleaning appointment is also a natural point for us to spot early wear patterns before they progress, since we are already examining the tooth surfaces closely.

What Causes Teeth Grinding?

There is rarely a single cause, and for many patients it is a combination of factors rather than one clear trigger.

Stress and anxiety. This is the most commonly cited factor, and the one most patients recognise in themselves once it is pointed out. Periods of higher stress at work or at home often line up with a flare-up in grinding, even in people who have never had the habit before.

Bite alignment. Where the upper and lower teeth do not meet evenly, the jaw muscles can overcompensate, and grinding becomes a way the mouth tries to find a comfortable resting position. This is one of the reasons we assess bite alignment as part of a general check-up rather than only looking at individual teeth in isolation.

Sleep-related factors. Bruxism is more common in people with disrupted sleep patterns, and it has a recognised association with sleep apnoea in some patients. If grinding is accompanied by loud snoring, gasping during sleep, or daytime fatigue, that combination is worth mentioning to us, since it may point to something broader worth investigating.

Lifestyle factors. Caffeine, alcohol, and smoking are all associated with a higher likelihood of nighttime grinding in some patients, as are certain medications. This does not mean any of these factors will cause bruxism in every case, only that they appear more often in patients who grind than in those who do not.

Why Untreated Grinding Is a Problem

A dentist wearing gloves examines a patient's teeth

A small amount of enamel wear over a lifetime is normal. What makes bruxism worth treating is the pace and concentration of the damage. Left unaddressed, grinding can progressively wear down the biting surfaces of the teeth, increase the risk of cracks and fractures, and place repeated stress on any existing dental work. 

A crown, bridge, or filling that would otherwise last for years can fail early under the extra load. In more pronounced cases, the constant muscle tension can contribute to recurring headaches and jaw discomfort that patients often do not connect back to their teeth at all.

The good news is that bruxism itself is very manageable once it is identified, and the treatment does not need to be complicated.

Night Guards: Custom-Made vs Over-the-Counter

A night guard is a removable appliance worn while sleeping that sits between the upper and lower teeth, absorbing the force of grinding so it is the guard that takes the wear rather than the tooth enamel underneath. Patients often ask whether an inexpensive, one-size-fits-all guard from a pharmacy will do the same job as one made at a dental clinic, so it is worth setting out the difference plainly.

An over-the-counter guard is moulded roughly to a generic shape, or shaped at home using a boil-and-bite kit. It can offer some short-term protection, but it typically fits loosely, can be bulky or uncomfortable enough that patients stop wearing it, and provides no correction for any underlying bite issue.

A custom night guard is made from an impression or digital scan of your own teeth, so it fits precisely, sits comfortably enough to wear through the night, and is built from a material and thickness suited to how heavily you grind. 

Because it is fitted by a dentist who has already examined your bite, it can also be adjusted if your grinding pattern or bite changes over time. For most patients who grind regularly, a properly fitted guard is a more reliable long-term option than a generic one.

What Treatment at Our Abu Dhabi Clinic Involves

Treating bruxism starts with a conversation and an examination, not a night guard by default. At Perfect Smile Dental Centre, we look at the pattern of wear on your teeth, check your bite alignment, and ask about your sleep, stress levels, and any symptoms such as jaw ache or headaches. 

In most cases, a custom-fitted night guard is the primary recommendation, and where bite alignment is contributing to the problem, we discuss whether any additional treatment would help. Where we suspect a sleep-related cause such as sleep apnoea may be involved, we will recommend you also speak with a specialist, since a night guard addresses the wear on the teeth but not an underlying sleep disorder.

Looking After Your Teeth Alongside Treatment

A night guard protects against further wear, but it works best alongside good general care. Keeping up with regular professional cleaning helps us monitor for new wear patterns early, and if grinding has already damaged a tooth, restorative options such as those covered on our crown and bridge page may be needed to repair it properly. 

Addressing the grinding itself is what stops the same damage happening again to any repaired tooth.

Frequently Asked Questions

Occasional mild grinding is common and not usually a cause for concern. Regular or forceful grinding is worth treating, because over time it can wear down enamel, damage existing dental work, and contribute to jaw discomfort.

Yes, stress and anxiety are among the most commonly reported triggers, and many patients notice their grinding gets worse during particularly demanding periods in life, even if they have never had the habit before.

This varies by patient and how heavily they grind, but a well-cared-for custom guard typically lasts a good number of years before it needs replacing. We check its condition at your routine visits and let you know if it needs attention.