Teeth Grinding (Bruxism): Solutions That Work

Two types

• Sleep bruxism: grinding or clenching during sleep — often unconscious to the patient
• Awake bruxism: clenching during the day, often linked to stress or concentration

How to know if you grind

• Jaw stiffness on waking
• Headaches in the morning, especially temples
• Tooth wear visible on front teeth (flattened or chipped)
• Tooth sensitivity to cold or biting
• Partner reports grinding sounds at night
• Tongue scalloping (waves along the side)
• Cheek biting marks on the inside of the cheeks

Why it matters

Grinding destroys teeth and restorations over years:

• 200–600 Newtons of force per grind cycle (vs ~100 N normal chewing)
• Wear of 0.5–1 mm per decade in heavy grinders
• Chipped veneers, cracked crowns, fractured teeth
• Gum recession along the facial surfaces of premolars
• TMJ pain and headaches
• Shortened facial height over decades

The nightguard

A custom-made hard acrylic nightguard is the single most effective intervention for most grinders.

What it does:

• Absorbs forces before they reach teeth
• Breaks the grinding reflex via bite disruption
• Protects restorations (veneers, crowns)
• Reduces morning jaw soreness within 1–2 weeks

What it doesn't do:

• Eliminate grinding (you may still do it, but on the guard)
• Replace stress management

Cost in Dubai: AED 1,200–2,500. Replace every 3–5 years.

Hard vs soft guards

• Hard acrylic (recommended): durable, distributes force evenly, barely moves teeth
• Soft vinyl: more comfortable but can paradoxically encourage clenching in some patients
• Dual-laminate (soft inside, hard outside): good middle ground for new guard wearers

Over-the-counter guards

Boil-and-bite guards work short-term but:

• Don't fit precisely
• Can dislodge during deep sleep
• May increase clenching in some cases
• Wear through in 6–12 months

Fine for 2 weeks while waiting for a custom guard. Not a long-term solution.

Botox for grinders

If grinding persists with heavy muscle activity despite a guard:

• 25–50 units of botulinum toxin into each masseter
• 3–4 months of significant reduction in muscle force
• Well-tolerated; painless injection

Especially effective for patients with visibly bulky jaw muscles or very heavy grinding.

Behavioural approaches

For awake bruxism

• "Lips together, teeth apart" — a mantra checked hourly
• Phone reminders
• Biofeedback apps (Smart mouthpieces detect clenching)
• Address ergonomics (monitor height, keyboard angle)

For sleep bruxism

• Pre-bed relaxation (reading, hot bath)
• Limit caffeine after 2pm
• Avoid alcohol close to bed (increases grinding)
• Screen-free 30 minutes before sleep
• Treat sleep apnoea if present (major cause of sleep bruxism)

When grinding signals sleep apnoea

Heavy sleep bruxism is associated with sleep apnoea in 20–40% of cases. If you:

• Snore loudly
• Are tired despite 7–8 hours
• Have a partner who notices breathing pauses

...ask about a sleep study. Treating apnoea often reduces or eliminates grinding.

References

• American Dental Association — Bruxism management
• Journal of Oral Rehabilitation — Bruxism meta-analyses