Definition:
Bruxism is the involuntary clenching or grinding of teeth, typically occurring during sleep (sleep bruxism) or while awake (awake bruxism). It involves repeated jaw-muscle activity and can exert forces of up to 250 pounds on teeth.

Symptoms:
- Teeth grinding or clenching sounds.
- Flattened, chipped, cracked, or loose teeth.
- Worn tooth enamel and increased tooth sensitivity.
- Jaw, face, or neck pain and stiffness.
- Morning headaches.
- Temporomandibular joint (TMJ) disorders.
- Sleep disruption.
Causes and Risk Factors:
- Stress and anxiety.
- Genetics.
- Certain medications (e.g. SSRIs).
- Alcohol and caffeine consumption.
- Smoking.
- Sleep disorders.
Diagnosis:
- Physical examination of teeth, jaw, and TMJ.
- Sleep study (polysomnography) in some cases.
Treatment Options:
- Lifestyle changes: Reducing alcohol, caffeine, and tobacco use.
- Stress management: Relaxation techniques, meditation, exercise.
- Dental appliances: Custom-made night guards or splints.
- Physical therapy: Jaw exercises and massage.
- Medications: Muscle relaxants, botulinum toxin injections.
- Behavioral techniques: Biofeedback therapy.
- Treatment of underlying conditions: Addressing associated sleep or gastrointestinal disorders.
Prevention:
- Regular dental check-ups.
- Stress reduction.
- Avoiding habits that may damage teeth.
FAQs:
- Can bruxism cause permanent damage?
– Yes, untreated bruxism can lead to tooth wear, fractures, and TMJ disorders. - Is bruxism always related to stress?
– While stress is a common cause, other factors like sleep disorders or medications can also contribute. - How effective are night guards for treating bruxism?
– Night guards can help protect teeth from damage but may not address the underlying cause of bruxism. - Can children develop bruxism?
– Yes, bruxism can occur in both children and adults. - Is bruxism treatable?
– While there’s no single cure, various treatments can help manage symptoms and prevent dental damage.

