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Bruxism
(Teeth Grinding)

Definition:
Bruxism is the chronic, involuntary grinding or clenching of teeth. It usually occurs during sleep, but may also occur while awake.

Causes:
The exact cause of bruxism is unknown, but it is believed to be related to:
  • Stress and anxiety
  • Abnormal alignment of the teeth or jaws
Risk Factors:
A risk factor is something that increases your chances of getting a disease or condition.

Risk factors include:

  • Chronic stress or anxiety
  • Aggressive or competitive personality
  • Abuse of drugs or alcohol–especially methamphetamines
  • Post-traumatic stress disorder
  • Age: 40 or younger; especially common in children
  • Family member with bruxism
  • Facial or oral trauma
  • Use of psychiatric medications, especially antidepressants such as Zoloft, Paxil, and Prozac
  • Prior serious head injury
Symptoms:
Symptoms may include:
  • Grinding sounds during sleep
  • Teeth sensitive to heat, cold, or brushing
  • Tense facial or jaw muscles
  • Hairline cracking of the enamel on some teeth
  • Sore teeth
  • Inflammation of the gums (gingivitis)
  • Headache
  • Damage to the inside of the cheek (from biting or chewing)
  • Temporomandibular joint disorder (TMJ)
Diagnosis:
The doctor or dentist will ask about your symptoms and medical history and examine your teeth and jaw. With bruxism, teeth will have flattened tips, excessive wear, or thin enamel.

Treatment:
Methods of treatment include:Behavioral Treatment

This method focuses on changing behavior through various techniques, such as:

  • Biofeedback
  • Stress management
  • Relaxation therapy or exercises
Orthodontic Treatment

Your dentist may recommend a protective mouth appliance, such as a night guard, that can absorb the pressure of constant night grinding.

Medication :

Medication is only recommended for short-term use. Medications may include:

  • Muscle relaxants
  • Mild sleeping aids
  • Injection of botulinum toxin (Botox) in severe cases
  • Novel medications such as clonidine are being explored as alternative treatments for some patients

Bruxism that is not treated may result in gum damage, loss of natural teeth, and jaw-related disorders.

Prevention:
The same methods used to treat bruxism can be used to prevent it.
 
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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