• It is characterized by sharp pain on chewing without any reason.
• It caused by hidden crack of teeth.
• These are incomplete fractures that are too small to be seen on radiographs.

Symptoms

• Sharp fleeting pain
  • because when biting down,segments move apart. low pressure in nerves of pulp.

• Bite release
  • segments snap back together sharply increasing the pressure causing pain.

• Pain- which is inconsistent.

Causes

• Attrition
• Bruxism
• Trauma
• Accidental biting on hard object.
• Presence of large restoration.
• Improper endodontic treatment.
• Craze line
• Fractured cusp
• Cracked tooth split tooth
• Vertical root fracture

Treatment

• Stabilization with stainless steel band.
• Crown placement
• Endodontic treatment
• Restoration.