Bone Cyst

Bone Cyst

A bone cyst or dentigerous cyst is a fluid-filled sac that is associated with an impacted tooth.

Dr. Stephen Juriga headshot

Originally published by Stephen Juriga, DVM · part of the AOSN network.

Signs you might notice

What you need to know

Dentigerous cysts occur in pets with impacted teeth.

What you need to know

Will destroy bone, cause tooth loss and weaken the jaw.

What's really going on

Dentigerous cysts occur in pets with impacted teeth. These cysts will silently destroy bone, result in tooth loss and can weaken the jaw sometimes resulting in a fracture. Treatment involves dental x-rays, surgical removal of the impacted tooth and any affected teeth. The cystic lining must be completely removed and biopsied. The oral surgical site is closed with absorbable sutures to attain good healing

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How it may look

Missing PM1 & PM2
Missing PM1 & PM2
Dental x-Ray showing cyst around the crown of PM1 tooth
Dental x-Ray showing cyst around the crown of PM1 tooth

How a specialist helps

Treatment involves dental x-rays, surgical extraction of the impacted tooth and any affected teeth. The cystic lining must be completely removed and biopsied. The oral surgical site is closed with absorbable sutures to attain good healing.

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