Impaction

{{Wiktionary}}

Impaction may refer to:

• Impaction (animals), blockage of the digestive tract of animals
• Fecal impaction, a solid, immobile bulk of feces or indigestible matter that can develop in the rectum
• Dental impaction, the failure of a tooth fully to erupt into the mouth because of obstruction from another tooth
• Aerosol impaction