Occlusion

Occlusion may refer to:

Occlusion (dentistry), the manner in which the upper and lower teeth come together when the mouth is closed
Occlusion effect, an audio phenomenon that occurs when one closes the opening into the ear canal and the loudness of low pitched sounds increases
Occlusion miliaria, a skin condition that is accompanied by anhidrosis and increased susceptibility to heat
Occlusion culling or hidden surface determination, a 3D computer graphics process
Ambient occlusion, a shading method used in 3D computer graphics
Screen Space Ambient Occlusion (SSAO), a computer graphics rendering technique
Vascular occlusion, blockage of a blood vessel

See also