OCCLUDE (verb): 1 stop, close up, or obstruct.
2 Chemistry (of a solid) absorb and retain (a gas or impurity).
3 (of a tooth) come into contact with another in the opposite jaw.
to block or stop up a passage; 2. to prevent the flow of something through a passage

Examples:
- My orthodontist said I would need to wear braces for two years in order to occlude my teeth.
- My grand dad suffered a heart attack because of an occluded artery that was diminishing blood flow....