most of people will grow their wisdom tooth after the 20s...
and most of the time, it wil grows in the sideways..
food will sometimes get stucked around it...and it will cause inflammation, resulted from bacterias..

they are commonly extracted when they affect other teeth..
extraction might cost around rm200 to rm400...a tooth..

there's another option other than sugery to pluck it out..

regular check up with the dentist, make sure clean ur teeth thoroughly..
and keep smiling