The correct term for cheek meatus should be buccal mucosa, upper wisdom teeth grow crooked touching the buccal mucosa, generally speaking, need to be extracted, not extracted may lead to cheek biting, occlusal trauma, tooth loosening, etc., as follows. 1. Cheek biting: Cheek biting may occur when the buccal side of the upper wisdom tooth is tilted and touches the buccal mucosa, and traumatic ulceration of the buccal mucosa occurs, causing scarring in the long term, and the mucosa becomes rough and tough, which affects chewing and speech. 2. Occlusal trauma: buccal tilt of upper wisdom teeth may form early contact or joint interference, which will lead to wear and tear of teeth in the long term and cause temporomandibular joint disorders. 3. Loose teeth: severe buccal tilting of maxillary wisdom teeth can lead to buccal bone resorption, and the wisdom teeth and neighboring teeth may become loose and fall out. If the above symptoms occur, it is recommended to go to the hospital in time.