The other time, i yawned a really big yawn, and i hear a loud crackin clatter..?
Answers: Sounds like you cheek popped. It should feel better contained by a week or two. But if you are really concerned or it hurts really bad later go see your doctor.
It will budge away. You hyper extended your TM "temporal mandibular joint" the joint will be sore for a while. As you age it may pop or crack but it is inherent and unless you develop a really bad immovable pooled you will have no big problems.
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