Clinical diagnosis
Slight oozing normal for up to 24 hours post-extraction 
Evaluate for<unk>  disorder if<unk>  not controlled with simple pressure (post-extraction<unk>  often initial manifestation of coagulopathy) 
CBC
PT/INR
CBC
PT/INR
Bleeding dental socket
Dental fracture
Dental subluxation
Dental abscess
Dental avulsion
Buccal space infections
Dark raised skin lesions
Acute alveolar osteitis 