Application of botulinum toxin in maxillofacial field: Part II. Wrinkle, intraoral ulcer, and cranio-maxillofacial pain

Maxillofacial Plastic and Reconstructive Surgery

Table 1 Eight practical classifications of headache occurring at cranio-maxillofacial area

Differential diagnosis groups	Cause of pain
Extracranial disorder	Dental and craniofacial organ
Intracranial disorder	Structures associated with the brain
Muscular disorder	Muscle, tendon, connective tissue
Joint disorder	Bone, ligament, joint
Neuralgic disorder	Peripheral nervous system
Causalgia disorder	Autonomous nervous system
Vascular disorder	Vascular system
Psychiatric disorder	Mental disorder