Table 1.

Differential diagnosis of trigeminal neuralgia

Dental causes	Dental caries Pulpitis Dental sensitivity Periodontal disorders Pericoronitis Cracked tooth Alveolar osteitis
Sinus causes	Maxillary sinusitis
Salivary gland causes	Salivary stone
Temporomandibular joint causes	Temporomandibular disorders
Neuropathic pain	Glossopharyngeal neuralgia Nervus intermedius neuralgia Post-herpetic neuralgia Post-traumatic trigeminal neuropathy Painful trigeminal neuropathies Atypical odontalgia Burning mouth syndrome
Trigeminal autonomic cephalalgias	SUNCT/SUNA Paroxysmal hemicrania Cluster headache Hemicrania continua
Other	Persistent idiopathic facial pain Primary stabbing headache

SUNA, short-lasting unilateral neuralgiform headache attacks with cranial autonomic symptoms; SUNCT, short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing.