Table 4. Classification of Acupuncture Points According to Trigeminal Nerve Branches

Branch	Acupuncture Point (n)
1st (Ophthalmic)	Ex-HN4 (7), BL2 (4), GB14 (2), Ex-HN5 (1)
2nd (Maxillary)	ST2 (9), SI18 (2), ST3 (2), LI20 (1)
3rd (Mandibular)	Ex-HN (6), ST7 (3), ST6 (2), ST9 (1)