Yinjiao (DU 28) Location: At the junction of the gum and the frenulum of the upper lip. Indications: Mental disorders, pain and swelling of the gums, rhinorrhea. Method: Puncture obliquely upward 0.1-0.2 inch, or prick to cause bleeding. Regional anatomy Vasculature: The superior labial artery and vein. Innervation: The branch of the superior alveolar nerve.

Read More