Parotidectomy: an incision (cut) is made in front of the ear and runs down below the jaw line. Part or all of the parotid gland is removed.
Superficial Parotidectomy: an incision is made in front of the ear and runs down beneath the ear lobe. The superficial (top) lobe of the parotid gland is removed.
Submandibular Gland Surgery: an incision is made just below the jaw bone and the submandibular gland removed.
https://healthpoint.co.nz/private/oral-maxillofacial-surgery/mercy-hospital-dunedin-oral-surgery/