. Operative surgery. Fig. 824.—Tongue exposed throughBillroths submental incision. Fig. 825.—Langenbecks incision, floor ofmouth involved. Tubes entering pharynxthrough nose for anassthetic purposes(page 635). If the floor of the mouth were involved in addition to the tongue, Billrothmade an incision about one inch below the border of the lower lip, fromone facial artery to the other; at either end of this incision he made avertical one extending downward to a point about four fifths of an inchbelow the lower border of the inferior maxilla; at the sites of juncture ofthese vertical incisions w
. Operative surgery. Fig. 824.—Tongue exposed throughBillroths submental incision. Fig. 825.—Langenbecks incision, floor ofmouth involved. Tubes entering pharynxthrough nose for anassthetic purposes(page 635). If the floor of the mouth were involved in addition to the tongue, Billrothmade an incision about one inch below the border of the lower lip, fromone facial artery to the other; at either end of this incision he made avertical one extending downward to a point about four fifths of an inchbelow the lower border of the inferior maxilla; at the sites of juncture ofthese vertical incisions with the jaw he divided the bone and turned itdownward along with the soft parts, thereby affording ample room to reachthe diseased parts within. After extirpation of the disease, he wired the frag-ments in position and closed the wound. LangenhecJc (Fig. 825) divided the OPERATIOXS ON TDE MOUTH. 543 jaw on the side of the greatest amount of disease, drew apart the fragments,excised the tongue, floor of the mouth,
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