Surgical therapeutics and operative technique . ioma of Fr^num Lingua which has invaded the Gum. Resection of alveolar border of lower jaw. Section of the bone on the left side with saw with movable back. 120 SURGICAL THERAPEUTICS AND OPERATIVE TECHNIQUE Efnthelioma of Base of Tongue and of the Latero-Lingual Region. Epithelioma of the base of the tongue should be operated on at the firststage of its growth—that is to say, before it has attained a large size-—and, ifat all possible, before any glandular infection has taken place. Diagnosisis easy, and is readily confirmed by sight and touch. T
Surgical therapeutics and operative technique . ioma of Fr^num Lingua which has invaded the Gum. Resection of alveolar border of lower jaw. Section of the bone on the left side with saw with movable back. 120 SURGICAL THERAPEUTICS AND OPERATIVE TECHNIQUE Efnthelioma of Base of Tongue and of the Latero-Lingual Region. Epithelioma of the base of the tongue should be operated on at the firststage of its growth—that is to say, before it has attained a large size-—and, ifat all possible, before any glandular infection has taken place. Diagnosisis easy, and is readily confirmed by sight and touch. This is also the casewith tumours of the tonsillar region. These tumours should be destroyed by thermic electro-coagulation. Theintervention is effected through the buccal route. OPERATIONS ON THE LINGUAL NERVE AND ON THENERVE TO THE BUCCINATOR MUSCLE. Resections of the lingual and buccinator nerves are carried out throughthe mouth. Those nerves pass at a very short distance from the neck of thewisdom tooth-—one inside, the other Fig. 230.—Dissection of Left Glosso-Gingival Furrow. The lingual nerve is seen at the bottom, between the tonsil and last molar. On theouter side is the buccinator nerve. Opposite the last molar tooth the lingualnerve crosses the sublingual gland, and then crosses Whartons duct. OPERATIONS ON THE HEAD 121 Resection of the Lingual Nerve. Operation—First Stage.—Incision of two centimetres long in the glosso-gingival furrow, in contact with the alveolar border, and in the plane of thelast molar tooth. Second Stage.—Decollation of the soft parts with a raspatory to a depthof 8 or 10 millimetres. Third Stage.—^The lingual nerve, which is a large trunk, now appears inthe wound. It is raised with a curved forceps, drawn out of the wound, anddivided, or resected, through a certain part of its length. When the posteriorpole of the sublingual gland is greatly developed, it must be drawn inwardsin order to expose the nerve. Resection of t
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