Oral anaesthesia; local anaesthesia in the oral cavity : technique and practical application in the different branches of dentistry / by Kurt Hermann Thoma.

  • Kurt Hermann Thoma
Date:
[1914], [©1914]
Catalogue details

Licence: Public Domain Mark

Credit: Oral anaesthesia; local anaesthesia in the oral cavity : technique and practical application in the different branches of dentistry / by Kurt Hermann Thoma. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    III. TOPOGRAPHY It is of importance to know the makeup of tlie The Mucous soft tissue of the mouth, and the relations of Membrane the structures we have to deal with. The mu- of the Mouth cous membrane lines the entire oral cavity. It consists of epithelium and tunica projiria. Un- derneath this and forming the deeper part is the submucosa. The submucosa consists of thick connective tissue bundles containing numerous elastic fibers, which extend into the peri- osteum, but become finer towards the tunica propria. In the gums, the submucosa is very dense, binding the mucous mem- brane down closely to the periosteum. As it passes into the mucous membrane of the cheek and lip it becomes less dense, and under the refiection of the mucous membrane the submu- cosa is a thick layer of loose connective tissue. The same is true on the palatal side. The angle formed by the alviolar and palatal process is filled in with a large amount of connective tissvie, containing fat cells and the palatal mucous glands. Over the central jjortion of the liard palate, tlie submucosa is again very thin and extremely fibrous. Tlie tunica prf)])ria is made up of a mass of dense connective tissue Itundles, and papillae are extending into the epithelium. The epithelium is the thick covering of the mucous mem- brane. The blood supply is very free, larger branches are found in the submucosa giving off capillaries, which extend into the pa- pillae of the tunica jtropria, where they freely ramify and anas- tomose. These give the nmcous membrane its reddish color. Nerves are numerous. I'rimitive nerve fibers extend from the subnuicosa into the papillae of the tunica ])ropria. The