ENH 220 Lecture Notes - Lecture 17: Colonoscopy, Clostridium, Anal Canal
20 Dec 2017
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Document Summary
The gastrointestinal tract it is concerned with the: digestion & absorption of food, compromises the oral cavity & related parts of the, esophagus, stomach, small & large intestines, anus. Abnormalities of tooth development: teeth: specialized structures that develop in the tissues of the jaws, two sets. Permenant teeth (32 teeth: missing teeth or extra teeth = common abnormality, enamel forms @ specific times during embryologic period, tetracycline, given during enamel formation, causes: permeant yellow/gray-brown discoloration of the crown. Dental caries & periodontal disease: oral cavity, diverse collection of aerobic & anaerobic bacteria mixed w/ saliva, forming sticky film on teeth (dental plaque) Plaque & bacterial action = tooth decay: dental cavity, loss of tooth structure from bacterial action, gingivitis: Inflammation of the gums due to masses of bacteria and debris accumulating around base of teeth: periodontal disease. Inflammation extends to tissues that support teeth & forms small pockets of infection btw gums & teeth.
