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ORAL AND GASTROINTESTINAL DISEASES
CHAPTER 22
Copyright © 2012 John Wiley & Sons, Inc. All rights reserved.
Anatomy Review
Mouth
Stomach
Hepatobiliary tree
Small Intestine
Large Intestine
© 2012 John Wiley & Sons, Inc. All rights reserved.
Bacterial Oral Cavity Disease
Dental Plaque
– Accumulations of dextrans (biofilm)
– May calcify Dental Caries
– Streptococcus mutans
– Lactic acid erodes dental enamel
Periodontal disease
– Tooth support structures
– Gingivitis – gum inflammation
– Periodontitis – root of tooth also affected
© 2012 John Wiley & Sons, Inc. All rights reserved.
Viral / Fungal Oral Cavity Disease
Mumps – Paramyxovirus
– URT and salivary glands are affected
– Resurgence recently due to complacency and failure to vaccinate
– Complications – male sterility, meningitis, eye, ear infections, attack on other exocrine/ endocrine glands
Thrush
© 2012 John Wiley & Sons, Inc. All rights reserved.
Bacterial Gastrointestinal Intoxications
Staphylococcal Enterotoxicosis Staphylococcus aureus
– High starch or cream content, high protein foods
Foods subjected to temperature abuse
– Cooked foods need to be covered/refrigerated to avoid bacterial growth and toxin production
Toxin can survive 30 minutes of boiling
Low mortality
Diarrhea symptoms 1-8 hr after food consumption
© 2012 John Wiley & Sons, Inc. All rights reserved.
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