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Chapter-31 Inflammation

BOOK TITLE: Manual for Dental Hygienist

Author
1. Awasthi Maj Gen PN
ISBN
9789352702282
DOI
10.5005/jp/books/14199_32
Edition
1/e
Publishing Year
2018
Pages
3
Author Affiliations
1. Armed Forces Medical College (AFMC), Pune, Maharashtra, India; Indian Army Dental Corps, Dental Council of India; Manav Rachna Dental College, Faridabad, Haryana, India, Armed Forces Medical College (AFMC), Pune, Maharashtra, India; Indian Army Dental Corps; Dental Council of India; Manav Rachna Dental College, Faridabad, Haryana, India
Chapter keywords
Inflammation, acute inflammation, chronic inflammatory lesion, chronic inflammation, granulation tissue, vascular response

Abstract

Celsus described the cardinal signs of inflammation as rubor, tumor, calor and dolor, which anyone who has suffered from a boil will recognize as redness, swelling, heat and pain. Galen added function laesa, or loss of function, the fifth cardinal sign. Stages of acute inflammation include vascular response, emigration of the white blood cells, and fluid exudates. Chronic inflammation occurs when the causative agent persists, i.e. it is not easily removed from the tissues. Microorganisms which are inadequately eliminated by the body defences cause a prolonged chronic inflammatory response. In some chronic inflammatory lesions, the repair process seems to be excessive, resulting in hyperplasia.

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