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Chapter-41 Dental Caries

BOOK TITLE: Manual for Dental Hygienist

Author
1. Awasthi Maj Gen PN
ISBN
9789352702282
DOI
10.5005/jp/books/14199_42
Edition
1/e
Publishing Year
2018
Pages
5
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
Dental caries, tooth decay, oral cavity, oral hygiene, saliva, proteolytic theory, proteolysis-chelation theory, acidogenic theory, cariogenesis

Abstract

Dental caries is a disease of hard dental tissue, caused by specific types of bacteria. These bacteria produce acid which destroys the tooth’s enamel and the layer beneath referred as the dentin. Dental caries, in layman terms, is called as tooth decay or cavity. Three principal theories of cariogenesis have been suggested, namely proteolytic theory, proteolysis-chelation theory, and acidogenic theory. The sugar of diet is converted into acids by the action of the plaque bacteria and the acids subsequently destroy the calcified materials of the tooth. Various bacterial strains are capable of converting sugar into acids. Refined pure carbohydrates are more caries producing than complex ones. Secondary etiological factors for caries are form, position and structure of teeth, poor oral hygiene, saliva, diet, and pregnancy. The margins of best restoration are liable to secondary caries. Caries attack the enamel, cementum and dentin gradually eating into and destroying the tooth. Control methods for prevention of dental caries are regulation of the consumption of refined carbohydrate, regular oral hygiene, regular dental care including prophylactic fillings, and fluoridation of domestic water supplies.

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