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Chapter-03 Anatomy of Jaws

BOOK TITLE: Manual for Dental Hygienist

Author
1. Awasthi Maj Gen PN
ISBN
9789352702282
DOI
10.5005/jp/books/14199_4
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
Mandible, maxilla, mastication, jaw, temporomandibular joint, teeth, ramus

Abstract

Anatomy of jaws is discussed briefly in this chapter. The human body has two jaws—an upper and a lower jaw. They are called maxilla and mandible. Mandible is the largest and strongest bone of the face. Maxilla is the spongy bone which is well adapted to sustain the stresses of mastication. The jaws form the oral cavity which is at the entrance of the digestive canal. The inside of the mouth is covered by mucous membrane, and forms the protective covering. The masticatory mechanism is formed by the teeth of upper and lower jaws, temporomandibular joints, the muscles of mastication, and the muscles of cheeks, lips and tongue.

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