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Chapter-06 Blood and Nerve Supply of Teeth and Associated Structures

BOOK TITLE: Manual for Dental Hygienist

Author
1. Awasthi Maj Gen PN
ISBN
9789352702282
DOI
10.5005/jp/books/14199_7
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
External carotid artery, blood supply, nerve supply, maxillary teeth, mandibular teeth, gingiva, mucosa, cranial nerve, somatic nerve, visceral nerve

Abstract

The blood supply of the face, oral cavity and pharynx is extremely abundant. The blood supply of the face and its various organs is derived from external carotid artery, and the blood eventually finds its way to the internal jugular vein. The veins more or less accompany the arteries and carry the same names. The nerve concerned with the structures of the face and oral tissues is the peripheral nerve, which is of cranial origin. They are classified as somatic or visceral. The former are concerned with body adjustment to environment which is under the control of the will, whereas the latter have to do with body maintenance. Somatic nerve has both sensory (afferent) and motor (efferent) neurons, and some cranial nerves also have ganglia in which nerve cells are located outside the brain. Oral cavity, teeth, jaws, muscles and face is primarily supplied by two cranial nerves, trigeminal nerve (V) and facial nerve (VII). The topics covered in the chapter describe blood supply of the palate, nerve supply of the palate, nerve supply of the maxillary teeth, nerve supply of the mandibular teeth, nerve supply to gingiva and mucosa, and venous return from the teeth and the jaws.

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