Information about Dental Lamina
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The dental lamina is a band of epithelial tissue seen in histologic sections of a developing tooth. The dental lamina is first evidence of tooth development and begins at the sixth week in utero or three weeks after the rupture of the buccopharyngeal membrane. It is formed when cells of the oral ectoderm proliferate faster than cells of other areas. Best described as an in-growth of ectomesenchyme tissue, the dental lamina is frequently distinguished from the vestibular lamina, which develops concurrently. When it is present, the dental lamina connects the developing tooth bud to the epithelium of the oral cavity. Eventually, the dental lamina disintegrates into small clusters of epithelium and is resorbed. In situations when the clusters are not resorbed, eruption cysts are formed over the developing tooth and delay its eruption into the oral cavity.
References
- Cate, A.R. Ten. Oral Histology: development, structure, and function. 5th ed. 1998. ISBN 0-8151-2952-1.
- Brand, Richard Isselhard, Donald. Anatomy of Orofacial Structures (Anatomy of Orofacial Structures. Mosby. 7 edition (March 4, 2003). ISBN-10: 0323019544.
- Bhaskar, S.N. Orban's Oral Histology and Embryology. 11th ed. 1991. ISBN 81-8147-012-5.
epithelium is a tissue composed of a layer of cells. Epithelium lines both the outside (skin) and the inside cavities and lumen of bodies. The outermost layer of our skin is composed of dead stratified squamous, keratinized epithelial cells.
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Biological tissue is a collection of interconnected cells that perform a similar function within an organism.
The study of tissue is known as histology, or, in connection with disease, histopathology.
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The study of tissue is known as histology, or, in connection with disease, histopathology.
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Histology (from the Greek ἱστός) is the study of tissue sectioned as a thin slice, using a microtome. It can be described as microscopic anatomy.
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Tooth development is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth. Although many diverse species have teeth, non-human tooth development is largely the same as in humans.
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Mesenchyme (also known as embryonic connective tissue) is the mass of tissue that develops mainly from the mesoderm (the middle layer of the trilaminar germ disc) of an embryo. Viscous in consistency, mesenchyme contains collagen bundles and fibroblasts.
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The vestibular lamina is a proliferation of cells into ectomesenchyme tissue. Responsible for the formation of the vestibule (the space bordered by the junction of the gingiva and the tissue of the inner cheek, the vestibular lamina is usually contrasted with the dental lamina,
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The human mouth (or oral cavity) is covered by an upper and lower lip.
The mouth starts digestion by physically chewing the food and breaking it down with saliva.
The average male mouth holds a volume of about 100mL.
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The mouth starts digestion by physically chewing the food and breaking it down with saliva.
The average male mouth holds a volume of about 100mL.
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An eruption cyst, or eruption hematoma, is a bluish swelling that occurs on the soft tissue over an erupting tooth. It is usually found in children.
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References
- Kahn, Michael A. Basic Oral and Maxillofacial Pathology. Volume 1. 2001.
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