Dentin — is the hard tissue of the tooth surrounding the central core of nerves and blood vessels (pulp). * * * SYN: dentine. [L. dens, tooth] hereditary opalescent d. 1. SYN: dentinogenesis imperfecta. 2. SYN: opalescent d.. hypersensitive d. exposed d … Medical dictionary
calcified dentin — transparent d … Medical dictionary
sclerotic dentin — transparent d … Medical dictionary
Mineralized tissues — Mineralized tissues: sea sponge, sea shells, conch, dentin, radiolarian, antler, bone Mineralized tissues are biological tissues that incorporate minerals into soft matrices. Typically these tissues form a protective shield or structural… … Wikipedia
dentinal sclerosis — regressive alteration in tooth substance with calcification of the dentinal tubules, usually caused by trauma, abrasion, or normal aging processes, and producing translucent zones (transparent dentin) … Medical dictionary
Acid erosion — Classification and external resources ICD 10 K03.2 MeSH D014077 Acid erosion, also known as dental erosion, is the irreversible loss of tooth structure due to chemical dissolution by acid … Wikipedia
Erosion (dental) — Erosion, otherwise known as acid erosion, is the loss of tooth structure due to chemical dissolution by acids not of bacterial origin. Dental erosion is the most common chronic disease of children ages 5 ndash;17. [Citation last = U.S. Department … Wikipedia
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
Attenuation — This article is about attenuation in physics. For other uses, see Attenuation (disambiguation). In physics, attenuation (in some contexts also called extinction) is the gradual loss in intensity of any kind of flux through a medium. For instance … Wikipedia
Mohs scale of mineral hardness — The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and… … Wikipedia