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L8 Oral Histology and Embryology | HSC - Health Professions, Quizzes of Health sciences

Dentin Class: HSC - Health Professions; Subject: Health Sciences; University: Brevard Community College; Term: Forever 1989;

Typology: Quizzes

2009/2010

Uploaded on 06/15/2010

lmcclasky
lmcclasky 🇺🇸

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Download L8 Oral Histology and Embryology | HSC - Health Professions and more Quizzes Health sciences in PDF only on Docsity! TERM 1 _ is hydroxyapatite crystals DEFINITION 1 70% TERM 2 _ is organic collagen fibers and small amounts of other proteins DEFINITION 2 20% TERM 3 _ is water DEFINITION 3 10% TERM 4 dentin is harder than DEFINITION 4 bone or cementum TERM 5 dentin tubules as well as the organic and water content, make dentin _ DEFINITION 5 resilient TERM 6 preameloblasts induce the cells of the dental papilla to differentiate into DEFINITION 6 odontoblasts TERM 7 odontoblasts secrete DEFINITION 7 a collagen matrix of fibers (predentin) TERM 8 deposition of dentin continues incrementally until DEFINITION 8 the pulp chamber is formed TERM 9 three types of dentin DEFINITION 9 primary, scondary, tertiary TERM 10 primary dentin has two types DEFINITION 10 mantle and circumpulpal TERM 21 tertiary dentin forms from DEFINITION 21 stimulation of dentinal tubules and the enclosed odontoblastic process TERM 22 rapid tertiary dentin formation DEFINITION 22 may have cell inclusions & resemble bonereferred to as osteodentin* TERM 23 slow tertiary dentin formation DEFINITION 23 resembles primary or secondary dentin TERM 24 response dentin forms DEFINITION 24 from severe injury requiring new odontoblasts TERM 25 when original odontoblasts form tertiary dentin DEFINITION 25 reparative dentin TERM 26 hesitation in deposition of matrix results in DEFINITION 26 incremental lines, also called imbrication lines or lines of von Ebner TERM 27 A prominent neonatal line is also formed DEFINITION 27 at the time of birth TERM 28 odontoblastic cell processes are DEFINITION 28 extensions of the cell body located at the pulp TERM 29 _ _ occur when the odontoblastic process is destroyed by attrition or caries or other caustic agents DEFINITION 29 Dead tracts TERM 30 Odontoblastic processes extend from the DEJ & DCJ to the pulp in an S curve-these processes are enclosed in the _ _ DEFINITION 30 primary tubules TERM 31 lateral processes that branch off of the S curves of odontoblastic processes DEFINITION 31 are also called canaliculi, secondary branches, or microtubules & are enclosed in the secondary tubules TERM 32 The primary & secondary processes provide DEFINITION 32 vitality to the dentin TERM 33 dentin that immediately surrounds the dentinal tubule (a hypermineralized collar) DEFINITION 33 Peritubular dentin TERM 34 Peritubular dentin is more appropriately called DEFINITION 34 intratubular dentin TERM 35 Intratubular dentin is not found in DEFINITION 35 predentin (uncalcified) & the interglobular dentin (hypomineralized)