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DNH 111 Test 2

Chapters 8, 9, 10, 11,12

QuestionAnswer
the periodontium consists of tissues that support the teeth and is divided into ... gingival unit attachment unit
The Gingival unit consists of free gingiva attached gingiva alveolar mucosa
The attachment unit consists of cementum alveolar process periodontal ligament
Masticatory mucosa is thick epithelial covering and keratinized cells , underlying mucos is composed to dense collegin fibers
gingival sulcus space between the free gingiva and tooth
characteristics of free gingiva masticatory mucosa slight mobility eptihelium slight keratination no rete peg formation smooth light pink collagenous fibers
characteristics of attached gingiva masticatory mucosa tightly bound thick epithelia layer keratinized rete peg formation light red to dark pink collagenous fibers
characteristics of alveolar mucosa lining mucosa movable and elastic thinner epithelial layer nonkeratinized no ret peg formation smooth pink-red collagenous fibers with some muscle fibers
lamina propria
gingivitis inflammation involving the gingival tissues only
periodontal disease infections of the structures around the teeth
Periodontal ligament fiber names apical, oblique, horizontal, alveolar crest, free gingival, transeptal
The periodontium include what structures gingiva, periodontal ligament fibers, alveolar bone, root cementum
functions of health gingiva support, esthetics, protection, phonetics
Black triangle disease open embrasures
lamina propria an underlying connective tissue layer
sharpeys fibers collagen fibers embedded in the cementum of alveolar bone
Where does the blood supply of ginvgival tissue come from? supraperiosteal vessles
alveolar bone thin covering of bone that surrounds the teeth
function of attachment apparatus support, nutritive, formative, sensory
Two kinds of cementum cellular acellular
What type of cementum is free of embedded cementoblases and is clear with out structure acellular
What type of cementum has embedded ceementoblasts cellular
where is acellular cementum found covering the the cervical third of the root and sometimes extends over most of the root, not the apical portion.
were is cellular cementum found? the apical portion of the root, sometimes forming OVER the acellular cementum
How does cementum grow appositon (addition of new layers)
The socket in which the tooth rests is called? alveolus
lamina dura atchement lining of bone around the tooth
bundle bone numerous layers of bone are added to the socket wall, forms the immediate attachment of the PDL with sharpys fibers
The bone between teeth with multiple roots is called interradicular bone
alveolar crest group fibers extending from the cervical area of the tooth to the alveolar crest
horizontal group fubers running horizontally from the tooth to the alveolar bone
oblique group fibers running obliquely from cementum to the bone
apical group fibers radiating apically from the tooth to the bone
interradicular group periodontal fibers between roots of multirooted teeth
The main portion of the PDL is composed of bundles of white collagenous connective tissue fibers
Created by: kbowman12
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