Chapters 8, 9, 10, 11,12
Help!
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| the periodontium consists of tissues that support the teeth and is divided into ... | gingival unit
attachment unit
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| The Gingival unit consists of | free gingiva
attached gingiva
alveolar mucosa
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| The attachment unit consists of | cementum
alveolar process
periodontal ligament
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| Masticatory mucosa is | thick epithelial covering and keratinized cells , underlying mucos is composed to dense collegin fibers
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| gingival sulcus | space between the free gingiva and tooth
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| characteristics of free gingiva | masticatory mucosa
slight mobility
eptihelium
slight keratination
no rete peg formation
smooth
light pink
collagenous fibers
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| characteristics of attached gingiva | masticatory mucosa
tightly bound
thick epithelia layer
keratinized
rete peg formation
light red to dark pink
collagenous fibers
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| 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
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| lamina propria |
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| gingivitis | inflammation involving the gingival tissues only
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| periodontal disease | infections of the structures around the teeth
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| Periodontal ligament fiber names | apical, oblique, horizontal, alveolar crest, free gingival, transeptal
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| The periodontium include what structures | gingiva, periodontal ligament fibers, alveolar bone, root cementum
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| functions of health gingiva | support, esthetics, protection, phonetics
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| Black triangle disease | open embrasures
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| lamina propria | an underlying connective tissue layer
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| sharpeys fibers | collagen fibers embedded in the cementum of alveolar bone
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| Where does the blood supply of ginvgival tissue come from? | supraperiosteal vessles
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| alveolar bone | thin covering of bone that surrounds the teeth
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| function of attachment apparatus | support, nutritive, formative, sensory
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| Two kinds of cementum | cellular
acellular
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| What type of cementum is free of embedded cementoblases and is clear with out structure | acellular
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| What type of cementum has embedded ceementoblasts | cellular
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| 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.
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| were is cellular cementum found? | the apical portion of the root, sometimes forming OVER the acellular cementum
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| How does cementum grow | appositon (addition of new layers)
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| The socket in which the tooth rests is called? | alveolus
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| lamina dura | atchement lining of bone around the tooth
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| bundle bone | numerous layers of bone are added to the socket wall, forms the immediate attachment of the PDL with sharpys fibers
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| The bone between teeth with multiple roots is called | interradicular bone
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| alveolar crest group | fibers extending from the cervical area of the tooth to the alveolar crest
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| horizontal group | fubers running horizontally from the tooth to the alveolar bone
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| oblique group | fibers running obliquely from cementum to the bone
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| apical group | fibers radiating apically from the tooth to the bone
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| interradicular group | periodontal fibers between roots of multirooted teeth
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| The main portion of the PDL is composed of | bundles of white collagenous connective tissue fibers
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