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DA Chapter 8
DA Chapter 8 FINAL
| Question | Answer |
|---|---|
| The softest tooth structure is the? | Cementum |
| The vertical groove on the midline of the upper lip is called? | Philtrum |
| A tooth emerging from the gums is called? | Eruption |
| The structure of the tooth that covers the outside of the crown is called the? | Enamel |
| Name the connective tissue that is formed by the fibroblast cells and secures the tooth into the socket by a number of organized fiber groups? | Periodontal Ligaments (PDL) |
| The hardest living tissue in the body is? | Enamel |
| Primary teeth may erupt with a covering over the enamel, called? | Nasmyth's Membrane |
| What is softer than enamel but harder than cementum and bone? | Dentin |
| ________ tubules pass through the entire surface of the tooth. | Dentinal |
| The most pronounced stained contour line, which occurs due to the trauma of birth, is? | Neonatal Line |
| What is the function of the pulp? | Nourishes and supports dentin |
| The pulp is partially made from ________, cells from which connective tissue evolves. | Fibroblast |
| If the pulp is damaged due to an injury,the tissue may become inflamed, causing? | Pulpitis |
| The ________ consists of portions of the tooth structure, supporting hard and soft dental tissues, and the alveolar bone. | Periodontum |
| Name the characteristics of cementum... | Softer than dentin and enamel, Lighter than dentin, Darker than enamel, Coarser. covers the root |
| The collagen fibers that act as anchors between the alveolar bone and teeth are called? | Sharpey Fibers |
| The cells that remodel and resorb bone are called? | Osteoclasts |
| On a dental radiograph, the radiopaque line, or ________ represents the thin, compact alveolus bone lining the socket. | Lamina Dura |
| The periodontal ligament, like all connective tissue, is formed by ________ cells. | Fibroblast |
| ________ mucosa flows into the tissue of the cheeks, lips and floor of the mandible. | Alveolor |
| What is signs of healthy gums or gingiva? | Firm, Tight, Stippled, Pink |
| Free gingiva is also known as? | Marginal |
| The mucogingival junction is the line of demarcation between the _______ gingiva and ________ mucosa. | Attached, Aveolor |
| The space between the unattached gingiva and the tooth is the? | Gingival Sulcus |
| In the floor of the gingival sulcus, athe ________ attachment attaches to the enamel surface of the teeth. | Epithelial |
| In a healthy mouth, the gingival sulcus space would not exceed _____ millimeters in depth. | 1-3 |
| T/F Healthy gums have shiny slick surface. | True |
| What gives some teeth their yellow tone? | Cementum |
| What tissue gives sensory function? | Pulp |
| At the________. two cortical bone plates come together between each tooth. | Alveolar crest |
| Define Intertubular dentin... | Found between the tubules |
| Define Circumpulpal dentin... | Layer of dentin surrounding the pulp |
| Define Primary dentin... | Forms the bulk of the tooth |
| Define secondary dentin... | Forms after completion of the apical foramen |
| Define tertiary dentin... | repairs and is reactive to irritation. |