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32 Cards in this Set
- Front
- Back
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embryology
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the study of prenatal development
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histology
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the study of the structure and function of the body
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3 periods of prenatal development
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1. preimplantation: 1st week
2. embroyonic: 2nd-8th week 3. fetal period: 9th week- birth |
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Prenatal influences on dental development
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Exposure to high radiation, intake of alcohol and the vitamin aminocentesis
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Development of tooth
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Initaiation stage, bud stage, cap stage, bell stage, apposition stage, and maturation stage.
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Genetic concern on dental development
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Concern is tooth & jaw size from either or both parents
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Environmental concern on dental development
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teratogens such as infections, drugs, and exposure to radiation
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Anatomic crown
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tooth covered with enamel
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Clinical crown
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portion of tooth that is visible in the mouth
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Periodontal Ligaments
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connects the cementum covering tho root within the alveolar bone of the socket wall
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Lining mucosa
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covers the cheeks, vestibule, lips soft palate and ventral surface
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masticatory mucosa
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attached gingiva, hard palate and dorsum
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specialized mucosa
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on top of the tongue
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prenatal development
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begins at the start of pregnancy and continues until birth
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conception
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union of the male sperm and the ovum of the female
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succedaneous
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teeth are permanent with primary predecessors; examples are the anterior teeth and premolars
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periodontium
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tissues that support the teeth in the alveolar bone
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ameloblasts
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enamel-forming cells
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odontoblasts
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dentin-forming cells
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cemenoblasts
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cementum-forming cells
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osteoclast
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cells that resorb bone
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exfoliation
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the normal process of shedding primary teeth
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stratified squamos epithelium
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what oral mucosa is made up of
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masticatory mucosa
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oral mucosa that covers the hard palate, dorsum of the tongue, and the gingiva
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deposition
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laying down or adding of bone
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resorption
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process of bone loss or removal
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eruption
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process by which teeth move into functional position in the oral cavity
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dental fibers
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the way which pain in transmitted through dentin
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fibroblasts
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form the intercellular substance of the pulp
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Primary dentin
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formed before eruption, bulk of the tooth
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Secondary dentin
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formation after eruption, grows throughout life
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Teritiary dentin
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"reparative dentin", formed in response to irritation.
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