Stack #28680
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| Initiation stage period | show 🗑
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| show | 8th wk
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| show | 9-10th wk
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| Bell Stage period | show 🗑
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| Apposition Stage period | show 🗑
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| Maturation Stage period | show 🗑
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| show | Ectoderm lining of stomodeum gives rise to oral epithelium and then to dental lamina, adjacent to deeper ectomesenchyme, which is influenced by the neural crest cells. Both tissues are separated by a basement membrane
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| Bud stage description | show 🗑
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| show | Enamel organ forms into cap, surrounding mass of dental papilla from the ectomesenchyme and surrounded by mass of dental sac also from the ectomesenchyme. Formation of the tooth germ
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| show | Differentiation of enamel organ into bell with four cell types and dental papilla into two cell types
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| show | Dental tissues secreted as matrix in successive layers
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| show | Dental tissues fully mineralize to their mature levels
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| Enamel embryological background | show 🗑
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| Enamel tissue type | show 🗑
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| show | Ameloblasts
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| show | lines of Retzius
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| show | None-lost with eruption
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| Resorptive cells of enamel | show 🗑
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| Inorganic mineral levels-enamel | show 🗑
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| Organic/water levels-enamel | show 🗑
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| Tissue formation after eruption-enamel | show 🗑
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| Enamel vascularity | show 🗑
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| Enamel innervation | show 🗑
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| Dentin embryological background | show 🗑
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| Tissue type for dentin | show 🗑
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| formative cells of dentin | show 🗑
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| show | Imbrication lines of von Ebner
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| show | Only dentinal tubules with processes
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| Resorptive cells of dentin | show 🗑
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| show | 70%
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| show | 20% organic 10% water
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| show | Possible
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| Vascularity of dentin? | show 🗑
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| show | Present
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| show | Dental papilla
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| show | Connective tissue
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| Cementum formative cells | show 🗑
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| show | Arrest and reversal lines
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| Cementum mature cells | show 🗑
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| Resorptive cells of cementum | show 🗑
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| Cementum inorganic levels | show 🗑
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| show | 23% organic 12% water
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| show | possible
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| Vascularity of cementum? | show 🗑
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| Cementum innervation? | show 🗑
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| Alveolar bone embryological background | show 🗑
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| Alveolar bone tissue type | show 🗑
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| show | osteoblasts
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| show | Arrest and reversal
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| Alveolar bone mature cells | show 🗑
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| Alveolar bone resorptive cells | show 🗑
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| Alveolar bone inorganic levels | show 🗑
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| show | 25% organic 15% water
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| show | possible
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| Vascularity of alveolar bone? | show 🗑
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| show | present
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| show | Mesenchymal tissues
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| Tissue lining stomodeum | show 🗑
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| Outer portion of ectoderm gives rise to | show 🗑
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| show | Basement membrane
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| show | Dental lamina
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| show | both arches and progresses posteriorly
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| This stage is named for an extensive proliferation/growth of dental lamina into buds penetrating into the ectomesenchyme | show 🗑
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| At the end of proliferation process involving dental lamina | show 🗑
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| show | the bed and growing ectomesenchyme
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| In bud stage each bud from dental lamina with surrounding ectomesenchyme | show 🗑
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| show | ectoderm and mesenchymal tissue
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| show | ectomesenchyme
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| development of all teeth and associated tissue is influenced by | show 🗑
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| show | Proliferation
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| In areas where teeth will not be forming | show 🗑
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| non-tooth-producing portion of the dental lamina | show 🗑
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| 3 components of tooth germ | show 🗑
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| show | Produces enamel
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| Physiological process (5 stages of growth) | show 🗑
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| Induction Stage | show 🗑
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| Proliferation Stage | show 🗑
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| Differentiation Stage | show 🗑
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| Morphogenesis Stage | show 🗑
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| show | - Hard dental tissues are fully calcified, Fully developed
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| show | - Initation Stage, Bud Stage, Cap Stage, Bell Stage, Apposition
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| show | - Midline if each arch and progresses posteriorly
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| show | Dental Lamina
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| The physiological process of proliferation occurs in which stage? | show 🗑
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| During the Bud Stage | show 🗑
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| show | Buds
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| show | 10 buds per arch
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| show | - A tooth germ and its associated supporting tissues:o Enamel organ, Dental papilla, Dental sac
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| Which stage occurs between the 9th and 10th week of prenatal development? | show 🗑
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| What physiological processes are the cap stage derived from? | show 🗑
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| show | morphogenesis
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| What occurs during the cap stage? | show 🗑
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| show | - Formation of cap shape attached to dental lamina
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| The Bud is an actual cell tooth germ in this stage | show 🗑
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| The depression in the deepest part of the tooth bud forms what and in what stage? | show 🗑
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| Within the concavity of the cap of enamel organ, the inner mass of ectomesenchyme is called? | show 🗑
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| show | DEJ
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| show | Dental Sac
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| show | Tooth Germ
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| Initiation for permanent anterior teeth is at which week? | show 🗑
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| show | - succedaneous teeth (permanents)
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| show | - Successional dental lamina
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| show | - Permanent molars (non succedaneous)
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| Tooth germ forms during which stage? | show 🗑
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| show | - The dental sac
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| Which stage occurs between the 11th and 12th week of prenatal development? | show 🗑
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| show | - proliferation, differentiation, and morphogenesis
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| The predominant physiological process that occurs in the Bell stage is? | show 🗑
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| During the Bell stage | show 🗑
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| show | - Outer enamel epithelium(OEE), Inner enamel epithelium(IEE), Stellate reticulum, Stratum intermedium
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| show | - Outer enamel epithelium (OEE)
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| Innermost tall columnar cells on the concave side, one cell layer thick | show 🗑
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| IEE cells differentiate into | show 🗑
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| Outer star-shaped cells, many layers thick that fill and form a network in the enamel organ | show 🗑
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| show | - production of enamel matrix; protection for IEE and nourishment of stratum intermedium
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| Stellate reticulum are located inbetween which two cells | show 🗑
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| Inner compressed layer of flat to cuboidal cells | show 🗑
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| Stratum intermedium is the layer between which two cells? | show 🗑
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| show | - Produce enamel matrix
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| Stratum intermedium provide nourishment for? | show 🗑
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| show | - Outer cells and Central cells
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| show | - odontoblasts (form dentin)
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| show | - Pulp tissue
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| show | - Apposition stage
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| During the apposition stage what occurs? | show 🗑
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| Maturation is reached when? | show 🗑
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| show | - Interactions between enamel organ, dental papilla and dental sac
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| This cell elongates as it differentiates into premeloblasts | show 🗑
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| These cells induce outer cells of dental papilla to differentiate into odontoblasts | show 🗑
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| These cells begin dentinogenesis or predentin | show 🗑
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| show | - The apposition of dentin matrix
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| Odontoblasts start the matrix activity before | show 🗑
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| This is found between preameloblasts and odontoblasts and disinegrates | show 🗑
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| During the apposition stage this cell is in contact with newly formed predentin | show 🗑
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| What causes preameloblasts to differentiate into ameloblasts | show 🗑
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| Amelogenesis is | show 🗑
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| show | - The DEJ
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| Disintegration of the basement membrane cases what? | show 🗑
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| This takes place after the crown is completely shaped and the tooth is starting to erupt into the oral cavity? | show 🗑
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| The OEE and the IEE combine together at the most cervical portion of enamel organ is called? | show 🗑
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| The cervical loop is responsible for? | show 🗑
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| show | - Herwig’s epithelial root shealth(HERS)
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| The function of HERS is | show 🗑
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| HERS is located between | show 🗑
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| show | - odontoblasts
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| Odontoblasts from the IEE of HERS form what? | show 🗑
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| Odontoblastic differentiation occurs due to a | show 🗑
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| What occurs when root dentin is completed? | show 🗑
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| After the disintegration of HERS its cells may become what? | show 🗑
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| Rests of Malassez is a group of cells located in? | show 🗑
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| show | - cystic
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| show | - Tooth bud of dental lamina grows into cap shape
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| Bell Stage of Odontogenesis | show 🗑
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| show | - Layered formation of hard tissue
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Created by:
oceanrescue6