56665227-Lab-2

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    Slide lab 2Safana & seba

    Mohamed Tawalbe

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    **This is a pic of the lower jaw.

    **This one is for the upper jaw.

    IEE

    Dental papilla in

    he cap stage

    SR

    Dental lamina

    Primary

    epithelial band

    Vestibular lamin

    EEE

    Dental follicle

    Ectomesinchymal

    tissue

    Primary

    epithelial band

    Enamel organ

    1

    2

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    Dense

    ectomesinchymal

    issue

    Early tooth formation

    Vestibular

    lamina

    Dental lam

    Swallowin

    bud sta e

    Dense

    ectomesinch

    tissue

    palate

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    This is the late bell

    Stage.

    **the internal enamel epithelium is the only region without hard tissue formation

    Enamel organ

    Hard tissue

    formation

    (enamel) Hard tissue

    formation

    (dentine)

    Dental papilla Dental follicle

    Internal enamel

    epithelium

    External enam

    epithelium

    1

    2

    1

    Cusp tip

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    This is a magnified section of the IEE from the previous picture.

    **there is a basement membrane between IEE and the preodontoblasts.

    Stellate

    reticulum

    Stratum

    intermedium

    IEE

    preodontoblastDental papilla

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