56665227-Lab-2
-
Upload
mmd-tawalbe -
Category
Documents
-
view
214 -
download
0
Transcript of 56665227-Lab-2
-
8/2/2019 56665227-Lab-2
1/5
Slide lab 2Safana & seba
Mohamed Tawalbe
-
8/2/2019 56665227-Lab-2
2/5
**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
-
8/2/2019 56665227-Lab-2
3/5
Dense
ectomesinchymal
issue
Early tooth formation
Vestibular
lamina
Dental lam
Swallowin
bud sta e
Dense
ectomesinch
tissue
palate
-
8/2/2019 56665227-Lab-2
4/5
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
-
8/2/2019 56665227-Lab-2
5/5
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
2