Sun Flashcards
NCC to maxillary and mandibular
Dlx
NCC to bronchial arches
Hox
Ectodermal epithelium signaling pathways
BMP
FGF
Wnt
SHH
Mesenchyme transcription factors
Msx Dlx Pax Gli Runx Barx
Steps in crown development
- Initiation
- Morphogenesis
- Differentiation & mineralization
Root dentin formation chemicals involved
Lamini-5
TGF-Beta
Nfic
Primary initial mineralization
15-19 wks IU
Primary completed mineralization
2-11 months PN
Permanent initial mineralization
Birth-9 yrs
Permanent completed mineralization
5-14 yrs
Fate of HERS
Become epithelial rest of Malassez Apoptosis Incorporate into cementum front Epithelial mesenchymal transformation Mitigation to PDL Differentiate to cementoblasts
Gene mutations known to be related to missing teeth
Msx1 Pax9 Axin2 EDA p63
Gene mutations for supernumerary teeth
Runx2
Apc
Msx1
Transcription factor
Pax9
Transcription factor
Axin2
Signaling molecule
Wnt pathway
EDA
Signaling molecule
TNF pathway
p63
Transcription factor
Critical for BMP, FGF, SHH
Runx2
Transcription factor
Apc
Signaling molecule
Wnt pathway